diff --git a/algorithms-miscellaneous-4/src/main/java/com/baeldung/algorithms/smallestinteger/SmallestMissingPositiveInteger.java b/algorithms-miscellaneous-4/src/main/java/com/baeldung/algorithms/smallestinteger/SmallestMissingPositiveInteger.java new file mode 100644 index 0000000000..b08eea2a66 --- /dev/null +++ b/algorithms-miscellaneous-4/src/main/java/com/baeldung/algorithms/smallestinteger/SmallestMissingPositiveInteger.java @@ -0,0 +1,37 @@ +package com.baeldung.algorithms.smallestinteger; + +import java.util.Arrays; + +public class SmallestMissingPositiveInteger { + public static int searchInSortedArray(int[] input) { + for (int i = 0; i < input.length; i++) { + if (i != input[i]) { + return i; + } + } + + return input.length; + } + + public static int searchInUnsortedArraySortingFirst(int[] input) { + Arrays.sort(input); + return searchInSortedArray(input); + } + + public static int searchInUnsortedArrayBooleanArray(int[] input) { + boolean[] flags = new boolean[input.length]; + for (int number : input) { + if (number < flags.length) { + flags[number] = true; + } + } + + for (int i = 0; i < flags.length; i++) { + if (!flags[i]) { + return i; + } + } + + return flags.length; + } +} diff --git a/algorithms-miscellaneous-4/src/test/java/com/baeldung/algorithms/smallestinteger/SmallestMissingPositiveIntegerUnitTest.java b/algorithms-miscellaneous-4/src/test/java/com/baeldung/algorithms/smallestinteger/SmallestMissingPositiveIntegerUnitTest.java new file mode 100644 index 0000000000..8bb7151b41 --- /dev/null +++ b/algorithms-miscellaneous-4/src/test/java/com/baeldung/algorithms/smallestinteger/SmallestMissingPositiveIntegerUnitTest.java @@ -0,0 +1,88 @@ +package com.baeldung.algorithms.smallestinteger; + +import org.junit.jupiter.api.Test; + +import static org.assertj.core.api.Assertions.assertThat; + +class SmallestMissingPositiveIntegerUnitTest { + @Test + void givenArrayWithThreeMissing_whenSearchInSortedArray_thenThree() { + int[] input = new int[] {0, 1, 2, 4, 5}; + + int result = SmallestMissingPositiveInteger.searchInSortedArray(input); + + assertThat(result).isEqualTo(3); + } + + @Test + void givenArrayWithOneAndThreeMissing_whenSearchInSortedArray_thenOne() { + int[] input = new int[] {0, 2, 4, 5}; + + int result = SmallestMissingPositiveInteger.searchInSortedArray(input); + + assertThat(result).isEqualTo(1); + } + + @Test + void givenArrayWithoutMissingInteger_whenSearchInSortedArray_thenArrayLength() { + int[] input = new int[] {0, 1, 2, 3, 4, 5}; + + int result = SmallestMissingPositiveInteger.searchInSortedArray(input); + + assertThat(result).isEqualTo(input.length); + } + + @Test + void givenArrayWithThreeMissing_whenSearchInUnsortedArraySortingFirst_thenThree() { + int[] input = new int[] {1, 4, 0, 5, 2}; + + int result = SmallestMissingPositiveInteger.searchInUnsortedArraySortingFirst(input); + + assertThat(result).isEqualTo(3); + } + + @Test + void givenArrayWithOneAndThreeMissing_whenSearchInUnsortedArraySortingFirst_thenOne() { + int[] input = new int[] {4, 2, 0, 5}; + + int result = SmallestMissingPositiveInteger.searchInUnsortedArraySortingFirst(input); + + assertThat(result).isEqualTo(1); + } + + @Test + void givenArrayWithoutMissingInteger_whenSearchInUnsortedArraySortingFirst_thenArrayLength() { + int[] input = new int[] {4, 5, 1, 3, 0, 2}; + + int result = SmallestMissingPositiveInteger.searchInUnsortedArraySortingFirst(input); + + assertThat(result).isEqualTo(input.length); + } + + @Test + void givenArrayWithThreeMissing_whenSearchInUnsortedArrayBooleanArray_thenThree() { + int[] input = new int[] {1, 4, 0, 5, 2}; + + int result = SmallestMissingPositiveInteger.searchInUnsortedArrayBooleanArray(input); + + assertThat(result).isEqualTo(3); + } + + @Test + void givenArrayWithOneAndThreeMissing_whenSearchInUnsortedArrayBooleanArray_thenOne() { + int[] input = new int[] {4, 2, 0, 5}; + + int result = SmallestMissingPositiveInteger.searchInUnsortedArrayBooleanArray(input); + + assertThat(result).isEqualTo(1); + } + + @Test + void givenArrayWithoutMissingInteger_whenSearchInUnsortedArrayBooleanArray_thenArrayLength() { + int[] input = new int[] {4, 5, 1, 3, 0, 2}; + + int result = SmallestMissingPositiveInteger.searchInUnsortedArrayBooleanArray(input); + + assertThat(result).isEqualTo(input.length); + } +} \ No newline at end of file diff --git a/algorithms-miscellaneous-5/src/main/java/com/baeldung/algorithms/binarygap/BinaryGap.java b/algorithms-miscellaneous-5/src/main/java/com/baeldung/algorithms/binarygap/BinaryGap.java new file mode 100644 index 0000000000..e31e9870a0 --- /dev/null +++ b/algorithms-miscellaneous-5/src/main/java/com/baeldung/algorithms/binarygap/BinaryGap.java @@ -0,0 +1,17 @@ +package com.baeldung.algorithms.binarygap; + +public class BinaryGap { + static int calculateBinaryGap(int n) { + return calculateBinaryGap(n >>> Integer.numberOfTrailingZeros(n), 0, 0); + } + + static int calculateBinaryGap(int n, int current, int maximum) { + if (n == 0) { + return maximum; + } else if ((n & 1) == 0) { + return calculateBinaryGap(n >>> 1, current + 1, maximum); + } else { + return calculateBinaryGap(n >>> 1, 0, Math.max(maximum, current)); + } + } +} diff --git a/algorithms-miscellaneous-5/src/test/java/com/baeldung/algorithms/binarygap/BinaryGapUnitTest.java b/algorithms-miscellaneous-5/src/test/java/com/baeldung/algorithms/binarygap/BinaryGapUnitTest.java new file mode 100644 index 0000000000..304d36e2bb --- /dev/null +++ b/algorithms-miscellaneous-5/src/test/java/com/baeldung/algorithms/binarygap/BinaryGapUnitTest.java @@ -0,0 +1,34 @@ +package com.baeldung.algorithms.binarygap; + +import static com.baeldung.algorithms.binarygap.BinaryGap.calculateBinaryGap; +import static org.junit.jupiter.api.Assertions.assertEquals; + +import org.junit.jupiter.api.Test; + +public class BinaryGapUnitTest { + + @Test public void givenNoOccurrenceOfBoundedZeros_whenCalculateBinaryGap_thenOutputCorrectResult() { + + int result = calculateBinaryGap(63); + assertEquals(0, result); + } + + @Test public void givenTrailingZeros_whenCalculateBinaryGap_thenOutputCorrectResult() { + + int result = calculateBinaryGap(40); + assertEquals(1, result); + } + + @Test public void givenSingleOccurrenceOfBoundedZeros_whenCalculateBinaryGap_thenOutputCorrectResult() { + + int result = calculateBinaryGap(9); + assertEquals(2, result); + } + + @Test public void givenMultipleOccurrenceOfBoundedZeros_whenCalculateBinaryGap_thenOutputCorrectResult() { + + int result = calculateBinaryGap(145); + assertEquals(3, result); + } + +} diff --git a/core-java-modules/README.md b/core-java-modules/README.md index 55dacca916..fa77846b45 100644 --- a/core-java-modules/README.md +++ b/core-java-modules/README.md @@ -5,6 +5,5 @@ This module contains modules about core Java ## Relevant articles: - [Multi-Module Maven Application with Java Modules](https://www.baeldung.com/maven-multi-module-project-java-jpms) -- [Guide to Java FileChannel](https://www.baeldung.com/java-filechannel) - [Understanding the NumberFormatException in Java](https://www.baeldung.com/java-number-format-exception) - [Will an Error Be Caught by Catch Block in Java?](https://www.baeldung.com/java-error-catch) diff --git a/core-java-modules/core-java-9-improvements/README.md b/core-java-modules/core-java-9-improvements/README.md new file mode 100644 index 0000000000..b0baccba7f --- /dev/null +++ b/core-java-modules/core-java-9-improvements/README.md @@ -0,0 +1,17 @@ +## Core Java 9 + +This module contains articles about the improvements to core Java features introduced with Java 9. + +### Relevant Articles: + +- [New Stream Collectors in Java 9](http://www.baeldung.com/java9-stream-collectors) +- [Java 9 Optional API Additions](https://www.baeldung.com/java-9-optional) +- [Java 9 Convenience Factory Methods for Collections](https://www.baeldung.com/java-9-collections-factory-methods) +- [Java 9 Stream API Improvements](https://www.baeldung.com/java-9-stream-api) +- [Java 9 java.util.Objects Additions](https://www.baeldung.com/java-9-objects-new) +- [Java 9 CompletableFuture API Improvements](https://www.baeldung.com/java-9-completablefuture) + +#### Relevant articles not in this module: + +- [Java 9 Process API Improvements](https://www.baeldung.com/java-9-process-api) (see the [core-java-os](/core-java-os) module) + diff --git a/core-java-modules/core-java-9-improvements/pom.xml b/core-java-modules/core-java-9-improvements/pom.xml new file mode 100644 index 0000000000..aee289c79f --- /dev/null +++ b/core-java-modules/core-java-9-improvements/pom.xml @@ -0,0 +1,73 @@ + + 4.0.0 + core-java-9 + 0.2-SNAPSHOT + core-java-9 + + + com.baeldung + parent-modules + 1.0.0-SNAPSHOT + ../../ + + + + + com.jayway.awaitility + awaitility + ${awaitility.version} + test + + + org.assertj + assertj-core + ${assertj.version} + test + + + com.google.guava + guava + ${guava.version} + + + org.junit.platform + junit-platform-runner + ${junit.platform.version} + test + + + + + core-java-9 + + + org.apache.maven.plugins + maven-compiler-plugin + ${maven-compiler-plugin.version} + + ${maven.compiler.source} + ${maven.compiler.target} + + + + + + + + apache.snapshots + http://repository.apache.org/snapshots/ + + + + + + 3.10.0 + 1.2.0 + 1.7.0 + 1.9 + 1.9 + 25.1-jre + + + diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/Java9OptionalTest.java b/core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/Java9OptionalTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/Java9OptionalTest.java rename to core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/Java9OptionalTest.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/concurrent/future/CompletableFutureUnitTest.java b/core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/concurrent/future/CompletableFutureUnitTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/concurrent/future/CompletableFutureUnitTest.java rename to core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/concurrent/future/CompletableFutureUnitTest.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/language/Java9ObjectsAPIUnitTest.java b/core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/language/Java9ObjectsAPIUnitTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/language/Java9ObjectsAPIUnitTest.java rename to core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/language/Java9ObjectsAPIUnitTest.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/language/collections/ListFactoryMethodsUnitTest.java b/core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/language/collections/ListFactoryMethodsUnitTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/language/collections/ListFactoryMethodsUnitTest.java rename to core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/language/collections/ListFactoryMethodsUnitTest.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/language/collections/MapFactoryMethodsUnitTest.java b/core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/language/collections/MapFactoryMethodsUnitTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/language/collections/MapFactoryMethodsUnitTest.java rename to core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/language/collections/MapFactoryMethodsUnitTest.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/language/collections/SetFactoryMethodsUnitTest.java b/core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/language/collections/SetFactoryMethodsUnitTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/language/collections/SetFactoryMethodsUnitTest.java rename to core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/language/collections/SetFactoryMethodsUnitTest.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/language/stream/CollectorImprovementUnitTest.java b/core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/language/stream/CollectorImprovementUnitTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/language/stream/CollectorImprovementUnitTest.java rename to core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/language/stream/CollectorImprovementUnitTest.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/language/stream/StreamFeaturesUnitTest.java b/core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/language/stream/StreamFeaturesUnitTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/language/stream/StreamFeaturesUnitTest.java rename to core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/language/stream/StreamFeaturesUnitTest.java diff --git a/core-java-modules/core-java-9-jigsaw/README.md b/core-java-modules/core-java-9-jigsaw/README.md new file mode 100644 index 0000000000..b1a401d48c --- /dev/null +++ b/core-java-modules/core-java-9-jigsaw/README.md @@ -0,0 +1,11 @@ +## Core Java 9 + +This module contains articles about Project Jigsaw and the Java Platform Module System (JPMS), introduced with Java 9. + +### Relevant Articles: + +- [Introduction to Project Jigsaw](http://www.baeldung.com/project-jigsaw-java-modularity) +- [A Guide to Java 9 Modularity](https://www.baeldung.com/java-9-modularity) +- [Java 9 java.lang.Module API](https://www.baeldung.com/java-9-module-api) + + diff --git a/core-java-modules/core-java-9/compile-simple-modules.sh b/core-java-modules/core-java-9-jigsaw/compile-simple-modules.sh similarity index 100% rename from core-java-modules/core-java-9/compile-simple-modules.sh rename to core-java-modules/core-java-9-jigsaw/compile-simple-modules.sh diff --git a/core-java-modules/core-java-9/compile-student-client.bat b/core-java-modules/core-java-9-jigsaw/compile-student-client.bat similarity index 100% rename from core-java-modules/core-java-9/compile-student-client.bat rename to core-java-modules/core-java-9-jigsaw/compile-student-client.bat diff --git a/core-java-modules/core-java-9/compile-student-model.bat b/core-java-modules/core-java-9-jigsaw/compile-student-model.bat similarity index 100% rename from core-java-modules/core-java-9/compile-student-model.bat rename to core-java-modules/core-java-9-jigsaw/compile-student-model.bat diff --git a/core-java-modules/core-java-9/compile-student-service-dbimpl.bat b/core-java-modules/core-java-9-jigsaw/compile-student-service-dbimpl.bat similarity index 100% rename from core-java-modules/core-java-9/compile-student-service-dbimpl.bat rename to core-java-modules/core-java-9-jigsaw/compile-student-service-dbimpl.bat diff --git a/core-java-modules/core-java-9/compile-student-service.bat b/core-java-modules/core-java-9-jigsaw/compile-student-service.bat similarity index 100% rename from core-java-modules/core-java-9/compile-student-service.bat rename to core-java-modules/core-java-9-jigsaw/compile-student-service.bat diff --git a/core-java-modules/core-java-9-jigsaw/pom.xml b/core-java-modules/core-java-9-jigsaw/pom.xml new file mode 100644 index 0000000000..8194ae9d00 --- /dev/null +++ b/core-java-modules/core-java-9-jigsaw/pom.xml @@ -0,0 +1,35 @@ + + 4.0.0 + core-java-9-jigsaw + 0.2-SNAPSHOT + core-java-9 + + + com.baeldung + parent-modules + 1.0.0-SNAPSHOT + ../../ + + + + core-java-9-jigsaw + + + org.apache.maven.plugins + maven-compiler-plugin + ${maven-compiler-plugin.version} + + ${maven.compiler.source} + ${maven.compiler.target} + + + + + + + 1.9 + 1.9 + + + diff --git a/core-java-modules/core-java-9/run-simple-module-app.sh b/core-java-modules/core-java-9-jigsaw/run-simple-module-app.sh similarity index 100% rename from core-java-modules/core-java-9/run-simple-module-app.sh rename to core-java-modules/core-java-9-jigsaw/run-simple-module-app.sh diff --git a/core-java-modules/core-java-9/run-student-client.bat b/core-java-modules/core-java-9-jigsaw/run-student-client.bat similarity index 100% rename from core-java-modules/core-java-9/run-student-client.bat rename to core-java-modules/core-java-9-jigsaw/run-student-client.bat diff --git a/core-java-modules/core-java-9/run-student-client.sh b/core-java-modules/core-java-9-jigsaw/run-student-client.sh similarity index 100% rename from core-java-modules/core-java-9/run-student-client.sh rename to core-java-modules/core-java-9-jigsaw/run-student-client.sh diff --git a/core-java-modules/core-java-9/src/modules/com.baeldung.student.client/com/baeldung/student/client/StudentClient.java b/core-java-modules/core-java-9-jigsaw/src/modules/com.baeldung.student.client/com/baeldung/student/client/StudentClient.java similarity index 100% rename from core-java-modules/core-java-9/src/modules/com.baeldung.student.client/com/baeldung/student/client/StudentClient.java rename to core-java-modules/core-java-9-jigsaw/src/modules/com.baeldung.student.client/com/baeldung/student/client/StudentClient.java diff --git a/core-java-modules/core-java-9/src/modules/com.baeldung.student.client/module-info.java b/core-java-modules/core-java-9-jigsaw/src/modules/com.baeldung.student.client/module-info.java similarity index 100% rename from core-java-modules/core-java-9/src/modules/com.baeldung.student.client/module-info.java rename to core-java-modules/core-java-9-jigsaw/src/modules/com.baeldung.student.client/module-info.java diff --git a/core-java-modules/core-java-9/src/modules/com.baeldung.student.model/com/baeldung/student/model/Student.java b/core-java-modules/core-java-9-jigsaw/src/modules/com.baeldung.student.model/com/baeldung/student/model/Student.java similarity index 100% rename from core-java-modules/core-java-9/src/modules/com.baeldung.student.model/com/baeldung/student/model/Student.java rename to core-java-modules/core-java-9-jigsaw/src/modules/com.baeldung.student.model/com/baeldung/student/model/Student.java diff --git a/core-java-modules/core-java-9/src/modules/com.baeldung.student.model/module-info.java b/core-java-modules/core-java-9-jigsaw/src/modules/com.baeldung.student.model/module-info.java similarity index 100% rename from core-java-modules/core-java-9/src/modules/com.baeldung.student.model/module-info.java rename to core-java-modules/core-java-9-jigsaw/src/modules/com.baeldung.student.model/module-info.java diff --git a/core-java-modules/core-java-9/src/modules/com.baeldung.student.service.dbimpl/com/baeldung/student/service/dbimpl/StudentDbService.java b/core-java-modules/core-java-9-jigsaw/src/modules/com.baeldung.student.service.dbimpl/com/baeldung/student/service/dbimpl/StudentDbService.java similarity index 100% rename from core-java-modules/core-java-9/src/modules/com.baeldung.student.service.dbimpl/com/baeldung/student/service/dbimpl/StudentDbService.java rename to core-java-modules/core-java-9-jigsaw/src/modules/com.baeldung.student.service.dbimpl/com/baeldung/student/service/dbimpl/StudentDbService.java diff --git a/core-java-modules/core-java-9/src/modules/com.baeldung.student.service.dbimpl/module-info.java b/core-java-modules/core-java-9-jigsaw/src/modules/com.baeldung.student.service.dbimpl/module-info.java similarity index 100% rename from core-java-modules/core-java-9/src/modules/com.baeldung.student.service.dbimpl/module-info.java rename to core-java-modules/core-java-9-jigsaw/src/modules/com.baeldung.student.service.dbimpl/module-info.java diff --git a/core-java-modules/core-java-9/src/modules/com.baeldung.student.service/com/baeldung/student/service/StudentService.java b/core-java-modules/core-java-9-jigsaw/src/modules/com.baeldung.student.service/com/baeldung/student/service/StudentService.java similarity index 100% rename from core-java-modules/core-java-9/src/modules/com.baeldung.student.service/com/baeldung/student/service/StudentService.java rename to core-java-modules/core-java-9-jigsaw/src/modules/com.baeldung.student.service/com/baeldung/student/service/StudentService.java diff --git a/core-java-modules/core-java-9/src/modules/com.baeldung.student.service/module-info.java b/core-java-modules/core-java-9-jigsaw/src/modules/com.baeldung.student.service/module-info.java similarity index 100% rename from core-java-modules/core-java-9/src/modules/com.baeldung.student.service/module-info.java rename to core-java-modules/core-java-9-jigsaw/src/modules/com.baeldung.student.service/module-info.java diff --git a/core-java-modules/core-java-9/src/simple-modules/hello.modules/com/baeldung/modules/hello/HelloInterface.java b/core-java-modules/core-java-9-jigsaw/src/simple-modules/hello.modules/com/baeldung/modules/hello/HelloInterface.java similarity index 100% rename from core-java-modules/core-java-9/src/simple-modules/hello.modules/com/baeldung/modules/hello/HelloInterface.java rename to core-java-modules/core-java-9-jigsaw/src/simple-modules/hello.modules/com/baeldung/modules/hello/HelloInterface.java diff --git a/core-java-modules/core-java-9/src/simple-modules/hello.modules/com/baeldung/modules/hello/HelloModules.java b/core-java-modules/core-java-9-jigsaw/src/simple-modules/hello.modules/com/baeldung/modules/hello/HelloModules.java similarity index 100% rename from core-java-modules/core-java-9/src/simple-modules/hello.modules/com/baeldung/modules/hello/HelloModules.java rename to core-java-modules/core-java-9-jigsaw/src/simple-modules/hello.modules/com/baeldung/modules/hello/HelloModules.java diff --git a/core-java-modules/core-java-9/src/simple-modules/hello.modules/module-info.java b/core-java-modules/core-java-9-jigsaw/src/simple-modules/hello.modules/module-info.java similarity index 100% rename from core-java-modules/core-java-9/src/simple-modules/hello.modules/module-info.java rename to core-java-modules/core-java-9-jigsaw/src/simple-modules/hello.modules/module-info.java diff --git a/core-java-modules/core-java-9/src/simple-modules/main.app/com/baeldung/modules/main/MainApp.java b/core-java-modules/core-java-9-jigsaw/src/simple-modules/main.app/com/baeldung/modules/main/MainApp.java similarity index 100% rename from core-java-modules/core-java-9/src/simple-modules/main.app/com/baeldung/modules/main/MainApp.java rename to core-java-modules/core-java-9-jigsaw/src/simple-modules/main.app/com/baeldung/modules/main/MainApp.java diff --git a/core-java-modules/core-java-9/src/simple-modules/main.app/module-info.java b/core-java-modules/core-java-9-jigsaw/src/simple-modules/main.app/module-info.java similarity index 100% rename from core-java-modules/core-java-9/src/simple-modules/main.app/module-info.java rename to core-java-modules/core-java-9-jigsaw/src/simple-modules/main.app/module-info.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/modules/ModuleAPIUnitTest.java b/core-java-modules/core-java-9-jigsaw/src/test/java/com/baeldung/java9/modules/ModuleAPIUnitTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/modules/ModuleAPIUnitTest.java rename to core-java-modules/core-java-9-jigsaw/src/test/java/com/baeldung/java9/modules/ModuleAPIUnitTest.java diff --git a/core-java-modules/core-java-9-new-features/README.md b/core-java-modules/core-java-9-new-features/README.md new file mode 100644 index 0000000000..d547b9a221 --- /dev/null +++ b/core-java-modules/core-java-9-new-features/README.md @@ -0,0 +1,14 @@ +## Core Java 9 + +This module contains articles about core Java features that have been introduced in Java 9. + +### Relevant Articles: + +- [Java 9 New Features](https://www.baeldung.com/new-java-9) +- [Java 9 Variable Handles Demystified](http://www.baeldung.com/java-variable-handles) +- [Exploring the New HTTP Client in Java 9 and 11](http://www.baeldung.com/java-9-http-client) +- [Multi-Release Jar Files](https://www.baeldung.com/java-multi-release-jar) +- [Ahead of Time Compilation (AoT)](https://www.baeldung.com/ahead-of-time-compilation) +- [Introduction to Java 9 StackWalking API](https://www.baeldung.com/java-9-stackwalking-api) +- [Java 9 Platform Logging API](https://www.baeldung.com/java-9-logging-api) +- [Java 9 Reactive Streams](https://www.baeldung.com/java-9-reactive-streams) diff --git a/core-java-modules/core-java-9/compile-aot.sh b/core-java-modules/core-java-9-new-features/compile-aot.sh similarity index 100% rename from core-java-modules/core-java-9/compile-aot.sh rename to core-java-modules/core-java-9-new-features/compile-aot.sh diff --git a/core-java-modules/core-java-9/compile-httpclient.bat b/core-java-modules/core-java-9-new-features/compile-httpclient.bat similarity index 100% rename from core-java-modules/core-java-9/compile-httpclient.bat rename to core-java-modules/core-java-9-new-features/compile-httpclient.bat diff --git a/core-java-modules/core-java-9/compile-modules.sh b/core-java-modules/core-java-9-new-features/compile-modules.sh similarity index 100% rename from core-java-modules/core-java-9/compile-modules.sh rename to core-java-modules/core-java-9-new-features/compile-modules.sh diff --git a/core-java-modules/core-java-9/logging.sh b/core-java-modules/core-java-9-new-features/logging.sh similarity index 100% rename from core-java-modules/core-java-9/logging.sh rename to core-java-modules/core-java-9-new-features/logging.sh diff --git a/core-java-modules/core-java-9/mods/logback.xml b/core-java-modules/core-java-9-new-features/mods/logback.xml similarity index 100% rename from core-java-modules/core-java-9/mods/logback.xml rename to core-java-modules/core-java-9-new-features/mods/logback.xml diff --git a/core-java-modules/core-java-9-new-features/pom.xml b/core-java-modules/core-java-9-new-features/pom.xml new file mode 100644 index 0000000000..cfdbb285d4 --- /dev/null +++ b/core-java-modules/core-java-9-new-features/pom.xml @@ -0,0 +1,60 @@ + + 4.0.0 + core-java-9-new-features + 0.2-SNAPSHOT + core-java-9 + + + com.baeldung + parent-modules + 1.0.0-SNAPSHOT + ../../ + + + + + org.assertj + assertj-core + ${assertj.version} + test + + + org.junit.platform + junit-platform-runner + ${junit.platform.version} + test + + + + + core-java-9-new-features + + + org.apache.maven.plugins + maven-compiler-plugin + ${maven-compiler-plugin.version} + + ${maven.compiler.source} + ${maven.compiler.target} + + + + + + + + apache.snapshots + http://repository.apache.org/snapshots/ + + + + + + 3.10.0 + 1.2.0 + 1.9 + 1.9 + + + diff --git a/core-java-modules/core-java-9/run-aot.sh b/core-java-modules/core-java-9-new-features/run-aot.sh similarity index 100% rename from core-java-modules/core-java-9/run-aot.sh rename to core-java-modules/core-java-9-new-features/run-aot.sh diff --git a/core-java-modules/core-java-9/run-httpclient.bat b/core-java-modules/core-java-9-new-features/run-httpclient.bat similarity index 100% rename from core-java-modules/core-java-9/run-httpclient.bat rename to core-java-modules/core-java-9-new-features/run-httpclient.bat diff --git a/core-java-modules/core-java-9/src/main/java/com/baeldung/java9/aot/JaotCompilation.java b/core-java-modules/core-java-9-new-features/src/main/java/com/baeldung/java9/aot/JaotCompilation.java similarity index 100% rename from core-java-modules/core-java-9/src/main/java/com/baeldung/java9/aot/JaotCompilation.java rename to core-java-modules/core-java-9-new-features/src/main/java/com/baeldung/java9/aot/JaotCompilation.java diff --git a/core-java-modules/core-java-9/src/main/java/com/baeldung/java9/language/PrivateInterface.java b/core-java-modules/core-java-9-new-features/src/main/java/com/baeldung/java9/language/PrivateInterface.java similarity index 100% rename from core-java-modules/core-java-9/src/main/java/com/baeldung/java9/language/PrivateInterface.java rename to core-java-modules/core-java-9-new-features/src/main/java/com/baeldung/java9/language/PrivateInterface.java diff --git a/core-java-modules/core-java-9/src/main/java/com/baeldung/java9/reactive/BaeldungBatchSubscriberImpl.java b/core-java-modules/core-java-9-new-features/src/main/java/com/baeldung/java9/reactive/BaeldungBatchSubscriberImpl.java similarity index 100% rename from core-java-modules/core-java-9/src/main/java/com/baeldung/java9/reactive/BaeldungBatchSubscriberImpl.java rename to core-java-modules/core-java-9-new-features/src/main/java/com/baeldung/java9/reactive/BaeldungBatchSubscriberImpl.java diff --git a/core-java-modules/core-java-9/src/main/java/com/baeldung/java9/reactive/BaeldungSubscriberImpl.java b/core-java-modules/core-java-9-new-features/src/main/java/com/baeldung/java9/reactive/BaeldungSubscriberImpl.java similarity index 100% rename from core-java-modules/core-java-9/src/main/java/com/baeldung/java9/reactive/BaeldungSubscriberImpl.java rename to core-java-modules/core-java-9-new-features/src/main/java/com/baeldung/java9/reactive/BaeldungSubscriberImpl.java diff --git a/core-java-modules/core-java-9/src/main/java/com/baeldung/java9/stackwalker/StackWalkerDemo.java b/core-java-modules/core-java-9-new-features/src/main/java/com/baeldung/java9/stackwalker/StackWalkerDemo.java similarity index 100% rename from core-java-modules/core-java-9/src/main/java/com/baeldung/java9/stackwalker/StackWalkerDemo.java rename to core-java-modules/core-java-9-new-features/src/main/java/com/baeldung/java9/stackwalker/StackWalkerDemo.java diff --git a/core-java-modules/core-java-9/src/main/java/com/baeldung/java9/streams.reactive/EndSubscriber.java b/core-java-modules/core-java-9-new-features/src/main/java/com/baeldung/java9/streams.reactive/EndSubscriber.java similarity index 100% rename from core-java-modules/core-java-9/src/main/java/com/baeldung/java9/streams.reactive/EndSubscriber.java rename to core-java-modules/core-java-9-new-features/src/main/java/com/baeldung/java9/streams.reactive/EndSubscriber.java diff --git a/core-java-modules/core-java-9/src/main/java/com/baeldung/java9/streams.reactive/TransformProcessor.java b/core-java-modules/core-java-9-new-features/src/main/java/com/baeldung/java9/streams.reactive/TransformProcessor.java similarity index 100% rename from core-java-modules/core-java-9/src/main/java/com/baeldung/java9/streams.reactive/TransformProcessor.java rename to core-java-modules/core-java-9-new-features/src/main/java/com/baeldung/java9/streams.reactive/TransformProcessor.java diff --git a/core-java-modules/core-java-9/src/main/java/com/baeldung/multireleaseapp/App.java b/core-java-modules/core-java-9-new-features/src/main/java/com/baeldung/multireleaseapp/App.java similarity index 100% rename from core-java-modules/core-java-9/src/main/java/com/baeldung/multireleaseapp/App.java rename to core-java-modules/core-java-9-new-features/src/main/java/com/baeldung/multireleaseapp/App.java diff --git a/core-java-modules/core-java-9/src/main/java/com/baeldung/multireleaseapp/DateHelper.java b/core-java-modules/core-java-9-new-features/src/main/java/com/baeldung/multireleaseapp/DateHelper.java similarity index 100% rename from core-java-modules/core-java-9/src/main/java/com/baeldung/multireleaseapp/DateHelper.java rename to core-java-modules/core-java-9-new-features/src/main/java/com/baeldung/multireleaseapp/DateHelper.java diff --git a/core-java-modules/core-java-9/src/main/java9/com/baeldung/multireleaseapp/DateHelper.java b/core-java-modules/core-java-9-new-features/src/main/java9/com/baeldung/multireleaseapp/DateHelper.java similarity index 100% rename from core-java-modules/core-java-9/src/main/java9/com/baeldung/multireleaseapp/DateHelper.java rename to core-java-modules/core-java-9-new-features/src/main/java9/com/baeldung/multireleaseapp/DateHelper.java diff --git a/core-java-modules/core-java-9/src/modules/com.baeldung.httpclient/com/baeldung/httpclient/HttpClientExample.java b/core-java-modules/core-java-9-new-features/src/modules/com.baeldung.httpclient/com/baeldung/httpclient/HttpClientExample.java similarity index 100% rename from core-java-modules/core-java-9/src/modules/com.baeldung.httpclient/com/baeldung/httpclient/HttpClientExample.java rename to core-java-modules/core-java-9-new-features/src/modules/com.baeldung.httpclient/com/baeldung/httpclient/HttpClientExample.java diff --git a/core-java-modules/core-java-9/src/modules/com.baeldung.httpclient/module-info.java b/core-java-modules/core-java-9-new-features/src/modules/com.baeldung.httpclient/module-info.java similarity index 100% rename from core-java-modules/core-java-9/src/modules/com.baeldung.httpclient/module-info.java rename to core-java-modules/core-java-9-new-features/src/modules/com.baeldung.httpclient/module-info.java diff --git a/core-java-modules/core-java-9/src/modules/com.baeldung.logging.app/com/baeldung/logging/app/MainApp.java b/core-java-modules/core-java-9-new-features/src/modules/com.baeldung.logging.app/com/baeldung/logging/app/MainApp.java similarity index 100% rename from core-java-modules/core-java-9/src/modules/com.baeldung.logging.app/com/baeldung/logging/app/MainApp.java rename to core-java-modules/core-java-9-new-features/src/modules/com.baeldung.logging.app/com/baeldung/logging/app/MainApp.java diff --git a/core-java-modules/core-java-9/src/modules/com.baeldung.logging.app/module-info.java b/core-java-modules/core-java-9-new-features/src/modules/com.baeldung.logging.app/module-info.java similarity index 100% rename from core-java-modules/core-java-9/src/modules/com.baeldung.logging.app/module-info.java rename to core-java-modules/core-java-9-new-features/src/modules/com.baeldung.logging.app/module-info.java diff --git a/core-java-modules/core-java-9/src/modules/com.baeldung.logging.slf4j/com/baeldung/logging/slf4j/Slf4jLogger.java b/core-java-modules/core-java-9-new-features/src/modules/com.baeldung.logging.slf4j/com/baeldung/logging/slf4j/Slf4jLogger.java similarity index 100% rename from core-java-modules/core-java-9/src/modules/com.baeldung.logging.slf4j/com/baeldung/logging/slf4j/Slf4jLogger.java rename to core-java-modules/core-java-9-new-features/src/modules/com.baeldung.logging.slf4j/com/baeldung/logging/slf4j/Slf4jLogger.java diff --git a/core-java-modules/core-java-9/src/modules/com.baeldung.logging.slf4j/com/baeldung/logging/slf4j/Slf4jLoggerFinder.java b/core-java-modules/core-java-9-new-features/src/modules/com.baeldung.logging.slf4j/com/baeldung/logging/slf4j/Slf4jLoggerFinder.java similarity index 100% rename from core-java-modules/core-java-9/src/modules/com.baeldung.logging.slf4j/com/baeldung/logging/slf4j/Slf4jLoggerFinder.java rename to core-java-modules/core-java-9-new-features/src/modules/com.baeldung.logging.slf4j/com/baeldung/logging/slf4j/Slf4jLoggerFinder.java diff --git a/core-java-modules/core-java-9/src/modules/com.baeldung.logging.slf4j/module-info.java b/core-java-modules/core-java-9-new-features/src/modules/com.baeldung.logging.slf4j/module-info.java similarity index 100% rename from core-java-modules/core-java-9/src/modules/com.baeldung.logging.slf4j/module-info.java rename to core-java-modules/core-java-9-new-features/src/modules/com.baeldung.logging.slf4j/module-info.java diff --git a/core-java-modules/core-java-9/src/modules/com.baeldung.logging/com/baeldung/logging/ConsoleLogger.java b/core-java-modules/core-java-9-new-features/src/modules/com.baeldung.logging/com/baeldung/logging/ConsoleLogger.java similarity index 100% rename from core-java-modules/core-java-9/src/modules/com.baeldung.logging/com/baeldung/logging/ConsoleLogger.java rename to core-java-modules/core-java-9-new-features/src/modules/com.baeldung.logging/com/baeldung/logging/ConsoleLogger.java diff --git a/core-java-modules/core-java-9/src/modules/com.baeldung.logging/com/baeldung/logging/CustomLoggerFinder.java b/core-java-modules/core-java-9-new-features/src/modules/com.baeldung.logging/com/baeldung/logging/CustomLoggerFinder.java similarity index 100% rename from core-java-modules/core-java-9/src/modules/com.baeldung.logging/com/baeldung/logging/CustomLoggerFinder.java rename to core-java-modules/core-java-9-new-features/src/modules/com.baeldung.logging/com/baeldung/logging/CustomLoggerFinder.java diff --git a/core-java-modules/core-java-9/src/modules/com.baeldung.logging/module-info.java b/core-java-modules/core-java-9-new-features/src/modules/com.baeldung.logging/module-info.java similarity index 100% rename from core-java-modules/core-java-9/src/modules/com.baeldung.logging/module-info.java rename to core-java-modules/core-java-9-new-features/src/modules/com.baeldung.logging/module-info.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/MultiResultionImageUnitTest.java b/core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/MultiResultionImageUnitTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/MultiResultionImageUnitTest.java rename to core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/MultiResultionImageUnitTest.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/OptionalToStreamUnitTest.java b/core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/OptionalToStreamUnitTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/OptionalToStreamUnitTest.java rename to core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/OptionalToStreamUnitTest.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/httpclient/HttpClientTest.java b/core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/httpclient/HttpClientTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/httpclient/HttpClientTest.java rename to core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/httpclient/HttpClientTest.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/httpclient/HttpRequestTest.java b/core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/httpclient/HttpRequestTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/httpclient/HttpRequestTest.java rename to core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/httpclient/HttpRequestTest.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/httpclient/HttpResponseTest.java b/core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/httpclient/HttpResponseTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/httpclient/HttpResponseTest.java rename to core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/httpclient/HttpResponseTest.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/language/DiamondUnitTest.java b/core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/language/DiamondUnitTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/language/DiamondUnitTest.java rename to core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/language/DiamondUnitTest.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/language/PrivateInterfaceUnitTest.java b/core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/language/PrivateInterfaceUnitTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/language/PrivateInterfaceUnitTest.java rename to core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/language/PrivateInterfaceUnitTest.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/language/TryWithResourcesUnitTest.java b/core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/language/TryWithResourcesUnitTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/language/TryWithResourcesUnitTest.java rename to core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/language/TryWithResourcesUnitTest.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/reactive/BaeldungBatchSubscriberImplIntegrationTest.java b/core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/reactive/BaeldungBatchSubscriberImplIntegrationTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/reactive/BaeldungBatchSubscriberImplIntegrationTest.java rename to core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/reactive/BaeldungBatchSubscriberImplIntegrationTest.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/reactive/BaeldungSubscriberImplIntegrationTest.java b/core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/reactive/BaeldungSubscriberImplIntegrationTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/reactive/BaeldungSubscriberImplIntegrationTest.java rename to core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/reactive/BaeldungSubscriberImplIntegrationTest.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/stackwalker/StackWalkerDemoUnitTest.java b/core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/stackwalker/StackWalkerDemoUnitTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/stackwalker/StackWalkerDemoUnitTest.java rename to core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/stackwalker/StackWalkerDemoUnitTest.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/streams.reactive/ReactiveStreamsTest.java b/core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/streams.reactive/ReactiveStreamsTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/streams.reactive/ReactiveStreamsTest.java rename to core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/streams.reactive/ReactiveStreamsTest.java diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/varhandles/VariableHandlesTest.java b/core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/varhandles/VariableHandlesTest.java similarity index 100% rename from core-java-modules/core-java-9/src/test/java/com/baeldung/java9/varhandles/VariableHandlesTest.java rename to core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/varhandles/VariableHandlesTest.java diff --git a/core-java-modules/core-java-9/.gitignore b/core-java-modules/core-java-9/.gitignore deleted file mode 100644 index 83c05e60c8..0000000000 --- a/core-java-modules/core-java-9/.gitignore +++ /dev/null @@ -1,13 +0,0 @@ -*.class - -#folders# -/target -/neoDb* -/data -/src/main/webapp/WEB-INF/classes -*/META-INF/* - -# Packaged files # -*.jar -*.war -*.ear \ No newline at end of file diff --git a/core-java-modules/core-java-9/README.md b/core-java-modules/core-java-9/README.md index f4939ae1e1..94f480db67 100644 --- a/core-java-modules/core-java-9/README.md +++ b/core-java-modules/core-java-9/README.md @@ -4,28 +4,13 @@ This module contains articles about Java 9 core features ### Relevant Articles: -- [Java 9 New Features](https://www.baeldung.com/new-java-9) -- [New Stream Collectors in Java 9](http://www.baeldung.com/java9-stream-collectors) -- [Introduction to Project Jigsaw](http://www.baeldung.com/project-jigsaw-java-modularity) -- [Java 9 Variable Handles Demystified](http://www.baeldung.com/java-variable-handles) -- [Exploring the New HTTP Client in Java 9 and 11](http://www.baeldung.com/java-9-http-client) - [Method Handles in Java](http://www.baeldung.com/java-method-handles) - [Introduction to Chronicle Queue](http://www.baeldung.com/java-chronicle-queue) - [Optional orElse Optional](http://www.baeldung.com/java-optional-or-else-optional) - [Iterate Through a Range of Dates in Java](https://www.baeldung.com/java-iterate-date-range) - [Initialize a HashMap in Java](https://www.baeldung.com/java-initialize-hashmap) - [Immutable Set in Java](https://www.baeldung.com/java-immutable-set) -- [Multi-Release Jar Files](https://www.baeldung.com/java-multi-release-jar) -- [Ahead of Time Compilation (AoT)](https://www.baeldung.com/ahead-of-time-compilation) -- [Java 9 Process API Improvements](https://www.baeldung.com/java-9-process-api) -- [Java 9 java.util.Objects Additions](https://www.baeldung.com/java-9-objects-new) -- [Java 9 Reactive Streams](https://www.baeldung.com/java-9-reactive-streams) -- [Java 9 Optional API Additions](https://www.baeldung.com/java-9-optional) -- [Java 9 CompletableFuture API Improvements](https://www.baeldung.com/java-9-completablefuture) -- [Introduction to Java 9 StackWalking API](https://www.baeldung.com/java-9-stackwalking-api) -- [Java 9 Convenience Factory Methods for Collections](https://www.baeldung.com/java-9-collections-factory-methods) -- [Java 9 Stream API Improvements](https://www.baeldung.com/java-9-stream-api) -- [A Guide to Java 9 Modularity](https://www.baeldung.com/java-9-modularity) -- [Java 9 java.lang.Module API](https://www.baeldung.com/java-9-module-api) -- [Java 9 Platform Logging API](https://www.baeldung.com/java-9-logging-api) - [Filtering a Stream of Optionals in Java](https://www.baeldung.com/java-filter-stream-of-optional) + +Note: also contains part of the code for the article +[How to Filter a Collection in Java](https://www.baeldung.com/java-collection-filtering). diff --git a/core-java-modules/core-java-9/src/main/java/.gitignore b/core-java-modules/core-java-9/src/main/java/.gitignore deleted file mode 100644 index 83c05e60c8..0000000000 --- a/core-java-modules/core-java-9/src/main/java/.gitignore +++ /dev/null @@ -1,13 +0,0 @@ -*.class - -#folders# -/target -/neoDb* -/data -/src/main/webapp/WEB-INF/classes -*/META-INF/* - -# Packaged files # -*.jar -*.war -*.ear \ No newline at end of file diff --git a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/README.MD b/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/README.MD deleted file mode 100644 index 2f44a2336b..0000000000 --- a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/README.MD +++ /dev/null @@ -1,2 +0,0 @@ -### Relevant Artiles: -- [Filtering a Stream of Optionals in Java](http://www.baeldung.com/java-filter-stream-of-optional) diff --git a/core-java-modules/core-java-io/README.md b/core-java-modules/core-java-io/README.md index 34b2f371e1..2a68e861e8 100644 --- a/core-java-modules/core-java-io/README.md +++ b/core-java-modules/core-java-io/README.md @@ -13,22 +13,11 @@ This module contains articles about core Java input and output (IO) - [Differences Between the Java WatchService API and the Apache Commons IO Monitor Library](http://www.baeldung.com/java-watchservice-vs-apache-commons-io-monitor-library) - [File Size in Java](http://www.baeldung.com/java-file-size) - [Comparing getPath(), getAbsolutePath(), and getCanonicalPath() in Java](http://www.baeldung.com/java-path) -- [Using Java MappedByteBuffer](http://www.baeldung.com/java-mapped-byte-buffer) - [How to Copy a File with Java](http://www.baeldung.com/java-copy-file) - [Java – Append Data to a File](http://www.baeldung.com/java-append-to-file) - [FileNotFoundException in Java](http://www.baeldung.com/java-filenotfound-exception) - [How to Read a File in Java](http://www.baeldung.com/reading-file-in-java) -- [A Guide To NIO2 Asynchronous File Channel](http://www.baeldung.com/java-nio2-async-file-channel) -- [A Guide To NIO2 FileVisitor](http://www.baeldung.com/java-nio2-file-visitor) -- [A Guide To NIO2 File Attribute APIs](http://www.baeldung.com/java-nio2-file-attribute) -- [Introduction to the Java NIO2 File API](http://www.baeldung.com/java-nio-2-file-api) - [Zipping and Unzipping in Java](http://www.baeldung.com/java-compress-and-uncompress) -- [Java NIO2 Path API](http://www.baeldung.com/java-nio-2-path) -- [A Guide to WatchService in Java NIO2](http://www.baeldung.com/java-nio2-watchservice) -- [Guide to Java NIO2 Asynchronous Channel APIs](http://www.baeldung.com/java-nio-2-async-channels) -- [A Guide to NIO2 Asynchronous Socket Channel](http://www.baeldung.com/java-nio2-async-socket-channel) -- [Download a File From an URL in Java](http://www.baeldung.com/java-download-file) -- [Create a Symbolic Link with Java](http://www.baeldung.com/java-symlink) - [Quick Use of FilenameFilter](http://www.baeldung.com/java-filename-filter) - [Read a File into an ArrayList](https://www.baeldung.com/java-file-to-arraylist) - [Guide to Java OutputStream](https://www.baeldung.com/java-outputstream) @@ -40,6 +29,5 @@ This module contains articles about core Java input and output (IO) - [How to Write to a CSV File in Java](https://www.baeldung.com/java-csv) - [List Files in a Directory in Java](https://www.baeldung.com/java-list-directory-files) - [Java InputStream to Byte Array and ByteBuffer](https://www.baeldung.com/convert-input-stream-to-array-of-bytes) -- [Introduction to the Java NIO Selector](https://www.baeldung.com/java-nio-selector) - [How to Avoid the Java FileNotFoundException When Loading Resources](https://www.baeldung.com/java-classpath-resource-cannot-be-opened) - [[More -->]](/core-java-modules/core-java-io-2) diff --git a/core-java-modules/core-java-io/pom.xml b/core-java-modules/core-java-io/pom.xml index 3478f71286..393ab5e318 100644 --- a/core-java-modules/core-java-io/pom.xml +++ b/core-java-modules/core-java-io/pom.xml @@ -27,12 +27,6 @@ ${hsqldb.version} runtime - - - org.asynchttpclient - async-http-client - ${async-http-client.version} - com.opencsv opencsv @@ -155,7 +149,6 @@ 3.0.0-M1 2.4.0 - 2.4.5 1.18 0.1.5 diff --git a/core-java-modules/core-java-io/src/main/java/com/baeldung/java/nio/selector/README.md b/core-java-modules/core-java-io/src/main/java/com/baeldung/java/nio/selector/README.md deleted file mode 100644 index b28aae1397..0000000000 --- a/core-java-modules/core-java-io/src/main/java/com/baeldung/java/nio/selector/README.md +++ /dev/null @@ -1,2 +0,0 @@ -###Relevant Articles: -- [Introduction to the Java NIO Selector](http://www.baeldung.com/java-nio-selector) diff --git a/core-java-modules/core-java-io/src/test/java/com/baeldung/filechannel/FileChannelUnitTest.java b/core-java-modules/core-java-io/src/test/java/com/baeldung/filechannel/FileChannelUnitTest.java deleted file mode 100644 index 6964ba80e3..0000000000 --- a/core-java-modules/core-java-io/src/test/java/com/baeldung/filechannel/FileChannelUnitTest.java +++ /dev/null @@ -1,165 +0,0 @@ -package com.baeldung.filechannel; - -import static org.junit.Assert.assertEquals; -import static org.junit.Assert.assertNotNull; - -import java.io.ByteArrayOutputStream; -import java.io.FileInputStream; -import java.io.FileOutputStream; -import java.io.IOException; -import java.io.RandomAccessFile; -import java.nio.ByteBuffer; -import java.nio.MappedByteBuffer; -import java.nio.channels.FileChannel; -import java.nio.channels.FileLock; -import java.nio.charset.StandardCharsets; - -import org.junit.Test; - -public class FileChannelUnitTest { - - @Test - public void givenFile_whenReadWithFileChannelUsingRandomAccessFile_thenCorrect() throws IOException { - - try (RandomAccessFile reader = new RandomAccessFile("src/test/resources/test_read.in", "r"); - FileChannel channel = reader.getChannel(); - ByteArrayOutputStream out = new ByteArrayOutputStream();) { - - int bufferSize = 1024; - if (bufferSize > channel.size()) { - bufferSize = (int) channel.size(); - } - ByteBuffer buff = ByteBuffer.allocate(bufferSize); - - while (channel.read(buff) > 0) { - out.write(buff.array(), 0, buff.position()); - buff.clear(); - } - - String fileContent = new String(out.toByteArray(), StandardCharsets.UTF_8); - - assertEquals("Hello world", fileContent); - } - } - - @Test - public void givenFile_whenReadWithFileChannelUsingFileInputStream_thenCorrect() throws IOException { - - try (ByteArrayOutputStream out = new ByteArrayOutputStream(); - FileInputStream fin = new FileInputStream("src/test/resources/test_read.in"); - FileChannel channel = fin.getChannel();) { - - int bufferSize = 1024; - if (bufferSize > channel.size()) { - bufferSize = (int) channel.size(); - } - ByteBuffer buff = ByteBuffer.allocate(bufferSize); - - while (channel.read(buff) > 0) { - out.write(buff.array(), 0, buff.position()); - buff.clear(); - } - String fileContent = new String(out.toByteArray(), StandardCharsets.UTF_8); - - assertEquals("Hello world", fileContent); - } - } - - @Test - public void givenFile_whenReadAFileSectionIntoMemoryWithFileChannel_thenCorrect() throws IOException { - - try (RandomAccessFile reader = new RandomAccessFile("src/test/resources/test_read.in", "r"); - FileChannel channel = reader.getChannel(); - ByteArrayOutputStream out = new ByteArrayOutputStream();) { - - MappedByteBuffer buff = channel.map(FileChannel.MapMode.READ_ONLY, 6, 5); - - if (buff.hasRemaining()) { - byte[] data = new byte[buff.remaining()]; - buff.get(data); - assertEquals("world", new String(data, StandardCharsets.UTF_8)); - } - } - } - - @Test - public void whenWriteWithFileChannelUsingRandomAccessFile_thenCorrect() throws IOException { - String file = "src/test/resources/test_write_using_filechannel.txt"; - try (RandomAccessFile writer = new RandomAccessFile(file, "rw"); - FileChannel channel = writer.getChannel();) { - ByteBuffer buff = ByteBuffer.wrap("Hello world".getBytes(StandardCharsets.UTF_8)); - - channel.write(buff); - - // now we verify whether the file was written correctly - RandomAccessFile reader = new RandomAccessFile(file, "r"); - assertEquals("Hello world", reader.readLine()); - reader.close(); - } - } - - @Test - public void givenFile_whenWriteAFileUsingLockAFileSectionWithFileChannel_thenCorrect() throws IOException { - try (RandomAccessFile reader = new RandomAccessFile("src/test/resources/test_read.in", "rw"); - FileChannel channel = reader.getChannel(); - FileLock fileLock = channel.tryLock(6, 5, Boolean.FALSE);) { - - assertNotNull(fileLock); - } - } - - @Test - public void givenFile_whenReadWithFileChannelGetPosition_thenCorrect() throws IOException { - - try (ByteArrayOutputStream out = new ByteArrayOutputStream(); - RandomAccessFile reader = new RandomAccessFile("src/test/resources/test_read.in", "r"); - FileChannel channel = reader.getChannel();) { - - int bufferSize = 1024; - if (bufferSize > channel.size()) { - bufferSize = (int) channel.size(); - } - ByteBuffer buff = ByteBuffer.allocate(bufferSize); - - while (channel.read(buff) > 0) { - out.write(buff.array(), 0, buff.position()); - buff.clear(); - } - - // the original file is 11 bytes long, so that's where the position pointer should be - assertEquals(11, channel.position()); - - channel.position(4); - assertEquals(4, channel.position()); - } - } - - @Test - public void whenGetFileSize_thenCorrect() throws IOException { - - try (RandomAccessFile reader = new RandomAccessFile("src/test/resources/test_read.in", "r"); - FileChannel channel = reader.getChannel();) { - - // the original file is 11 bytes long, so that's where the position pointer should be - assertEquals(11, channel.size()); - } - } - - @Test - public void whenTruncateFile_thenCorrect() throws IOException { - String input = "this is a test input"; - - FileOutputStream fout = new FileOutputStream("src/test/resources/test_truncate.txt"); - FileChannel channel = fout.getChannel(); - - ByteBuffer buff = ByteBuffer.wrap(input.getBytes()); - channel.write(buff); - buff.flip(); - - channel = channel.truncate(5); - assertEquals(5, channel.size()); - - fout.close(); - channel.close(); - } -} diff --git a/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/README.md b/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/README.md deleted file mode 100644 index 569be82d27..0000000000 --- a/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/README.md +++ /dev/null @@ -1,11 +0,0 @@ -### Relevant Articles: -- [Introduction to the Java NIO2 File API](http://www.baeldung.com/java-nio-2-file-api) -- [Java NIO2 Path API](http://www.baeldung.com/java-nio-2-path) -- [A Guide To NIO2 Asynchronous File Channel](http://www.baeldung.com/java-nio2-async-file-channel) -- [Guide to Selenium with JUnit / TestNG](http://www.baeldung.com/java-selenium-with-junit-and-testng) -- [A Guide to NIO2 Asynchronous Socket Channel](http://www.baeldung.com/java-nio2-async-socket-channel) -- [A Guide To NIO2 FileVisitor](http://www.baeldung.com/java-nio2-file-visitor) -- [A Guide To NIO2 File Attribute APIs](http://www.baeldung.com/java-nio2-file-attribute) -- [How to use the Spring FactoryBean?](http://www.baeldung.com/spring-factorybean) -- [A Guide to WatchService in Java NIO2](http://www.baeldung.com/java-nio2-watchservice) -- [Guide to Java NIO2 Asynchronous Channel APIs](http://www.baeldung.com/java-nio-2-async-channels) diff --git a/core-java-modules/core-java-io/src/test/resources/test_truncate.txt b/core-java-modules/core-java-io/src/test/resources/test_truncate.txt deleted file mode 100644 index 26d3b38cdd..0000000000 --- a/core-java-modules/core-java-io/src/test/resources/test_truncate.txt +++ /dev/null @@ -1 +0,0 @@ -this \ No newline at end of file diff --git a/core-java-modules/core-java-io/src/test/resources/test_write_using_filechannel.txt b/core-java-modules/core-java-io/src/test/resources/test_write_using_filechannel.txt deleted file mode 100644 index 70c379b63f..0000000000 --- a/core-java-modules/core-java-io/src/test/resources/test_write_using_filechannel.txt +++ /dev/null @@ -1 +0,0 @@ -Hello world \ No newline at end of file diff --git a/core-java-modules/core-java-lang-oop-3/README.md b/core-java-modules/core-java-lang-oop-3/README.md index f8efcb737f..69fb4f5d28 100644 --- a/core-java-modules/core-java-lang-oop-3/README.md +++ b/core-java-modules/core-java-lang-oop-3/README.md @@ -15,4 +15,4 @@ This module contains articles about Object-oriented programming (OOP) in Java - [Java Interfaces](https://www.baeldung.com/java-interfaces) - [Static and Dynamic Binding in Java](https://www.baeldung.com/java-static-dynamic-binding) - [Methods in Java](https://www.baeldung.com/java-methods) -- [[<-- Prev]](/core-java-modules/core-java-lang-oop-2) +- [[<-- Prev]](/core-java-modules/core-java-lang-oop-2) [[More -->]](/core-java-modules/core-java-lang-oop-4) diff --git a/core-java-modules/core-java-lang-oop-4/README.md b/core-java-modules/core-java-lang-oop-4/README.md new file mode 100644 index 0000000000..fae5b3091b --- /dev/null +++ b/core-java-modules/core-java-lang-oop-4/README.md @@ -0,0 +1,6 @@ +## Core Java Lang OOP (Part 4) + +This module contains articles about Object-oriented programming (OOP) in Java + +### Relevant Articles: +- [[<-- Prev]](/core-java-modules/core-java-lang-oop-3) diff --git a/core-java-modules/core-java-lang-oop-4/pom.xml b/core-java-modules/core-java-lang-oop-4/pom.xml new file mode 100644 index 0000000000..72662a8ea4 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-4/pom.xml @@ -0,0 +1,57 @@ + + 4.0.0 + core-java-lang-oop-4 + 0.1.0-SNAPSHOT + core-java-lang-oop-4 + jar + + + com.baeldung + parent-java + 0.0.1-SNAPSHOT + ../../parent-java + + + + + + log4j + log4j + ${log4j.version} + + + org.slf4j + log4j-over-slf4j + ${org.slf4j.version} + + + + org.assertj + assertj-core + ${assertj-core.version} + test + + + com.h2database + h2 + ${h2.version} + test + + + + + core-java-lang-oop-4 + + + src/main/resources + true + + + + + + 3.10.0 + + + diff --git a/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/strictfpUsage/Circle.java b/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/strictfpUsage/Circle.java new file mode 100644 index 0000000000..a1f08d1bff --- /dev/null +++ b/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/strictfpUsage/Circle.java @@ -0,0 +1,5 @@ +package com.baeldung.strictfpUsage; + +public strictfp interface Circle { + double computeArea(double radius); +} diff --git a/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/strictfpUsage/ScientificCalculator.java b/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/strictfpUsage/ScientificCalculator.java new file mode 100644 index 0000000000..b898c3da3e --- /dev/null +++ b/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/strictfpUsage/ScientificCalculator.java @@ -0,0 +1,12 @@ +package com.baeldung.strictfpUsage; + +public strictfp class ScientificCalculator { + + public double sum(double value1, double value2) { + return value1 + value2; + } + + public double diff(double value1, double value2) { + return value1 - value2; + } +} diff --git a/core-java-modules/core-java-lang-oop-4/src/test/java/com/baeldung/strictfpUsage/ScientificCalculatorUnitTest.java b/core-java-modules/core-java-lang-oop-4/src/test/java/com/baeldung/strictfpUsage/ScientificCalculatorUnitTest.java new file mode 100644 index 0000000000..775c75ca9d --- /dev/null +++ b/core-java-modules/core-java-lang-oop-4/src/test/java/com/baeldung/strictfpUsage/ScientificCalculatorUnitTest.java @@ -0,0 +1,18 @@ +package com.baeldung.strictfpUsage; + +import org.junit.Test; + +import static org.hamcrest.Matchers.is; +import static org.junit.Assert.assertThat; + +public class ScientificCalculatorUnitTest { + + @Test + public void whenMethodOfstrictfpClassInvoked_thenIdenticalResultOnAllPlatforms() { + ScientificCalculator calculator = new ScientificCalculator(); + double result = calculator.sum(23e10, 98e17); + assertThat(result, is(9.800000230000001E18)); + result = calculator.diff(Double.MAX_VALUE, 1.56); + assertThat(result, is(1.7976931348623157E308)); + } +} diff --git a/core-java-modules/core-java-networking-2/README.md b/core-java-modules/core-java-networking-2/README.md index 7dc33b5e11..120b111ff5 100644 --- a/core-java-modules/core-java-networking-2/README.md +++ b/core-java-modules/core-java-networking-2/README.md @@ -4,10 +4,11 @@ This module contains articles about networking in Java ### Relevant Articles -- [Checking if a URL Exists in Java](https://www.baeldung.com/java-check-url-exists) -- [Making a JSON POST Request With HttpURLConnection](https://www.baeldung.com/httpurlconnection-post) +- [Checking If a URL Exists in Java](https://www.baeldung.com/java-check-url-exists) +- [Making a JSON POST Request with HttpURLConnection](https://www.baeldung.com/httpurlconnection-post) - [Using Curl in Java](https://www.baeldung.com/java-curl) -- [Do a Simple HTTP Request in Java](http://www.baeldung.com/java-http-request) -- [Sending Emails with Java](http://www.baeldung.com/java-email) +- [Do a Simple HTTP Request in Java](https://www.baeldung.com/java-http-request) +- [Sending Emails with Java](https://www.baeldung.com/java-email) - [Authentication with HttpUrlConnection](https://www.baeldung.com/java-http-url-connection) +- [Download a File from an URL in Java](https://www.baeldung.com/java-download-file) - [[<-- Prev]](/core-java-modules/core-java-networking) diff --git a/core-java-modules/core-java-networking-2/pom.xml b/core-java-modules/core-java-networking-2/pom.xml index 2d404a553b..c3a5891066 100644 --- a/core-java-modules/core-java-networking-2/pom.xml +++ b/core-java-modules/core-java-networking-2/pom.xml @@ -6,9 +6,10 @@ jar - com.baeldung.core-java-modules - core-java-modules - 1.0.0-SNAPSHOT + com.baeldung + parent-java + 0.0.1-SNAPSHOT + ../../parent-java @@ -27,6 +28,11 @@ mail ${javax.mail.version} + + org.asynchttpclient + async-http-client + ${async-http-client.version} + @@ -36,5 +42,6 @@ 4.5.9 1.5.0-b01 + 2.4.5 diff --git a/core-java-modules/core-java-io/src/main/java/com/baeldung/download/FileDownload.java b/core-java-modules/core-java-networking-2/src/main/java/com/baeldung/download/FileDownload.java similarity index 99% rename from core-java-modules/core-java-io/src/main/java/com/baeldung/download/FileDownload.java rename to core-java-modules/core-java-networking-2/src/main/java/com/baeldung/download/FileDownload.java index a099406d4c..ebcf7a70f7 100644 --- a/core-java-modules/core-java-io/src/main/java/com/baeldung/download/FileDownload.java +++ b/core-java-modules/core-java-networking-2/src/main/java/com/baeldung/download/FileDownload.java @@ -4,7 +4,7 @@ import org.apache.commons.io.FileUtils; import org.asynchttpclient.*; import java.io.*; -import java.net.*; +import java.net.URL; import java.nio.channels.Channels; import java.nio.channels.FileChannel; import java.nio.channels.ReadableByteChannel; diff --git a/core-java-modules/core-java-io/src/main/java/com/baeldung/download/ResumableDownload.java b/core-java-modules/core-java-networking-2/src/main/java/com/baeldung/download/ResumableDownload.java similarity index 100% rename from core-java-modules/core-java-io/src/main/java/com/baeldung/download/ResumableDownload.java rename to core-java-modules/core-java-networking-2/src/main/java/com/baeldung/download/ResumableDownload.java diff --git a/core-java-modules/core-java-io/src/test/java/com/baeldung/download/FileDownloadIntegrationTest.java b/core-java-modules/core-java-networking-2/src/test/java/com/baeldung/download/FileDownloadIntegrationTest.java similarity index 98% rename from core-java-modules/core-java-io/src/test/java/com/baeldung/download/FileDownloadIntegrationTest.java rename to core-java-modules/core-java-networking-2/src/test/java/com/baeldung/download/FileDownloadIntegrationTest.java index 81ac391958..16017ee482 100644 --- a/core-java-modules/core-java-io/src/test/java/com/baeldung/download/FileDownloadIntegrationTest.java +++ b/core-java-modules/core-java-networking-2/src/test/java/com/baeldung/download/FileDownloadIntegrationTest.java @@ -1,8 +1,10 @@ package com.baeldung.download; -import static org.junit.Assert.assertThat; -import static org.junit.Assert.assertTrue; +import org.junit.After; +import org.junit.BeforeClass; +import org.junit.Test; +import javax.xml.bind.DatatypeConverter; import java.io.IOException; import java.net.URISyntaxException; import java.nio.file.Files; @@ -11,11 +13,7 @@ import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; import java.util.concurrent.ExecutionException; -import javax.xml.bind.DatatypeConverter; - -import org.junit.After; -import org.junit.BeforeClass; -import org.junit.Test; +import static org.junit.Assert.assertTrue; public class FileDownloadIntegrationTest { diff --git a/core-java-modules/core-java-nio-2/README.md b/core-java-modules/core-java-nio-2/README.md new file mode 100644 index 0000000000..8b29c97385 --- /dev/null +++ b/core-java-modules/core-java-nio-2/README.md @@ -0,0 +1,11 @@ +## Core Java NIO + +This module contains articles about core Java non-blocking input and output (IO) + +## Relevant Articles: + +- [A Guide to WatchService in Java NIO2](https://www.baeldung.com/java-nio2-watchservice) +- [Create a Symbolic Link with Java](https://www.baeldung.com/java-symlink) +- [Introduction to the Java NIO Selector](https://www.baeldung.com/java-nio-selector) +- [Using Java MappedByteBuffer](https://www.baeldung.com/java-mapped-byte-buffer) +- [[<-- Prev]](/core-java-modules/core-java-nio) \ No newline at end of file diff --git a/core-java-modules/core-java-nio-2/pom.xml b/core-java-modules/core-java-nio-2/pom.xml new file mode 100644 index 0000000000..c1fa423b38 --- /dev/null +++ b/core-java-modules/core-java-nio-2/pom.xml @@ -0,0 +1,17 @@ + + 4.0.0 + core-java-nio-2 + 0.1.0-SNAPSHOT + core-java-nio-2 + jar + + + com.baeldung + parent-java + 0.0.1-SNAPSHOT + ../../parent-java + + + \ No newline at end of file diff --git a/core-java-modules/core-java-io/src/main/java/com/baeldung/java/nio/selector/EchoClient.java b/core-java-modules/core-java-nio-2/src/main/java/com/baeldung/selector/EchoClient.java similarity index 96% rename from core-java-modules/core-java-io/src/main/java/com/baeldung/java/nio/selector/EchoClient.java rename to core-java-modules/core-java-nio-2/src/main/java/com/baeldung/selector/EchoClient.java index 61f339db58..dd0a15ac7e 100644 --- a/core-java-modules/core-java-io/src/main/java/com/baeldung/java/nio/selector/EchoClient.java +++ b/core-java-modules/core-java-nio-2/src/main/java/com/baeldung/selector/EchoClient.java @@ -1,4 +1,4 @@ -package com.baeldung.java.nio.selector; +package com.baeldung.selector; import java.io.IOException; import java.net.InetSocketAddress; diff --git a/core-java-modules/core-java-io/src/main/java/com/baeldung/java/nio/selector/EchoServer.java b/core-java-modules/core-java-nio-2/src/main/java/com/baeldung/selector/EchoServer.java similarity index 98% rename from core-java-modules/core-java-io/src/main/java/com/baeldung/java/nio/selector/EchoServer.java rename to core-java-modules/core-java-nio-2/src/main/java/com/baeldung/selector/EchoServer.java index 7c1e291646..8cf2e941fe 100644 --- a/core-java-modules/core-java-io/src/main/java/com/baeldung/java/nio/selector/EchoServer.java +++ b/core-java-modules/core-java-nio-2/src/main/java/com/baeldung/selector/EchoServer.java @@ -1,4 +1,4 @@ -package com.baeldung.java.nio.selector; +package com.baeldung.selector; import java.io.File; import java.io.IOException; diff --git a/core-java-modules/core-java-io/src/main/java/com/baeldung/symlink/SymLinkExample.java b/core-java-modules/core-java-nio-2/src/main/java/com/baeldung/symlink/SymLinkExample.java similarity index 93% rename from core-java-modules/core-java-io/src/main/java/com/baeldung/symlink/SymLinkExample.java rename to core-java-modules/core-java-nio-2/src/main/java/com/baeldung/symlink/SymLinkExample.java index 63ee0f14b1..4c2c47e085 100644 --- a/core-java-modules/core-java-io/src/main/java/com/baeldung/symlink/SymLinkExample.java +++ b/core-java-modules/core-java-nio-2/src/main/java/com/baeldung/symlink/SymLinkExample.java @@ -6,9 +6,11 @@ import java.nio.file.DirectoryStream; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; -import static java.nio.file.StandardOpenOption.*; import java.util.stream.IntStream; +import static java.nio.file.StandardOpenOption.CREATE; +import static java.nio.file.StandardOpenOption.TRUNCATE_EXISTING; + public class SymLinkExample { public void createSymbolicLink(Path link, Path target) throws IOException { diff --git a/core-java-modules/core-java-io/src/main/java/com/baeldung/java/nio2/watcher/DirectoryWatcherExample.java b/core-java-modules/core-java-nio-2/src/main/java/com/baeldung/watcher/DirectoryWatcherExample.java similarity index 74% rename from core-java-modules/core-java-io/src/main/java/com/baeldung/java/nio2/watcher/DirectoryWatcherExample.java rename to core-java-modules/core-java-nio-2/src/main/java/com/baeldung/watcher/DirectoryWatcherExample.java index 4c35ffdb22..e8a2a401ab 100644 --- a/core-java-modules/core-java-io/src/main/java/com/baeldung/java/nio2/watcher/DirectoryWatcherExample.java +++ b/core-java-modules/core-java-nio-2/src/main/java/com/baeldung/watcher/DirectoryWatcherExample.java @@ -1,13 +1,7 @@ -package com.baeldung.java.nio2.watcher; +package com.baeldung.watcher; import java.io.IOException; -import java.nio.file.FileSystems; -import java.nio.file.Path; -import java.nio.file.Paths; -import java.nio.file.StandardWatchEventKinds; -import java.nio.file.WatchEvent; -import java.nio.file.WatchKey; -import java.nio.file.WatchService; +import java.nio.file.*; public class DirectoryWatcherExample { diff --git a/core-java-modules/core-java-io/src/test/java/com/baeldung/mappedbytebuffer/MappedByteBufferUnitTest.java b/core-java-modules/core-java-nio-2/src/test/java/com/baeldung/mappedbytebuffer/MappedByteBufferUnitTest.java similarity index 100% rename from core-java-modules/core-java-io/src/test/java/com/baeldung/mappedbytebuffer/MappedByteBufferUnitTest.java rename to core-java-modules/core-java-nio-2/src/test/java/com/baeldung/mappedbytebuffer/MappedByteBufferUnitTest.java diff --git a/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio/selector/NioEchoLiveTest.java b/core-java-modules/core-java-nio-2/src/test/java/com/baeldung/selector/NioEchoLiveTest.java similarity index 87% rename from core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio/selector/NioEchoLiveTest.java rename to core-java-modules/core-java-nio-2/src/test/java/com/baeldung/selector/NioEchoLiveTest.java index 0e1afa87a5..39deb798e5 100644 --- a/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio/selector/NioEchoLiveTest.java +++ b/core-java-modules/core-java-nio-2/src/test/java/com/baeldung/selector/NioEchoLiveTest.java @@ -1,13 +1,15 @@ -package com.baeldung.java.nio.selector; - -import static org.junit.Assert.assertEquals; - -import java.io.IOException; +package com.baeldung.selector; +import com.baeldung.selector.EchoClient; +import com.baeldung.selector.EchoServer; import org.junit.After; import org.junit.Before; import org.junit.Test; +import java.io.IOException; + +import static org.junit.Assert.assertEquals; + public class NioEchoLiveTest { private Process server; diff --git a/core-java-modules/core-java-io/src/test/java/com/baeldung/symlink/SymLinkExampleManualTest.java b/core-java-modules/core-java-nio-2/src/test/java/com/baeldung/symlink/SymLinkExampleManualTest.java similarity index 100% rename from core-java-modules/core-java-io/src/test/java/com/baeldung/symlink/SymLinkExampleManualTest.java rename to core-java-modules/core-java-nio-2/src/test/java/com/baeldung/symlink/SymLinkExampleManualTest.java index caa7049475..e6723e719c 100644 --- a/core-java-modules/core-java-io/src/test/java/com/baeldung/symlink/SymLinkExampleManualTest.java +++ b/core-java-modules/core-java-nio-2/src/test/java/com/baeldung/symlink/SymLinkExampleManualTest.java @@ -1,13 +1,13 @@ package com.baeldung.symlink; -import static org.junit.Assert.*; +import org.junit.Test; import java.io.IOException; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; -import org.junit.Test; +import static org.junit.Assert.*; public class SymLinkExampleManualTest { diff --git a/core-java-modules/core-java-io/src/test/resources/fileToRead.txt b/core-java-modules/core-java-nio-2/src/test/resources/fileToRead.txt similarity index 100% rename from core-java-modules/core-java-io/src/test/resources/fileToRead.txt rename to core-java-modules/core-java-nio-2/src/test/resources/fileToRead.txt diff --git a/core-java-modules/core-java-io/src/test/resources/fileToWriteTo.txt b/core-java-modules/core-java-nio-2/src/test/resources/fileToWriteTo.txt similarity index 100% rename from core-java-modules/core-java-io/src/test/resources/fileToWriteTo.txt rename to core-java-modules/core-java-nio-2/src/test/resources/fileToWriteTo.txt diff --git a/core-java-modules/core-java-nio/README.md b/core-java-modules/core-java-nio/README.md index 0683439b86..b64a436957 100644 --- a/core-java-modules/core-java-nio/README.md +++ b/core-java-modules/core-java-nio/README.md @@ -6,3 +6,12 @@ This module contains articles about core Java non-blocking input and output (IO) - [Determine File Creation Date in Java](https://www.baeldung.com/java-file-creation-date) - [Find the Number of Lines in a File Using Java](https://www.baeldung.com/java-file-number-of-lines) +- [A Guide to NIO2 Asynchronous File Channel](https://www.baeldung.com/java-nio2-async-file-channel) +- [A Guide to NIO2 FileVisitor](https://www.baeldung.com/java-nio2-file-visitor) +- [Guide to Java FileChannel](https://www.baeldung.com/java-filechannel) +- [A Guide to NIO2 File Attribute APIs](https://www.baeldung.com/java-nio2-file-attribute) +- [Introduction to the Java NIO2 File API](https://www.baeldung.com/java-nio-2-file-api) +- [Java NIO2 Path API](https://www.baeldung.com/java-nio-2-path) +- [Guide to Java NIO2 Asynchronous Channel APIs](https://www.baeldung.com/java-nio-2-async-channels) +- [A Guide to NIO2 Asynchronous Socket Channel](https://www.baeldung.com/java-nio2-async-socket-channel) +- [[More -->]](/core-java-modules/core-java-nio-2) diff --git a/core-java-modules/core-java-nio/pom.xml b/core-java-modules/core-java-nio/pom.xml index 31433e632f..da8759a956 100644 --- a/core-java-modules/core-java-nio/pom.xml +++ b/core-java-modules/core-java-nio/pom.xml @@ -13,4 +13,5 @@ 0.0.1-SNAPSHOT ../../parent-java + \ No newline at end of file diff --git a/core-java-modules/core-java-io/src/main/java/com/baeldung/java/nio2/visitor/FileSearchExample.java b/core-java-modules/core-java-nio/src/main/java/com/baeldung/filevisitor/FileSearchExample.java similarity index 97% rename from core-java-modules/core-java-io/src/main/java/com/baeldung/java/nio2/visitor/FileSearchExample.java rename to core-java-modules/core-java-nio/src/main/java/com/baeldung/filevisitor/FileSearchExample.java index b1b790f541..b49d6eb570 100644 --- a/core-java-modules/core-java-io/src/main/java/com/baeldung/java/nio2/visitor/FileSearchExample.java +++ b/core-java-modules/core-java-nio/src/main/java/com/baeldung/filevisitor/FileSearchExample.java @@ -1,4 +1,4 @@ -package com.baeldung.java.nio2.visitor; +package com.baeldung.filevisitor; import java.io.IOException; import java.nio.file.*; diff --git a/core-java-modules/core-java-io/src/main/java/com/baeldung/java/nio2/visitor/FileVisitorImpl.java b/core-java-modules/core-java-nio/src/main/java/com/baeldung/filevisitor/FileVisitorImpl.java similarity index 94% rename from core-java-modules/core-java-io/src/main/java/com/baeldung/java/nio2/visitor/FileVisitorImpl.java rename to core-java-modules/core-java-nio/src/main/java/com/baeldung/filevisitor/FileVisitorImpl.java index aa769b5091..d86264720f 100644 --- a/core-java-modules/core-java-io/src/main/java/com/baeldung/java/nio2/visitor/FileVisitorImpl.java +++ b/core-java-modules/core-java-nio/src/main/java/com/baeldung/filevisitor/FileVisitorImpl.java @@ -1,4 +1,4 @@ -package com.baeldung.java.nio2.visitor; +package com.baeldung.filevisitor; import java.io.IOException; import java.nio.file.FileVisitResult; diff --git a/core-java-modules/core-java-nio/src/main/java/com/baeldung/file/Main.java b/core-java-modules/core-java-nio/src/main/java/com/baeldung/lines/Main.java similarity index 62% rename from core-java-modules/core-java-nio/src/main/java/com/baeldung/file/Main.java rename to core-java-modules/core-java-nio/src/main/java/com/baeldung/lines/Main.java index d8800dd881..5aa0968ab9 100644 --- a/core-java-modules/core-java-nio/src/main/java/com/baeldung/file/Main.java +++ b/core-java-modules/core-java-nio/src/main/java/com/baeldung/lines/Main.java @@ -1,13 +1,13 @@ -package com.baeldung.file; +package com.baeldung.lines; -import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingApacheCommonsIO; -import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingBufferedReader; -import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingGoogleGuava; -import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingLineNumberReader; -import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingNIOFileChannel; -import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingNIOFiles; -import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingNIOFilesReadAllLines; -import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingScanner; +import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingApacheCommonsIO; +import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingBufferedReader; +import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingGoogleGuava; +import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingLineNumberReader; +import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingNIOFileChannel; +import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingNIOFiles; +import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingNIOFilesReadAllLines; +import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingScanner; public class Main { diff --git a/core-java-modules/core-java-nio/src/main/java/com/baeldung/file/NumberOfLineFinder.java b/core-java-modules/core-java-nio/src/main/java/com/baeldung/lines/NumberOfLineFinder.java similarity index 99% rename from core-java-modules/core-java-nio/src/main/java/com/baeldung/file/NumberOfLineFinder.java rename to core-java-modules/core-java-nio/src/main/java/com/baeldung/lines/NumberOfLineFinder.java index 3abf82f3fa..b355295dab 100644 --- a/core-java-modules/core-java-nio/src/main/java/com/baeldung/file/NumberOfLineFinder.java +++ b/core-java-modules/core-java-nio/src/main/java/com/baeldung/lines/NumberOfLineFinder.java @@ -1,4 +1,4 @@ -package com.baeldung.file; +package com.baeldung.lines; import java.io.BufferedReader; import java.io.File; diff --git a/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/async/AsyncEchoClient.java b/core-java-modules/core-java-nio/src/test/java/com/baeldung/async/AsyncEchoClient.java similarity index 98% rename from core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/async/AsyncEchoClient.java rename to core-java-modules/core-java-nio/src/test/java/com/baeldung/async/AsyncEchoClient.java index ebab715306..f42f5cdeca 100644 --- a/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/async/AsyncEchoClient.java +++ b/core-java-modules/core-java-nio/src/test/java/com/baeldung/async/AsyncEchoClient.java @@ -1,4 +1,4 @@ -package com.baeldung.java.nio2.async; +package com.baeldung.async; import org.slf4j.Logger; import org.slf4j.LoggerFactory; diff --git a/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/async/AsyncEchoIntegrationTest.java b/core-java-modules/core-java-nio/src/test/java/com/baeldung/async/AsyncEchoIntegrationTest.java similarity index 95% rename from core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/async/AsyncEchoIntegrationTest.java rename to core-java-modules/core-java-nio/src/test/java/com/baeldung/async/AsyncEchoIntegrationTest.java index 3cfac0e90f..42053cea96 100644 --- a/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/async/AsyncEchoIntegrationTest.java +++ b/core-java-modules/core-java-nio/src/test/java/com/baeldung/async/AsyncEchoIntegrationTest.java @@ -1,4 +1,4 @@ -package com.baeldung.java.nio2.async; +package com.baeldung.async; import org.junit.After; import org.junit.Before; diff --git a/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/async/AsyncEchoServer.java b/core-java-modules/core-java-nio/src/test/java/com/baeldung/async/AsyncEchoServer.java similarity index 98% rename from core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/async/AsyncEchoServer.java rename to core-java-modules/core-java-nio/src/test/java/com/baeldung/async/AsyncEchoServer.java index 01873b344a..b3f8151b7e 100644 --- a/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/async/AsyncEchoServer.java +++ b/core-java-modules/core-java-nio/src/test/java/com/baeldung/async/AsyncEchoServer.java @@ -1,4 +1,4 @@ -package com.baeldung.java.nio2.async; +package com.baeldung.async; import java.io.File; import java.io.IOException; diff --git a/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/async/AsyncEchoServer2.java b/core-java-modules/core-java-nio/src/test/java/com/baeldung/async/AsyncEchoServer2.java similarity index 98% rename from core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/async/AsyncEchoServer2.java rename to core-java-modules/core-java-nio/src/test/java/com/baeldung/async/AsyncEchoServer2.java index 663fc4f2ed..15b98cbf6e 100644 --- a/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/async/AsyncEchoServer2.java +++ b/core-java-modules/core-java-nio/src/test/java/com/baeldung/async/AsyncEchoServer2.java @@ -1,4 +1,4 @@ -package com.baeldung.java.nio2.async; +package com.baeldung.async; import java.io.File; import java.io.IOException; diff --git a/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/async/AsyncFileIntegrationTest.java b/core-java-modules/core-java-nio/src/test/java/com/baeldung/asyncfilechannel/AsyncFileChannelIntegrationTest.java similarity index 98% rename from core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/async/AsyncFileIntegrationTest.java rename to core-java-modules/core-java-nio/src/test/java/com/baeldung/asyncfilechannel/AsyncFileChannelIntegrationTest.java index cf37b92565..68f0afec95 100644 --- a/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/async/AsyncFileIntegrationTest.java +++ b/core-java-modules/core-java-nio/src/test/java/com/baeldung/asyncfilechannel/AsyncFileChannelIntegrationTest.java @@ -1,4 +1,4 @@ -package com.baeldung.java.nio2.async; +package com.baeldung.asyncfilechannel; import org.junit.Test; @@ -16,7 +16,7 @@ import java.util.concurrent.Future; import static org.junit.Assert.assertEquals; -public class AsyncFileIntegrationTest { +public class AsyncFileChannelIntegrationTest { @Test public void givenPath_whenReadsContentWithFuture_thenCorrect() throws IOException, ExecutionException, InterruptedException { diff --git a/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/attributes/BasicAttribsIntegrationTest.java b/core-java-modules/core-java-nio/src/test/java/com/baeldung/attributes/BasicAttribsIntegrationTest.java similarity index 98% rename from core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/attributes/BasicAttribsIntegrationTest.java rename to core-java-modules/core-java-nio/src/test/java/com/baeldung/attributes/BasicAttribsIntegrationTest.java index 4b6302e93c..a1f05d107f 100644 --- a/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/attributes/BasicAttribsIntegrationTest.java +++ b/core-java-modules/core-java-nio/src/test/java/com/baeldung/attributes/BasicAttribsIntegrationTest.java @@ -1,4 +1,4 @@ -package com.baeldung.java.nio2.attributes; +package com.baeldung.attributes; import org.junit.BeforeClass; import org.junit.Test; diff --git a/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/FileIntegrationTest.java b/core-java-modules/core-java-nio/src/test/java/com/baeldung/file/FileIntegrationTest.java similarity index 99% rename from core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/FileIntegrationTest.java rename to core-java-modules/core-java-nio/src/test/java/com/baeldung/file/FileIntegrationTest.java index d1cf81e4ce..1ae84a4dcf 100644 --- a/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/FileIntegrationTest.java +++ b/core-java-modules/core-java-nio/src/test/java/com/baeldung/file/FileIntegrationTest.java @@ -1,4 +1,4 @@ -package com.baeldung.java.nio2; +package com.baeldung.file; import org.apache.commons.io.FileUtils; import org.junit.AfterClass; diff --git a/core-java-modules/core-java-nio/src/test/java/com/baeldung/file/NumberOfLineFinderUnitTest.java b/core-java-modules/core-java-nio/src/test/java/com/baeldung/lines/NumberOfLineFinderUnitTest.java similarity index 71% rename from core-java-modules/core-java-nio/src/test/java/com/baeldung/file/NumberOfLineFinderUnitTest.java rename to core-java-modules/core-java-nio/src/test/java/com/baeldung/lines/NumberOfLineFinderUnitTest.java index 40ed6d6bba..661b42accd 100644 --- a/core-java-modules/core-java-nio/src/test/java/com/baeldung/file/NumberOfLineFinderUnitTest.java +++ b/core-java-modules/core-java-nio/src/test/java/com/baeldung/lines/NumberOfLineFinderUnitTest.java @@ -1,13 +1,13 @@ -package com.baeldung.file; +package com.baeldung.lines; -import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingApacheCommonsIO; -import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingBufferedReader; -import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingGoogleGuava; -import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingLineNumberReader; -import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingNIOFileChannel; -import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingNIOFiles; -import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingNIOFilesReadAllLines; -import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingScanner; +import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingApacheCommonsIO; +import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingBufferedReader; +import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingGoogleGuava; +import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingLineNumberReader; +import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingNIOFileChannel; +import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingNIOFiles; +import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingNIOFilesReadAllLines; +import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingScanner; import static org.junit.Assert.assertEquals; import org.junit.Test; diff --git a/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/PathManualTest.java b/core-java-modules/core-java-nio/src/test/java/com/baeldung/path/PathManualTest.java similarity index 97% rename from core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/PathManualTest.java rename to core-java-modules/core-java-nio/src/test/java/com/baeldung/path/PathManualTest.java index 969dff1da2..7017fd42e7 100644 --- a/core-java-modules/core-java-io/src/test/java/com/baeldung/java/nio2/PathManualTest.java +++ b/core-java-modules/core-java-nio/src/test/java/com/baeldung/path/PathManualTest.java @@ -1,8 +1,6 @@ -package com.baeldung.java.nio2; +package com.baeldung.path; -import static org.junit.Assert.assertEquals; -import static org.junit.Assert.assertFalse; -import static org.junit.Assert.assertTrue; +import org.junit.Test; import java.io.IOException; import java.net.URI; @@ -10,7 +8,7 @@ import java.nio.file.NoSuchFileException; import java.nio.file.Path; import java.nio.file.Paths; -import org.junit.Test; +import static org.junit.Assert.*; public class PathManualTest { diff --git a/core-java-modules/core-java-nio/src/test/resources/.gitignore b/core-java-modules/core-java-nio/src/test/resources/.gitignore deleted file mode 100644 index 83c05e60c8..0000000000 --- a/core-java-modules/core-java-nio/src/test/resources/.gitignore +++ /dev/null @@ -1,13 +0,0 @@ -*.class - -#folders# -/target -/neoDb* -/data -/src/main/webapp/WEB-INF/classes -*/META-INF/* - -# Packaged files # -*.jar -*.war -*.ear \ No newline at end of file diff --git a/core-java-modules/core-java-nio/src/test/resources/file.txt b/core-java-modules/core-java-nio/src/test/resources/file.txt new file mode 100644 index 0000000000..558d8bbf35 --- /dev/null +++ b/core-java-modules/core-java-nio/src/test/resources/file.txt @@ -0,0 +1 @@ +baeldung.com \ No newline at end of file diff --git a/libraries-3/README.md b/libraries-3/README.md new file mode 100644 index 0000000000..a6c6b190ab --- /dev/null +++ b/libraries-3/README.md @@ -0,0 +1,9 @@ +## Libraries-3 + +This module contains articles about various Java libraries. +These are small libraries that are relatively easy to use and do not require any separate module of their own. + +The code examples related to different libraries are each in their own module. + +Remember, for advanced libraries like [Jackson](/jackson) and [JUnit](/testing-modules) we already have separate modules. Please make sure to have a look at the existing modules in such cases. + diff --git a/libraries-3/pom.xml b/libraries-3/pom.xml new file mode 100644 index 0000000000..214e87287d --- /dev/null +++ b/libraries-3/pom.xml @@ -0,0 +1,51 @@ + + + 4.0.0 + libraries-3 + libraries-3 + + + com.baeldung + parent-modules + 1.0.0-SNAPSHOT + + + + + jboss-public-repository-group + JBoss Public Repository Group + http://repository.jboss.org/nexus/content/groups/public/ + + true + never + + + true + daily + + + + + + + com.beust + jcommander + ${jcommander.version} + + + org.projectlombok + lombok + ${lombok.version} + + + + + 1.78 + 1.18.6 + UTF-8 + 1.8 + 1.8 + + diff --git a/libraries-3/src/main/java/com/baeldung/jcommander/helloworld/HelloWorldApp.java b/libraries-3/src/main/java/com/baeldung/jcommander/helloworld/HelloWorldApp.java new file mode 100644 index 0000000000..56a74ecf21 --- /dev/null +++ b/libraries-3/src/main/java/com/baeldung/jcommander/helloworld/HelloWorldApp.java @@ -0,0 +1,37 @@ +package com.baeldung.jcommander.helloworld; + +import com.beust.jcommander.JCommander; +import com.beust.jcommander.Parameter; + +public class HelloWorldApp { + + /* + * Execute: + * mvn exec:java -Dexec.mainClass=com.baeldung.jcommander.helloworld.HelloWorldApp -q \ + * -Dexec.args="--name JavaWorld" + */ + public static void main(String[] args) { + HelloWorldArgs jArgs = new HelloWorldArgs(); + JCommander helloCmd = JCommander + .newBuilder() + .addObject(jArgs) + .build(); + + helloCmd.parse(args); + System.out.println("Hello " + jArgs.getName()); + } +} + +class HelloWorldArgs { + + @Parameter( + names = "--name", + description = "User name", + required = true + ) + private String name; + + public String getName() { + return name; + } +} diff --git a/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/UsageBasedBillingApp.java b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/UsageBasedBillingApp.java new file mode 100644 index 0000000000..029e7eed01 --- /dev/null +++ b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/UsageBasedBillingApp.java @@ -0,0 +1,23 @@ +package com.baeldung.jcommander.usagebilling; + +import com.baeldung.jcommander.usagebilling.cli.UsageBasedBilling; + +public class UsageBasedBillingApp { + + /* + * Entry-point: invokes the cli passing the command-line args + * + * Invoking "Submit" sub-command: + * mvn exec:java \ + -Dexec.mainClass=com.baeldung.jcommander.usagebilling.UsageBasedBillingApp -q \ + -Dexec.args="submit --customer cb898e7a-f2a0-46d2-9a09-531f1cee1839 --subscription subscriptionPQRMN001 --pricing-type PRE_RATED --timestamp 2019-10-03T10:58:00 --quantity 7 --price 24.56" + * + * Invoking "Fetch" sub-command: + * mvn exec:java \ + -Dexec.mainClass=com.baeldung.jcommander.usagebilling.UsageBasedBillingApp -q \ + -Dexec.args="fetch --customer cb898e7a-f2a0-46d2-9a09-531f1cee1839 --subscription subscriptionPQRMN001 subscriptionPQRMN002 subscriptionPQRMN003 --itemized" + */ + public static void main(String[] args) { + new UsageBasedBilling().run(args); + } +} diff --git a/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/cli/FetchCurrentChargesCommand.java b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/cli/FetchCurrentChargesCommand.java new file mode 100644 index 0000000000..ea6b18af53 --- /dev/null +++ b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/cli/FetchCurrentChargesCommand.java @@ -0,0 +1,67 @@ +package com.baeldung.jcommander.usagebilling.cli; + +import com.baeldung.jcommander.usagebilling.cli.splitter.ColonParameterSplitter; +import com.baeldung.jcommander.usagebilling.cli.validator.UUIDValidator; +import com.baeldung.jcommander.usagebilling.model.CurrentChargesRequest; +import com.baeldung.jcommander.usagebilling.model.CurrentChargesResponse; +import com.baeldung.jcommander.usagebilling.service.FetchCurrentChargesService; +import com.beust.jcommander.Parameter; +import com.beust.jcommander.Parameters; +import lombok.Getter; + +import java.util.List; + +import static com.baeldung.jcommander.usagebilling.cli.UsageBasedBilling.*; +import static com.baeldung.jcommander.usagebilling.service.FetchCurrentChargesService.getDefault; + +@Parameters( + commandNames = { FETCH_CMD }, + commandDescription = "Fetch charges for a customer in the current month, can be itemized or aggregated" +) +@Getter +class FetchCurrentChargesCommand { + + FetchCurrentChargesCommand() { + } + + private FetchCurrentChargesService service = getDefault(); + + @Parameter(names = "--help", help = true) + private boolean help; + + @Parameter( + names = { "--customer", "-C" }, + description = "Id of the Customer who's using the services", + validateWith = UUIDValidator.class, + order = 1, + required = true + ) + private String customerId; + + @Parameter( + names = { "--subscription", "-S" }, + description = "Filter charges for specific subscription Ids, includes all subscriptions if no value is specified", + variableArity = true, + splitter = ColonParameterSplitter.class, + order = 2 + ) + private List subscriptionIds; + + @Parameter( + names = { "--itemized" }, + description = "Whether the response should contain breakdown by subscription, only aggregate values are returned by default", + order = 3 + ) + private boolean itemized; + + void fetch() { + CurrentChargesRequest req = CurrentChargesRequest.builder() + .customerId(customerId) + .subscriptionIds(subscriptionIds) + .itemized(itemized) + .build(); + + CurrentChargesResponse response = service.fetch(req); + System.out.println(response); + } +} diff --git a/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/cli/SubmitUsageCommand.java b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/cli/SubmitUsageCommand.java new file mode 100644 index 0000000000..d3516b19d3 --- /dev/null +++ b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/cli/SubmitUsageCommand.java @@ -0,0 +1,96 @@ +package com.baeldung.jcommander.usagebilling.cli; + +import com.baeldung.jcommander.usagebilling.cli.converter.ISO8601TimestampConverter; +import com.baeldung.jcommander.usagebilling.cli.validator.UUIDValidator; +import com.baeldung.jcommander.usagebilling.model.UsageRequest; +import com.baeldung.jcommander.usagebilling.model.UsageRequest.PricingType; +import com.baeldung.jcommander.usagebilling.service.SubmitUsageService; +import com.beust.jcommander.Parameter; +import com.beust.jcommander.Parameters; +import lombok.Getter; + +import java.math.BigDecimal; +import java.time.Instant; + +import static com.baeldung.jcommander.usagebilling.cli.UsageBasedBilling.*; +import static com.baeldung.jcommander.usagebilling.service.SubmitUsageService.getDefault; + +@Parameters( + commandNames = { SUBMIT_CMD }, + commandDescription = "Submit usage for a given customer and subscription, accepts one usage item" +) +@Getter +class SubmitUsageCommand { + + SubmitUsageCommand() { + } + + private SubmitUsageService service = getDefault(); + + @Parameter(names = "--help", help = true) + private boolean help; + + @Parameter( + names = { "--customer", "-C" }, + description = "Id of the Customer who's using the services", + validateWith = UUIDValidator.class, + order = 1, + required = true + ) + private String customerId; + + @Parameter( + names = { "--subscription", "-S" }, + description = "Id of the Subscription that was purchased", + order = 2, + required = true + ) + private String subscriptionId; + + @Parameter( + names = { "--pricing-type", "-P" }, + description = "Pricing type of the usage reported", + order = 3, + required = true + ) + private PricingType pricingType; + + @Parameter( + names = { "--quantity" }, + description = "Used quantity; reported quantity is added over the billing period", + order = 3, + required = true + ) + private Integer quantity; + + @Parameter( + names = { "--timestamp" }, + description = "Timestamp of the usage event, must lie in the current billing period", + converter = ISO8601TimestampConverter.class, + order = 4, + required = true + ) + private Instant timestamp; + + @Parameter( + names = { "--price" }, + description = "If PRE_RATED, unit price to be applied per unit of usage quantity reported", + order = 5 + ) + private BigDecimal price; + + void submit() { + + UsageRequest req = UsageRequest.builder() + .customerId(customerId) + .subscriptionId(subscriptionId) + .pricingType(pricingType) + .quantity(quantity) + .timestamp(timestamp) + .price(price) + .build(); + + String reqId = service.submit(req); + System.out.println("Generated Request Id for reference: " + reqId); + } +} diff --git a/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/cli/UsageBasedBilling.java b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/cli/UsageBasedBilling.java new file mode 100644 index 0000000000..a531a68644 --- /dev/null +++ b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/cli/UsageBasedBilling.java @@ -0,0 +1,80 @@ +package com.baeldung.jcommander.usagebilling.cli; + +import com.beust.jcommander.JCommander; +import com.beust.jcommander.ParameterException; +import com.beust.jcommander.UnixStyleUsageFormatter; + +public class UsageBasedBilling { + + static final String SUBMIT_CMD = "submit"; + static final String FETCH_CMD = "fetch"; + + private JCommander jCommander; + private SubmitUsageCommand submitUsageCmd; + private FetchCurrentChargesCommand fetchChargesCmd; + + public UsageBasedBilling() { + this.submitUsageCmd = new SubmitUsageCommand(); + this.fetchChargesCmd = new FetchCurrentChargesCommand(); + jCommander = JCommander.newBuilder() + .addObject(this) + .addCommand(submitUsageCmd) + .addCommand(fetchChargesCmd) + .build(); + + setUsageFormatter(SUBMIT_CMD); + setUsageFormatter(FETCH_CMD); + } + + public void run(String[] args) { + String parsedCmdStr; + try { + jCommander.parse(args); + parsedCmdStr = jCommander.getParsedCommand(); + + switch (parsedCmdStr) { + case SUBMIT_CMD: + if (submitUsageCmd.isHelp()) { + getSubCommandHandle(SUBMIT_CMD).usage(); + } + System.out.println("Parsing usage request..."); + submitUsageCmd.submit(); + break; + + case FETCH_CMD: + if (fetchChargesCmd.isHelp()) { + getSubCommandHandle(SUBMIT_CMD).usage(); + } + System.out.println("Preparing fetch query..."); + fetchChargesCmd.fetch(); + + break; + + default: + System.err.println("Invalid command: " + parsedCmdStr); + } + } catch (ParameterException e) { + System.err.println(e.getLocalizedMessage()); + parsedCmdStr = jCommander.getParsedCommand(); + if (parsedCmdStr != null) { + getSubCommandHandle(parsedCmdStr).usage(); + } else { + jCommander.usage(); + } + } + } + + private JCommander getSubCommandHandle(String command) { + JCommander cmd = jCommander.getCommands().get(command); + + if (cmd == null) { + System.err.println("Invalid command: " + command); + } + return cmd; + } + + private void setUsageFormatter(String subCommand) { + JCommander cmd = getSubCommandHandle(subCommand); + cmd.setUsageFormatter(new UnixStyleUsageFormatter(cmd)); + } +} diff --git a/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/cli/converter/ISO8601TimestampConverter.java b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/cli/converter/ISO8601TimestampConverter.java new file mode 100644 index 0000000000..e54865a811 --- /dev/null +++ b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/cli/converter/ISO8601TimestampConverter.java @@ -0,0 +1,33 @@ +package com.baeldung.jcommander.usagebilling.cli.converter; + +import com.beust.jcommander.ParameterException; +import com.beust.jcommander.converters.BaseConverter; + +import java.time.Instant; +import java.time.LocalDateTime; +import java.time.ZoneOffset; +import java.time.format.DateTimeFormatter; +import java.time.format.DateTimeParseException; + +import static java.lang.String.format; + +public class ISO8601TimestampConverter extends BaseConverter { + + private static final DateTimeFormatter TS_FORMATTER = DateTimeFormatter.ofPattern("uuuu-MM-dd'T'HH:mm:ss"); + + public ISO8601TimestampConverter(String optionName) { + super(optionName); + } + + @Override + public Instant convert(String value) { + try { + return LocalDateTime + .parse(value, TS_FORMATTER) + .atOffset(ZoneOffset.UTC) + .toInstant(); + } catch (DateTimeParseException e) { + throw new ParameterException(getErrorString(value, format("an ISO-8601 formatted timestamp (%s)", TS_FORMATTER.toString()))); + } + } +} diff --git a/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/cli/splitter/ColonParameterSplitter.java b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/cli/splitter/ColonParameterSplitter.java new file mode 100644 index 0000000000..f24c028123 --- /dev/null +++ b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/cli/splitter/ColonParameterSplitter.java @@ -0,0 +1,15 @@ +package com.baeldung.jcommander.usagebilling.cli.splitter; + +import com.beust.jcommander.converters.IParameterSplitter; + +import java.util.List; + +import static java.util.Arrays.asList; + +public class ColonParameterSplitter implements IParameterSplitter { + + @Override + public List split(String value) { + return asList(value.split(":")); + } +} diff --git a/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/cli/validator/UUIDValidator.java b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/cli/validator/UUIDValidator.java new file mode 100644 index 0000000000..a72912f7d0 --- /dev/null +++ b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/cli/validator/UUIDValidator.java @@ -0,0 +1,26 @@ +package com.baeldung.jcommander.usagebilling.cli.validator; + +import com.beust.jcommander.IParameterValidator; +import com.beust.jcommander.ParameterException; + +import java.util.regex.Pattern; + +public class UUIDValidator implements IParameterValidator { + + private static final String UUID_REGEX = + "[0-9a-fA-F]{8}(-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}"; + + @Override + public void validate(String name, String value) throws ParameterException { + if (!isValidUUID(value)) { + throw new ParameterException( + "String parameter " + value + " is not a valid UUID."); + } + } + + private boolean isValidUUID(String value) { + return Pattern + .compile(UUID_REGEX) + .matcher(value).matches(); + } +} diff --git a/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/model/CurrentChargesRequest.java b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/model/CurrentChargesRequest.java new file mode 100644 index 0000000000..93dd7a5732 --- /dev/null +++ b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/model/CurrentChargesRequest.java @@ -0,0 +1,16 @@ +package com.baeldung.jcommander.usagebilling.model; + +import lombok.*; + +import java.util.List; + +@NoArgsConstructor(access = AccessLevel.PACKAGE) +@AllArgsConstructor(access = AccessLevel.PACKAGE) +@Builder +@Getter +public class CurrentChargesRequest { + + private String customerId; + private List subscriptionIds; + private boolean itemized; +} diff --git a/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/model/CurrentChargesResponse.java b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/model/CurrentChargesResponse.java new file mode 100644 index 0000000000..865a6e4a3d --- /dev/null +++ b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/model/CurrentChargesResponse.java @@ -0,0 +1,56 @@ +package com.baeldung.jcommander.usagebilling.model; + +import lombok.*; + +import java.math.BigDecimal; +import java.math.RoundingMode; +import java.util.List; + +@NoArgsConstructor(access = AccessLevel.PACKAGE) +@AllArgsConstructor(access = AccessLevel.PACKAGE) +@Builder +@Getter +public class CurrentChargesResponse { + + private String customerId; + private BigDecimal amountDue; + private List lineItems; + + @Override + public String toString() { + StringBuilder sb = new StringBuilder(); + sb + .append("Current Month Charges: {") + .append("\n\tcustomer: ") + .append(this.customerId) + .append("\n\ttotalAmountDue: ") + .append(this.amountDue.setScale(2, RoundingMode.HALF_UP)) + .append("\n\tlineItems: ["); + + for (LineItem li : this.lineItems) { + sb + .append("\n\t\t{") + .append("\n\t\t\tsubscription: ") + .append(li.subscriptionId) + .append("\n\t\t\tamount: ") + .append(li.amount.setScale(2, RoundingMode.HALF_UP)) + .append("\n\t\t\tquantity: ") + .append(li.quantity) + .append("\n\t\t},"); + } + + sb.append("\n\t]\n}\n"); + return sb.toString(); + } + + @NoArgsConstructor(access = AccessLevel.PACKAGE) + @AllArgsConstructor(access = AccessLevel.PACKAGE) + @Builder + @Getter + public static class LineItem { + + private String subscriptionId; + private BigDecimal amount; + private Integer quantity; + } +} diff --git a/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/model/UsageRequest.java b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/model/UsageRequest.java new file mode 100644 index 0000000000..2785474acf --- /dev/null +++ b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/model/UsageRequest.java @@ -0,0 +1,50 @@ +package com.baeldung.jcommander.usagebilling.model; + +import lombok.*; + +import java.math.BigDecimal; +import java.time.Instant; + +@NoArgsConstructor(access = AccessLevel.PACKAGE) +@AllArgsConstructor(access = AccessLevel.PACKAGE) +@Builder +@Getter +public class UsageRequest { + + private String customerId; + private String subscriptionId; + private PricingType pricingType; + private Integer quantity; + private BigDecimal price; + private Instant timestamp; + + @Override + public String toString() { + StringBuilder sb = new StringBuilder(); + sb + .append("\nUsage: {") + .append("\n\tcustomer: ") + .append(this.customerId) + .append("\n\tsubscription: ") + .append(this.subscriptionId) + .append("\n\tquantity: ") + .append(this.quantity) + .append("\n\ttimestamp: ") + .append(this.timestamp) + .append("\n\tpricingType: ") + .append(this.pricingType); + + if (PricingType.PRE_RATED == this.pricingType) { + sb + .append("\n\tpreRatedAt: ") + .append(this.price); + } + + sb.append("\n}\n"); + return sb.toString(); + } + + public enum PricingType { + PRE_RATED, UNRATED + } +} diff --git a/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/service/DefaultFetchCurrentChargesService.java b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/service/DefaultFetchCurrentChargesService.java new file mode 100644 index 0000000000..6436d49875 --- /dev/null +++ b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/service/DefaultFetchCurrentChargesService.java @@ -0,0 +1,68 @@ +package com.baeldung.jcommander.usagebilling.service; + +import com.baeldung.jcommander.usagebilling.model.CurrentChargesRequest; +import com.baeldung.jcommander.usagebilling.model.CurrentChargesResponse; +import com.baeldung.jcommander.usagebilling.model.CurrentChargesResponse.LineItem; + +import java.math.BigDecimal; +import java.util.List; +import java.util.UUID; + +import static java.lang.String.format; +import static java.util.Arrays.asList; +import static java.util.Arrays.fill; +import static java.util.Collections.emptyList; +import static java.util.concurrent.ThreadLocalRandom.current; +import static java.util.stream.Collectors.toList; + +class DefaultFetchCurrentChargesService implements FetchCurrentChargesService { + + @Override + public CurrentChargesResponse fetch(CurrentChargesRequest request) { + List subscriptions = request.getSubscriptionIds(); + + if (subscriptions == null || subscriptions.isEmpty()) { + System.out.println("Fetching ALL charges for customer: " + request.getCustomerId()); + subscriptions = mockSubscriptions(); + + } else { + System.out.println(format("Fetching charges for customer: %s and subscriptions: %s", request.getCustomerId(), subscriptions)); + } + + CurrentChargesResponse charges = mockCharges(request.getCustomerId(), subscriptions, request.isItemized()); + System.out.println("Fetched charges..."); + return charges; + } + + private CurrentChargesResponse mockCharges(String customerId, List subscriptions, boolean itemized) { + List lineItems = mockLineItems(subscriptions); + BigDecimal amountDue = lineItems + .stream() + .map(li -> li.getAmount()) + .reduce(new BigDecimal("0"), BigDecimal::add); + + return CurrentChargesResponse + .builder() + .customerId(customerId) + .lineItems(itemized ? lineItems : emptyList()) + .amountDue(amountDue) + .build(); + } + + private List mockLineItems(List subscriptions) { + return subscriptions + .stream() + .map(subscription -> LineItem.builder() + .subscriptionId(subscription) + .quantity(current().nextInt(20)) + .amount(new BigDecimal(current().nextDouble(1_000))) + .build()) + .collect(toList()); + } + + private List mockSubscriptions() { + String[] subscriptions = new String[5]; + fill(subscriptions, UUID.randomUUID().toString()); + return asList(subscriptions); + } +} diff --git a/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/service/DefaultSubmitUsageService.java b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/service/DefaultSubmitUsageService.java new file mode 100644 index 0000000000..44ac9e9ed7 --- /dev/null +++ b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/service/DefaultSubmitUsageService.java @@ -0,0 +1,16 @@ +package com.baeldung.jcommander.usagebilling.service; + +import com.baeldung.jcommander.usagebilling.model.UsageRequest; + +import java.util.UUID; + +class DefaultSubmitUsageService implements SubmitUsageService { + + @Override + public String submit(UsageRequest request) { + System.out.println("Submitting usage..." + request); + + System.out.println("Submitted usage successfully..."); + return UUID.randomUUID().toString(); + } +} diff --git a/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/service/FetchCurrentChargesService.java b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/service/FetchCurrentChargesService.java new file mode 100644 index 0000000000..2cc56658ff --- /dev/null +++ b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/service/FetchCurrentChargesService.java @@ -0,0 +1,13 @@ +package com.baeldung.jcommander.usagebilling.service; + +import com.baeldung.jcommander.usagebilling.model.CurrentChargesRequest; +import com.baeldung.jcommander.usagebilling.model.CurrentChargesResponse; + +public interface FetchCurrentChargesService { + + static FetchCurrentChargesService getDefault() { + return new DefaultFetchCurrentChargesService(); + } + + CurrentChargesResponse fetch(CurrentChargesRequest request); +} diff --git a/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/service/SubmitUsageService.java b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/service/SubmitUsageService.java new file mode 100644 index 0000000000..2a29e6e474 --- /dev/null +++ b/libraries-3/src/main/java/com/baeldung/jcommander/usagebilling/service/SubmitUsageService.java @@ -0,0 +1,12 @@ +package com.baeldung.jcommander.usagebilling.service; + +import com.baeldung.jcommander.usagebilling.model.UsageRequest; + +public interface SubmitUsageService { + + static SubmitUsageService getDefault() { + return new DefaultSubmitUsageService(); + } + + String submit(UsageRequest request); +} diff --git a/libraries-3/src/test/java/com/baeldung/jcommander/helloworld/HelloWorldAppUnitTest.java b/libraries-3/src/test/java/com/baeldung/jcommander/helloworld/HelloWorldAppUnitTest.java new file mode 100644 index 0000000000..48b3ac2896 --- /dev/null +++ b/libraries-3/src/test/java/com/baeldung/jcommander/helloworld/HelloWorldAppUnitTest.java @@ -0,0 +1,28 @@ +package com.baeldung.jcommander.helloworld; + +import com.beust.jcommander.JCommander; +import org.junit.Test; + +import static org.junit.Assert.assertEquals; + +public class HelloWorldAppUnitTest { + + @Test + public void whenJCommanderInvokedWithArgs_thenArgsParsed() { + + HelloWorldArgs jArgs = new HelloWorldArgs(); + JCommander helloCmd = JCommander + .newBuilder() + .addObject(jArgs) + .build(); + + // when + String[] argv = new String[] { + "--name", "JavaWorld" + }; + helloCmd.parse(argv); + + // then + assertEquals("JavaWorld", jArgs.getName()); + } +} diff --git a/libraries-3/src/test/java/com/baeldung/jcommander/usagebilling/cli/FetchCurrentChargesCommandUnitTest.java b/libraries-3/src/test/java/com/baeldung/jcommander/usagebilling/cli/FetchCurrentChargesCommandUnitTest.java new file mode 100644 index 0000000000..b639661c39 --- /dev/null +++ b/libraries-3/src/test/java/com/baeldung/jcommander/usagebilling/cli/FetchCurrentChargesCommandUnitTest.java @@ -0,0 +1,61 @@ +package com.baeldung.jcommander.usagebilling.cli; + +import com.beust.jcommander.JCommander; +import org.junit.Test; + +import static org.hamcrest.collection.IsIterableContainingInOrder.contains; +import static org.junit.Assert.assertThat; + +public class FetchCurrentChargesCommandUnitTest { + + private JCommander jc = JCommander.newBuilder() + .addObject(new FetchCurrentChargesCommand()) + .build(); + + @Test + public void whenParsedMultipleSubscriptionsParameter_thenParameterSubscriptionsIsPopulated() { + FetchCurrentChargesCommand cmd = (FetchCurrentChargesCommand) jc + .getObjects() + .get(0); + + jc.parse(new String[] { + "-C", "cb898e7a-f2a0-46d2-9a09-531f1cee1839", + "-S", "subscriptionA001", + "-S", "subscriptionA002", + "-S", "subscriptionA003", + }); + + assertThat(cmd.getSubscriptionIds(), + contains("subscriptionA001", "subscriptionA002", "subscriptionA003")); + } + + @Test + public void whenParsedSubscriptionsColonSeparatedParameter_thenParameterSubscriptionsIsPopulated() { + FetchCurrentChargesCommand cmd = (FetchCurrentChargesCommand) jc + .getObjects() + .get(0); + + jc.parse(new String[] { + "-C", "cb898e7a-f2a0-46d2-9a09-531f1cee1839", + "-S", "subscriptionA001:subscriptionA002:subscriptionA003", + }); + + assertThat(cmd.getSubscriptionIds(), + contains("subscriptionA001", "subscriptionA002", "subscriptionA003")); + } + + @Test + public void whenParsedSubscriptionsWithVariableArity_thenParameterSubscriptionsIsPopulated() { + FetchCurrentChargesCommand cmd = (FetchCurrentChargesCommand) jc + .getObjects() + .get(0); + + jc.parse(new String[] { + "-C", "cb898e7a-f2a0-46d2-9a09-531f1cee1839", + "-S", "subscriptionA001", "subscriptionA002", "subscriptionA003", + }); + + assertThat(cmd.getSubscriptionIds(), + contains("subscriptionA001", "subscriptionA002", "subscriptionA003")); + } +} diff --git a/libraries-3/src/test/java/com/baeldung/jcommander/usagebilling/cli/SubmitUsageCommandUnitTest.java b/libraries-3/src/test/java/com/baeldung/jcommander/usagebilling/cli/SubmitUsageCommandUnitTest.java new file mode 100644 index 0000000000..d6ce132053 --- /dev/null +++ b/libraries-3/src/test/java/com/baeldung/jcommander/usagebilling/cli/SubmitUsageCommandUnitTest.java @@ -0,0 +1,64 @@ +package com.baeldung.jcommander.usagebilling.cli; + +import com.beust.jcommander.JCommander; +import com.beust.jcommander.ParameterException; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; + +import static org.junit.Assert.assertEquals; + +public class SubmitUsageCommandUnitTest { + + private JCommander jc = JCommander.newBuilder() + .addObject(new SubmitUsageCommand()) + .build(); + + @Test + public void whenParsedCustomerParameter_thenParameterOfTypeStringIsPopulated() { + jc.parse(new String[] { + "--customer", "cb898e7a-f2a0-46d2-9a09-531f1cee1839", + "--subscription", "subscriptionPQRMN001", + "--pricing-type", "PRE_RATED", + "--timestamp", "2019-10-03T10:58:00", + "--quantity", "7", + "--price", "24.56" + }); + + SubmitUsageCommand cmd = (SubmitUsageCommand) jc + .getObjects() + .get(0); + assertEquals("cb898e7a-f2a0-46d2-9a09-531f1cee1839", cmd.getCustomerId()); + } + + @Test + public void whenParsedTimestampParameter_thenParameterOfTypeInstantIsPopulated() { + jc.parse(new String[] { + "--customer", "cb898e7a-f2a0-46d2-9a09-531f1cee1839", + "--subscription", "subscriptionPQRMN001", + "--pricing-type", "PRE_RATED", + "--timestamp", "2019-10-03T10:58:00", + "--quantity", "7", + "--price", "24.56" + }); + + SubmitUsageCommand cmd = (SubmitUsageCommand) jc + .getObjects() + .get(0); + assertEquals("2019-10-03T10:58:00Z", cmd + .getTimestamp() + .toString()); + } + + @Test(expected = ParameterException.class) + public void whenParsedCustomerIdNotUUID_thenParameterException() { + jc.parse(new String[] { + "--customer", "customer001", + "--subscription", "subscriptionPQRMN001", + "--pricing-type", "PRE_RATED", + "--timestamp", "2019-10-03T10:58:00", + "--quantity", "7", + "--price", "24.56" + }); + } +} diff --git a/lombok/pom.xml b/lombok/pom.xml index 2acf9e240d..b67320909e 100644 --- a/lombok/pom.xml +++ b/lombok/pom.xml @@ -76,7 +76,7 @@ - 1.18.4 + 1.18.10 1.0.0.Final diff --git a/lombok/src/main/java/com/baeldung/lombok/accessors/model/BasicAccount.java b/lombok/src/main/java/com/baeldung/lombok/accessors/model/BasicAccount.java new file mode 100644 index 0000000000..74ae51c040 --- /dev/null +++ b/lombok/src/main/java/com/baeldung/lombok/accessors/model/BasicAccount.java @@ -0,0 +1,24 @@ +package com.baeldung.lombok.accessors.model; + +import java.math.BigDecimal; + +public class BasicAccount { + String name; + BigDecimal balance; + + public BigDecimal getBalance() { + return this.balance; + } + + public void setBalance(BigDecimal newBalance) { + this.balance = newBalance; + } + + public String getName() { + return this.name; + } + + public void setName(String accountName) { + this.name = accountName; + } +} diff --git a/lombok/src/main/java/com/baeldung/lombok/accessors/model/ChainedAccount.java b/lombok/src/main/java/com/baeldung/lombok/accessors/model/ChainedAccount.java new file mode 100644 index 0000000000..8fa9a2e8aa --- /dev/null +++ b/lombok/src/main/java/com/baeldung/lombok/accessors/model/ChainedAccount.java @@ -0,0 +1,15 @@ +package com.baeldung.lombok.accessors.model; + +import lombok.Getter; +import lombok.Setter; +import lombok.experimental.Accessors; + +import java.math.BigDecimal; + +@Accessors(chain = true) +@Getter +@Setter +public class ChainedAccount { + String name; + BigDecimal balance; +} diff --git a/lombok/src/main/java/com/baeldung/lombok/accessors/model/ChainedFluentAccount.java b/lombok/src/main/java/com/baeldung/lombok/accessors/model/ChainedFluentAccount.java new file mode 100644 index 0000000000..22e85848bd --- /dev/null +++ b/lombok/src/main/java/com/baeldung/lombok/accessors/model/ChainedFluentAccount.java @@ -0,0 +1,15 @@ +package com.baeldung.lombok.accessors.model; + +import lombok.Getter; +import lombok.Setter; +import lombok.experimental.Accessors; + +import java.math.BigDecimal; + +@Accessors(fluent = true, chain = true) +@Getter +@Setter +public class ChainedFluentAccount { + String name; + BigDecimal balance; +} diff --git a/lombok/src/main/java/com/baeldung/lombok/accessors/model/FluentAccount.java b/lombok/src/main/java/com/baeldung/lombok/accessors/model/FluentAccount.java new file mode 100644 index 0000000000..bc5e6ba70e --- /dev/null +++ b/lombok/src/main/java/com/baeldung/lombok/accessors/model/FluentAccount.java @@ -0,0 +1,15 @@ +package com.baeldung.lombok.accessors.model; + +import lombok.Getter; +import lombok.Setter; +import lombok.experimental.Accessors; + +import java.math.BigDecimal; + +@Accessors(fluent = true, chain = false) +@Getter +@Setter +public class FluentAccount { + String name; + BigDecimal balance; +} diff --git a/lombok/src/main/java/com/baeldung/lombok/accessors/model/PrefixedAccount.java b/lombok/src/main/java/com/baeldung/lombok/accessors/model/PrefixedAccount.java new file mode 100644 index 0000000000..e3e3ae620b --- /dev/null +++ b/lombok/src/main/java/com/baeldung/lombok/accessors/model/PrefixedAccount.java @@ -0,0 +1,16 @@ +package com.baeldung.lombok.accessors.model; + +import lombok.Getter; +import lombok.Setter; +import lombok.experimental.Accessors; + +import java.math.BigDecimal; + + +@Accessors(prefix = {"s", "bd"}) +@Getter +@Setter +public class PrefixedAccount { + String sName; + BigDecimal bdBalance; +} diff --git a/lombok/src/main/java/com/baeldung/lombok/accessors/model/PrefixedFluentAccount.java b/lombok/src/main/java/com/baeldung/lombok/accessors/model/PrefixedFluentAccount.java new file mode 100644 index 0000000000..462a9b41ec --- /dev/null +++ b/lombok/src/main/java/com/baeldung/lombok/accessors/model/PrefixedFluentAccount.java @@ -0,0 +1,15 @@ +package com.baeldung.lombok.accessors.model; + +import lombok.Getter; +import lombok.Setter; +import lombok.experimental.Accessors; + +import java.math.BigDecimal; + +@Accessors(prefix = {"s", "bd"}, fluent = true) +@Getter +@Setter +public class PrefixedFluentAccount { + String sName; + BigDecimal bdBalance; +} diff --git a/lombok/src/main/java/com/baeldung/lombok/accessors/model/StandardAccount.java b/lombok/src/main/java/com/baeldung/lombok/accessors/model/StandardAccount.java new file mode 100644 index 0000000000..89727fef19 --- /dev/null +++ b/lombok/src/main/java/com/baeldung/lombok/accessors/model/StandardAccount.java @@ -0,0 +1,13 @@ +package com.baeldung.lombok.accessors.model; + +import lombok.Getter; +import lombok.Setter; + +import java.math.BigDecimal; + +@Getter +@Setter +public class StandardAccount { + String name; + BigDecimal balance; +} diff --git a/lombok/src/test/java/com/baeldung/lombok/accessors/AccessorsUnitTest.java b/lombok/src/test/java/com/baeldung/lombok/accessors/AccessorsUnitTest.java new file mode 100644 index 0000000000..679c7d39ef --- /dev/null +++ b/lombok/src/test/java/com/baeldung/lombok/accessors/AccessorsUnitTest.java @@ -0,0 +1,72 @@ +package com.baeldung.lombok.accessors; + +import com.baeldung.lombok.accessors.model.*; +import org.junit.Test; + +import java.math.BigDecimal; + +import static org.junit.Assert.assertEquals; + +public class AccessorsUnitTest { + + @Test + public void givenBasicAccount_thenUseBasicAccessors() { + BasicAccount account = new BasicAccount(); + account.setBalance(BigDecimal.TEN); + account.setName("Basic Accessors"); + + assertEquals(BigDecimal.TEN, account.getBalance()); + assertEquals("Basic Accessors", account.getName()); + } + + @Test + public void givenFluentAccount_thenUseFluentAccessors() { + FluentAccount account = new FluentAccount(); + account.name("Fluent Account"); + account.balance(BigDecimal.TEN); + + assertEquals(BigDecimal.TEN, account.balance()); + assertEquals("Fluent Account", account.name()); + } + + @Test + public void givenChainedAccount_thenUseChainedAccessors() { + ChainedAccount account = new ChainedAccount(); + account.setName("Chained Account").setBalance(BigDecimal.TEN); + + assertEquals(BigDecimal.TEN, account.getBalance()); + assertEquals("Chained Account", account.getName()); + } + + @Test + public void givenChainedFluentAccount_thenUseChainedFluentAccessors() { + ChainedFluentAccount account = new ChainedFluentAccount() + .name("Fluent Account") + .balance(BigDecimal.TEN); + + assertEquals(BigDecimal.TEN, account.balance()); + assertEquals("Fluent Account", account.name()); + } + + @Test + public void givenPrefixedAccount_thenRemovePrefixFromAccessors() { + PrefixedAccount account = new PrefixedAccount(); + account.setName("Prefixed Fields"); + account.setBalance(BigDecimal.TEN); + + assertEquals(BigDecimal.TEN, account.getBalance()); + assertEquals("Prefixed Fields", account.getName()); + } + + @Test + public void givenPrefixedFluentAccount_thenRemovePrefixFromAccessors() { + PrefixedFluentAccount account = new PrefixedFluentAccount(); + account + .name("Prefixed Fluent Fields") + .balance(BigDecimal.TEN); + + assertEquals(BigDecimal.TEN, account.balance()); + assertEquals("Prefixed Fluent Fields", account.name()); + } + +} diff --git a/persistence-modules/hibernate5-2/src/main/java/com/baeldung/fetchMode/Customer.java b/persistence-modules/hibernate5-2/src/main/java/com/baeldung/fetchMode/Customer.java new file mode 100644 index 0000000000..5997602205 --- /dev/null +++ b/persistence-modules/hibernate5-2/src/main/java/com/baeldung/fetchMode/Customer.java @@ -0,0 +1,39 @@ +package com.baeldung.fetchMode; + +import org.hibernate.annotations.Fetch; +import org.hibernate.annotations.FetchMode; + +import javax.persistence.Entity; +import javax.persistence.GeneratedValue; +import javax.persistence.Id; +import javax.persistence.OneToMany; +import java.util.HashSet; +import java.util.Set; + +@Entity +public class Customer { + + @Id + @GeneratedValue + private Long id; + + @OneToMany(mappedBy = "customer") + @Fetch(value = FetchMode.SELECT) + private Set orders = new HashSet<>(); + + public Long getId() { + return id; + } + + public void setId(Long id) { + this.id = id; + } + + public Set getOrders() { + return orders; + } + + public void setOrders(Set orders) { + this.orders = orders; + } +} diff --git a/persistence-modules/hibernate5-2/src/main/java/com/baeldung/fetchMode/Order.java b/persistence-modules/hibernate5-2/src/main/java/com/baeldung/fetchMode/Order.java new file mode 100644 index 0000000000..c031972830 --- /dev/null +++ b/persistence-modules/hibernate5-2/src/main/java/com/baeldung/fetchMode/Order.java @@ -0,0 +1,50 @@ +package com.baeldung.fetchMode; + +import javax.persistence.*; + +@Entity +public class Order { + + @Id + @GeneratedValue + private Long id; + + private String name; + + @ManyToOne + @JoinColumn(name = "customer_id") + private Customer customer; + + public Order() { + + } + + public Order(String name, Customer customer) { + this.name = name; + this.customer = customer; + } + + public Long getId() { + return id; + } + + public void setId(Long id) { + this.id = id; + } + + public Customer getCustomer() { + return customer; + } + + public void setCustomer(Customer customer) { + this.customer = customer; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } +} diff --git a/pom.xml b/pom.xml index d2433d11b3..6f980a893a 100644 --- a/pom.xml +++ b/pom.xml @@ -1,4 +1,3 @@ - @@ -406,7 +405,7 @@ --> core-java-modules/core-java-text core-java-modules/core-java-lambdas - + core-java-modules/core-java-arrays core-java-modules/core-java-arrays-2 @@ -424,6 +423,7 @@ core-java-modules/core-java-io core-java-modules/core-java-io-files core-java-modules/core-java-nio + core-java-modules/core-java-nio-2 core-java-modules/core-java-security core-java-modules/core-java-exceptions core-java-modules/core-java-lang-syntax @@ -541,6 +541,7 @@ libraries libraries-2 + libraries-3 libraries-data libraries-data-2 libraries-data-db @@ -601,8 +602,10 @@ rule-engines rsocket - rxjava - rxjava-2 + rxjava-core + rxjava-observables + rxjava-operators + rxjava-libraries software-security/sql-injection-samples tensorflow-java @@ -719,10 +722,11 @@ spring-boot-parent spring-boot-property-exp spring-boot-security + spring-boot-springdoc spring-boot-testing spring-boot-vue spring-caching - spring-boot-libraries + spring-boot-libraries spring-cloud @@ -919,6 +923,7 @@ spring-boot-keycloak spring-boot-mvc spring-boot-property-exp + spring-boot-springdoc spring-boot-vue spring-cloud spring-cloud/spring-cloud-archaius/basic-config @@ -1177,7 +1182,7 @@ core-java-modules/core-java-time-measurements --> core-java-modules/core-java-text - + core-java-modules/core-java-arrays core-java-modules/core-java-arrays-2 @@ -1195,6 +1200,7 @@ core-java-modules/core-java-io core-java-modules/core-java-io-files core-java-modules/core-java-nio + core-java-modules/core-java-nio-2 core-java-modules/core-java-security core-java-modules/core-java-exceptions core-java-modules/core-java-lang-syntax @@ -1307,6 +1313,7 @@ libraries + libraries-3 libraries-data libraries-data-2 libraries-data-db @@ -1365,8 +1372,10 @@ rule-engines rsocket - rxjava - rxjava-2 + rxjava-core + rxjava-observables + rxjava-operators + rxjava-libraries oauth2-framework-impl spf4j spring-boot-performance @@ -1461,8 +1470,9 @@ spring-boot-parent spring-boot-property-exp spring-boot-security + spring-boot-springdoc spring-boot-vue - spring-caching + spring-caching spring-cloud spring-cloud-bus diff --git a/rxjava-2/README.md b/rxjava-2/README.md deleted file mode 100644 index 87f606a323..0000000000 --- a/rxjava-2/README.md +++ /dev/null @@ -1,14 +0,0 @@ -## RxJava - -This module contains articles about RxJava. - -### Relevant articles: - -- [RxJava and Error Handling](https://www.baeldung.com/rxjava-error-handling) -- [RxJava 2 – Flowable](https://www.baeldung.com/rxjava-2-flowable) -- [RxJava Maybe](https://www.baeldung.com/rxjava-maybe) -- [Introduction to RxRelay for RxJava](https://www.baeldung.com/rx-relay) -- [Combining RxJava Completables](https://www.baeldung.com/rxjava-completable) -- [Converting Synchronous and Asynchronous APIs to Observables using RxJava2](https://www.baeldung.com/rxjava-apis-to-observables) -- [RxJava Hooks](https://www.baeldung.com/rxjava-hooks) -- More articles: [[<-- prev]](/rxjava) diff --git a/rxjava-2/pom.xml b/rxjava-2/pom.xml deleted file mode 100644 index 47d16ec8dd..0000000000 --- a/rxjava-2/pom.xml +++ /dev/null @@ -1,53 +0,0 @@ - - - 4.0.0 - rxjava-2 - rxjava-2 - 1.0-SNAPSHOT - - - com.baeldung - parent-java - 0.0.1-SNAPSHOT - ../parent-java - - - - - io.reactivex.rxjava2 - rxjava - ${rx.java2.version} - - - com.jayway.awaitility - awaitility - ${awaitility.version} - - - org.assertj - assertj-core - ${assertj.version} - - - com.jakewharton.rxrelay2 - rxrelay - ${rxrelay.version} - - - - com.github.akarnokd - rxjava2-extensions - ${rxjava2.ext.version} - - - - - 3.8.0 - 2.2.2 - 1.7.0 - 2.0.0 - 0.20.4 - - \ No newline at end of file diff --git a/rxjava-core/README.md b/rxjava-core/README.md new file mode 100644 index 0000000000..2773bd9423 --- /dev/null +++ b/rxjava-core/README.md @@ -0,0 +1,16 @@ +## RxJava + +This module contains articles about RxJava. + +### Relevant articles: + +- [Dealing with Backpressure with RxJava](https://www.baeldung.com/rxjava-backpressure) +- [How to Test RxJava?](https://www.baeldung.com/rxjava-testing) +- [Introduction to RxJava](https://www.baeldung.com/rx-java) +- [Schedulers in RxJava](https://www.baeldung.com/rxjava-schedulers) +- [Difference Between Flatmap and Switchmap in RxJava](https://www.baeldung.com/rxjava-flatmap-switchmap) +- [RxJava and Error Handling](https://www.baeldung.com/rxjava-error-handling) +- [RxJava Maybe](https://www.baeldung.com/rxjava-maybe) +- [Combining RxJava Completables](https://www.baeldung.com/rxjava-completable) +- [RxJava Hooks](https://www.baeldung.com/rxjava-hooks) +- More articles: [[next -->]](/rxjava-2) diff --git a/rxjava-core/pom.xml b/rxjava-core/pom.xml new file mode 100644 index 0000000000..401ad83808 --- /dev/null +++ b/rxjava-core/pom.xml @@ -0,0 +1,46 @@ + + + 4.0.0 + rxjava-core + 1.0-SNAPSHOT + rxjava-core + + + com.baeldung + parent-java + 0.0.1-SNAPSHOT + ../parent-java + + + + + io.reactivex + rxjava + ${rx.java.version} + + + io.reactivex.rxjava2 + rxjava + ${rx.java2.version} + + + com.jayway.awaitility + awaitility + ${awaitility.version} + + + org.assertj + assertj-core + ${assertj.version} + + + + + 3.8.0 + 1.2.5 + 1.7.0 + 2.2.2 + + + \ No newline at end of file diff --git a/rxjava/src/main/java/com/baeldung/rxjava/ComputeFunction.java b/rxjava-core/src/main/java/com/baeldung/rxjava/ComputeFunction.java similarity index 100% rename from rxjava/src/main/java/com/baeldung/rxjava/ComputeFunction.java rename to rxjava-core/src/main/java/com/baeldung/rxjava/ComputeFunction.java diff --git a/rxjava/src/main/java/com/baeldung/rxjava/ConnectableObservableImpl.java b/rxjava-core/src/main/java/com/baeldung/rxjava/ConnectableObservableImpl.java similarity index 100% rename from rxjava/src/main/java/com/baeldung/rxjava/ConnectableObservableImpl.java rename to rxjava-core/src/main/java/com/baeldung/rxjava/ConnectableObservableImpl.java diff --git a/rxjava/src/main/java/com/baeldung/rxjava/ObservableImpl.java b/rxjava-core/src/main/java/com/baeldung/rxjava/ObservableImpl.java similarity index 100% rename from rxjava/src/main/java/com/baeldung/rxjava/ObservableImpl.java rename to rxjava-core/src/main/java/com/baeldung/rxjava/ObservableImpl.java diff --git a/rxjava/src/main/java/com/baeldung/rxjava/ResourceManagement.java b/rxjava-core/src/main/java/com/baeldung/rxjava/ResourceManagement.java similarity index 100% rename from rxjava/src/main/java/com/baeldung/rxjava/ResourceManagement.java rename to rxjava-core/src/main/java/com/baeldung/rxjava/ResourceManagement.java diff --git a/rxjava/src/main/java/com/baeldung/rxjava/SingleImpl.java b/rxjava-core/src/main/java/com/baeldung/rxjava/SingleImpl.java similarity index 100% rename from rxjava/src/main/java/com/baeldung/rxjava/SingleImpl.java rename to rxjava-core/src/main/java/com/baeldung/rxjava/SingleImpl.java diff --git a/rxjava/src/main/java/com/baeldung/rxjava/SubjectImpl.java b/rxjava-core/src/main/java/com/baeldung/rxjava/SubjectImpl.java similarity index 100% rename from rxjava/src/main/java/com/baeldung/rxjava/SubjectImpl.java rename to rxjava-core/src/main/java/com/baeldung/rxjava/SubjectImpl.java diff --git a/rxjava-2/src/main/resources/logback.xml b/rxjava-core/src/main/resources/logback.xml similarity index 100% rename from rxjava-2/src/main/resources/logback.xml rename to rxjava-core/src/main/resources/logback.xml diff --git a/rxjava-2/src/test/java/com/baeldung/rxjava/CompletableUnitTest.java b/rxjava-core/src/test/java/com/baeldung/rxjava/CompletableUnitTest.java similarity index 100% rename from rxjava-2/src/test/java/com/baeldung/rxjava/CompletableUnitTest.java rename to rxjava-core/src/test/java/com/baeldung/rxjava/CompletableUnitTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/ConnectableObservableIntegrationTest.java b/rxjava-core/src/test/java/com/baeldung/rxjava/ConnectableObservableIntegrationTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/ConnectableObservableIntegrationTest.java rename to rxjava-core/src/test/java/com/baeldung/rxjava/ConnectableObservableIntegrationTest.java diff --git a/rxjava-2/src/test/java/com/baeldung/rxjava/MaybeUnitTest.java b/rxjava-core/src/test/java/com/baeldung/rxjava/MaybeUnitTest.java similarity index 100% rename from rxjava-2/src/test/java/com/baeldung/rxjava/MaybeUnitTest.java rename to rxjava-core/src/test/java/com/baeldung/rxjava/MaybeUnitTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/ObservableUnitTest.java b/rxjava-core/src/test/java/com/baeldung/rxjava/ObservableUnitTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/ObservableUnitTest.java rename to rxjava-core/src/test/java/com/baeldung/rxjava/ObservableUnitTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/ResourceManagementUnitTest.java b/rxjava-core/src/test/java/com/baeldung/rxjava/ResourceManagementUnitTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/ResourceManagementUnitTest.java rename to rxjava-core/src/test/java/com/baeldung/rxjava/ResourceManagementUnitTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/RxJavaBackpressureLongRunningUnitTest.java b/rxjava-core/src/test/java/com/baeldung/rxjava/RxJavaBackpressureLongRunningUnitTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/RxJavaBackpressureLongRunningUnitTest.java rename to rxjava-core/src/test/java/com/baeldung/rxjava/RxJavaBackpressureLongRunningUnitTest.java diff --git a/rxjava-2/src/test/java/com/baeldung/rxjava/RxJavaHooksManualTest.java b/rxjava-core/src/test/java/com/baeldung/rxjava/RxJavaHooksManualTest.java similarity index 96% rename from rxjava-2/src/test/java/com/baeldung/rxjava/RxJavaHooksManualTest.java rename to rxjava-core/src/test/java/com/baeldung/rxjava/RxJavaHooksManualTest.java index b79fa9af22..f71d9e8839 100644 --- a/rxjava-2/src/test/java/com/baeldung/rxjava/RxJavaHooksManualTest.java +++ b/rxjava-core/src/test/java/com/baeldung/rxjava/RxJavaHooksManualTest.java @@ -1,84 +1,84 @@ -package com.baeldung.rxjava; - -import static org.junit.Assert.assertTrue; - -import org.junit.After; -import org.junit.Test; - -import io.reactivex.Observable; -import io.reactivex.plugins.RxJavaPlugins; -import io.reactivex.schedulers.Schedulers; - -public class RxJavaHooksManualTest { - - private boolean initHookCalled = false; - private boolean hookCalled = false; - - @Test - public void givenIOScheduler_whenCalled_shouldExecuteTheHooks() { - - RxJavaPlugins.setInitIoSchedulerHandler((scheduler) -> { - initHookCalled = true; - return scheduler.call(); - }); - - RxJavaPlugins.setIoSchedulerHandler((scheduler) -> { - hookCalled = true; - return scheduler; - }); - - Observable.range(1, 10) - .map(v -> v * 2) - .subscribeOn(Schedulers.io()) - .test(); - assertTrue(hookCalled && initHookCalled); - } - - @Test - public void givenNewThreadScheduler_whenCalled_shouldExecuteTheHook() { - - RxJavaPlugins.setInitNewThreadSchedulerHandler((scheduler) -> { - initHookCalled = true; - return scheduler.call(); - }); - - RxJavaPlugins.setNewThreadSchedulerHandler((scheduler) -> { - hookCalled = true; - return scheduler; - }); - - Observable.range(1, 15) - .map(v -> v * 2) - .subscribeOn(Schedulers.newThread()) - .test(); - assertTrue(hookCalled && initHookCalled); - } - - @Test - public void givenSingleScheduler_whenCalled_shouldExecuteTheHooks() { - - RxJavaPlugins.setInitSingleSchedulerHandler((scheduler) -> { - initHookCalled = true; - return scheduler.call(); - }); - - RxJavaPlugins.setSingleSchedulerHandler((scheduler) -> { - hookCalled = true; - return scheduler; - }); - - Observable.range(1, 10) - .map(v -> v * 2) - .subscribeOn(Schedulers.single()) - .test(); - assertTrue(hookCalled && initHookCalled); - - } - - @After - public void reset() { - hookCalled = false; - initHookCalled = false; - RxJavaPlugins.reset(); - } -} +package com.baeldung.rxjava; + +import static org.junit.Assert.assertTrue; + +import org.junit.After; +import org.junit.Test; + +import io.reactivex.Observable; +import io.reactivex.plugins.RxJavaPlugins; +import io.reactivex.schedulers.Schedulers; + +public class RxJavaHooksManualTest { + + private boolean initHookCalled = false; + private boolean hookCalled = false; + + @Test + public void givenIOScheduler_whenCalled_shouldExecuteTheHooks() { + + RxJavaPlugins.setInitIoSchedulerHandler((scheduler) -> { + initHookCalled = true; + return scheduler.call(); + }); + + RxJavaPlugins.setIoSchedulerHandler((scheduler) -> { + hookCalled = true; + return scheduler; + }); + + Observable.range(1, 10) + .map(v -> v * 2) + .subscribeOn(Schedulers.io()) + .test(); + assertTrue(hookCalled && initHookCalled); + } + + @Test + public void givenNewThreadScheduler_whenCalled_shouldExecuteTheHook() { + + RxJavaPlugins.setInitNewThreadSchedulerHandler((scheduler) -> { + initHookCalled = true; + return scheduler.call(); + }); + + RxJavaPlugins.setNewThreadSchedulerHandler((scheduler) -> { + hookCalled = true; + return scheduler; + }); + + Observable.range(1, 15) + .map(v -> v * 2) + .subscribeOn(Schedulers.newThread()) + .test(); + assertTrue(hookCalled && initHookCalled); + } + + @Test + public void givenSingleScheduler_whenCalled_shouldExecuteTheHooks() { + + RxJavaPlugins.setInitSingleSchedulerHandler((scheduler) -> { + initHookCalled = true; + return scheduler.call(); + }); + + RxJavaPlugins.setSingleSchedulerHandler((scheduler) -> { + hookCalled = true; + return scheduler; + }); + + Observable.range(1, 10) + .map(v -> v * 2) + .subscribeOn(Schedulers.single()) + .test(); + assertTrue(hookCalled && initHookCalled); + + } + + @After + public void reset() { + hookCalled = false; + initHookCalled = false; + RxJavaPlugins.reset(); + } +} diff --git a/rxjava-2/src/test/java/com/baeldung/rxjava/RxJavaHooksUnitTest.java b/rxjava-core/src/test/java/com/baeldung/rxjava/RxJavaHooksUnitTest.java similarity index 96% rename from rxjava-2/src/test/java/com/baeldung/rxjava/RxJavaHooksUnitTest.java rename to rxjava-core/src/test/java/com/baeldung/rxjava/RxJavaHooksUnitTest.java index dd4287a4a9..cea6cc70f6 100644 --- a/rxjava-2/src/test/java/com/baeldung/rxjava/RxJavaHooksUnitTest.java +++ b/rxjava-core/src/test/java/com/baeldung/rxjava/RxJavaHooksUnitTest.java @@ -1,244 +1,244 @@ -package com.baeldung.rxjava; - -import static org.junit.Assert.assertTrue; - -import org.junit.After; -import org.junit.Test; - -import io.reactivex.Completable; -import io.reactivex.Flowable; -import io.reactivex.Maybe; -import io.reactivex.Observable; -import io.reactivex.Single; -import io.reactivex.flowables.ConnectableFlowable; -import io.reactivex.observables.ConnectableObservable; -import io.reactivex.plugins.RxJavaPlugins; -import io.reactivex.schedulers.Schedulers; - -public class RxJavaHooksUnitTest { - - private boolean initHookCalled = false; - private boolean hookCalled = false; - - @Test - public void givenObservable_whenError_shouldExecuteTheHook() { - RxJavaPlugins.setErrorHandler(throwable -> { - hookCalled = true; - }); - - Observable.error(new IllegalStateException()) - .subscribe(); - assertTrue(hookCalled); - } - - @Test - public void givenCompletable_whenAssembled_shouldExecuteTheHook() { - - RxJavaPlugins.setOnCompletableAssembly(completable -> { - hookCalled = true; - return completable; - }); - Completable.fromSingle(Single.just(1)); - assertTrue(hookCalled); - } - - @Test - public void givenCompletable_whenSubscribed_shouldExecuteTheHook() { - - RxJavaPlugins.setOnCompletableSubscribe((completable, observer) -> { - hookCalled = true; - return observer; - }); - - Completable.fromSingle(Single.just(1)) - .test(); - assertTrue(hookCalled); - } - - @Test - public void givenObservable_whenAssembled_shouldExecuteTheHook() { - - RxJavaPlugins.setOnObservableAssembly(observable -> { - hookCalled = true; - return observable; - }); - - Observable.range(1, 10); - assertTrue(hookCalled); - } - - @Test - public void givenObservable_whenSubscribed_shouldExecuteTheHook() { - - RxJavaPlugins.setOnObservableSubscribe((observable, observer) -> { - hookCalled = true; - return observer; - }); - - Observable.range(1, 10) - .test(); - assertTrue(hookCalled); - } - - @Test - public void givenConnectableObservable_whenAssembled_shouldExecuteTheHook() { - - RxJavaPlugins.setOnConnectableObservableAssembly(connectableObservable -> { - hookCalled = true; - return connectableObservable; - }); - - ConnectableObservable.range(1, 10) - .publish() - .connect(); - assertTrue(hookCalled); - } - - @Test - public void givenFlowable_whenAssembled_shouldExecuteTheHook() { - - RxJavaPlugins.setOnFlowableAssembly(flowable -> { - hookCalled = true; - return flowable; - }); - - Flowable.range(1, 10); - assertTrue(hookCalled); - } - - @Test - public void givenFlowable_whenSubscribed_shouldExecuteTheHook() { - - RxJavaPlugins.setOnFlowableSubscribe((flowable, observer) -> { - hookCalled = true; - return observer; - }); - - Flowable.range(1, 10) - .test(); - assertTrue(hookCalled); - } - - @Test - public void givenConnectableFlowable_whenAssembled_shouldExecuteTheHook() { - - RxJavaPlugins.setOnConnectableFlowableAssembly(connectableFlowable -> { - hookCalled = true; - return connectableFlowable; - }); - - ConnectableFlowable.range(1, 10) - .publish() - .connect(); - assertTrue(hookCalled); - } - - @Test - public void givenParallel_whenAssembled_shouldExecuteTheHook() { - - RxJavaPlugins.setOnParallelAssembly(parallelFlowable -> { - hookCalled = true; - return parallelFlowable; - }); - - Flowable.range(1, 10) - .parallel(); - assertTrue(hookCalled); - } - - @Test - public void givenMaybe_whenAssembled_shouldExecuteTheHook() { - - RxJavaPlugins.setOnMaybeAssembly(maybe -> { - hookCalled = true; - return maybe; - }); - - Maybe.just(1); - assertTrue(hookCalled); - } - - @Test - public void givenMaybe_whenSubscribed_shouldExecuteTheHook() { - - RxJavaPlugins.setOnMaybeSubscribe((maybe, observer) -> { - hookCalled = true; - return observer; - }); - - Maybe.just(1) - .test(); - assertTrue(hookCalled); - } - - @Test - public void givenSingle_whenAssembled_shouldExecuteTheHook() { - - RxJavaPlugins.setOnSingleAssembly(single -> { - hookCalled = true; - return single; - }); - - Single.just(1); - assertTrue(hookCalled); - } - - @Test - public void givenSingle_whenSubscribed_shouldExecuteTheHook() { - - RxJavaPlugins.setOnSingleSubscribe((single, observer) -> { - hookCalled = true; - return observer; - }); - - Single.just(1) - .test(); - assertTrue(hookCalled); - } - - @Test - public void givenAnyScheduler_whenCalled_shouldExecuteTheHook() { - - RxJavaPlugins.setScheduleHandler((runnable) -> { - hookCalled = true; - return runnable; - }); - - Observable.range(1, 10) - .map(v -> v * 2) - .subscribeOn(Schedulers.single()) - .test(); - hookCalled = false; - Observable.range(1, 10) - .map(v -> v * 2) - .subscribeOn(Schedulers.computation()) - .test(); - assertTrue(hookCalled); - } - - @Test - public void givenComputationScheduler_whenCalled_shouldExecuteTheHooks() { - - RxJavaPlugins.setInitComputationSchedulerHandler((scheduler) -> { - initHookCalled = true; - return scheduler.call(); - }); - RxJavaPlugins.setComputationSchedulerHandler((scheduler) -> { - hookCalled = true; - return scheduler; - }); - - Observable.range(1, 10) - .map(v -> v * 2) - .subscribeOn(Schedulers.computation()) - .test(); - assertTrue(hookCalled && initHookCalled); - } - - @After - public void reset() { - initHookCalled = false; - hookCalled = false; - RxJavaPlugins.reset(); - } -} +package com.baeldung.rxjava; + +import static org.junit.Assert.assertTrue; + +import org.junit.After; +import org.junit.Test; + +import io.reactivex.Completable; +import io.reactivex.Flowable; +import io.reactivex.Maybe; +import io.reactivex.Observable; +import io.reactivex.Single; +import io.reactivex.flowables.ConnectableFlowable; +import io.reactivex.observables.ConnectableObservable; +import io.reactivex.plugins.RxJavaPlugins; +import io.reactivex.schedulers.Schedulers; + +public class RxJavaHooksUnitTest { + + private boolean initHookCalled = false; + private boolean hookCalled = false; + + @Test + public void givenObservable_whenError_shouldExecuteTheHook() { + RxJavaPlugins.setErrorHandler(throwable -> { + hookCalled = true; + }); + + Observable.error(new IllegalStateException()) + .subscribe(); + assertTrue(hookCalled); + } + + @Test + public void givenCompletable_whenAssembled_shouldExecuteTheHook() { + + RxJavaPlugins.setOnCompletableAssembly(completable -> { + hookCalled = true; + return completable; + }); + Completable.fromSingle(Single.just(1)); + assertTrue(hookCalled); + } + + @Test + public void givenCompletable_whenSubscribed_shouldExecuteTheHook() { + + RxJavaPlugins.setOnCompletableSubscribe((completable, observer) -> { + hookCalled = true; + return observer; + }); + + Completable.fromSingle(Single.just(1)) + .test(); + assertTrue(hookCalled); + } + + @Test + public void givenObservable_whenAssembled_shouldExecuteTheHook() { + + RxJavaPlugins.setOnObservableAssembly(observable -> { + hookCalled = true; + return observable; + }); + + Observable.range(1, 10); + assertTrue(hookCalled); + } + + @Test + public void givenObservable_whenSubscribed_shouldExecuteTheHook() { + + RxJavaPlugins.setOnObservableSubscribe((observable, observer) -> { + hookCalled = true; + return observer; + }); + + Observable.range(1, 10) + .test(); + assertTrue(hookCalled); + } + + @Test + public void givenConnectableObservable_whenAssembled_shouldExecuteTheHook() { + + RxJavaPlugins.setOnConnectableObservableAssembly(connectableObservable -> { + hookCalled = true; + return connectableObservable; + }); + + ConnectableObservable.range(1, 10) + .publish() + .connect(); + assertTrue(hookCalled); + } + + @Test + public void givenFlowable_whenAssembled_shouldExecuteTheHook() { + + RxJavaPlugins.setOnFlowableAssembly(flowable -> { + hookCalled = true; + return flowable; + }); + + Flowable.range(1, 10); + assertTrue(hookCalled); + } + + @Test + public void givenFlowable_whenSubscribed_shouldExecuteTheHook() { + + RxJavaPlugins.setOnFlowableSubscribe((flowable, observer) -> { + hookCalled = true; + return observer; + }); + + Flowable.range(1, 10) + .test(); + assertTrue(hookCalled); + } + + @Test + public void givenConnectableFlowable_whenAssembled_shouldExecuteTheHook() { + + RxJavaPlugins.setOnConnectableFlowableAssembly(connectableFlowable -> { + hookCalled = true; + return connectableFlowable; + }); + + ConnectableFlowable.range(1, 10) + .publish() + .connect(); + assertTrue(hookCalled); + } + + @Test + public void givenParallel_whenAssembled_shouldExecuteTheHook() { + + RxJavaPlugins.setOnParallelAssembly(parallelFlowable -> { + hookCalled = true; + return parallelFlowable; + }); + + Flowable.range(1, 10) + .parallel(); + assertTrue(hookCalled); + } + + @Test + public void givenMaybe_whenAssembled_shouldExecuteTheHook() { + + RxJavaPlugins.setOnMaybeAssembly(maybe -> { + hookCalled = true; + return maybe; + }); + + Maybe.just(1); + assertTrue(hookCalled); + } + + @Test + public void givenMaybe_whenSubscribed_shouldExecuteTheHook() { + + RxJavaPlugins.setOnMaybeSubscribe((maybe, observer) -> { + hookCalled = true; + return observer; + }); + + Maybe.just(1) + .test(); + assertTrue(hookCalled); + } + + @Test + public void givenSingle_whenAssembled_shouldExecuteTheHook() { + + RxJavaPlugins.setOnSingleAssembly(single -> { + hookCalled = true; + return single; + }); + + Single.just(1); + assertTrue(hookCalled); + } + + @Test + public void givenSingle_whenSubscribed_shouldExecuteTheHook() { + + RxJavaPlugins.setOnSingleSubscribe((single, observer) -> { + hookCalled = true; + return observer; + }); + + Single.just(1) + .test(); + assertTrue(hookCalled); + } + + @Test + public void givenAnyScheduler_whenCalled_shouldExecuteTheHook() { + + RxJavaPlugins.setScheduleHandler((runnable) -> { + hookCalled = true; + return runnable; + }); + + Observable.range(1, 10) + .map(v -> v * 2) + .subscribeOn(Schedulers.single()) + .test(); + hookCalled = false; + Observable.range(1, 10) + .map(v -> v * 2) + .subscribeOn(Schedulers.computation()) + .test(); + assertTrue(hookCalled); + } + + @Test + public void givenComputationScheduler_whenCalled_shouldExecuteTheHooks() { + + RxJavaPlugins.setInitComputationSchedulerHandler((scheduler) -> { + initHookCalled = true; + return scheduler.call(); + }); + RxJavaPlugins.setComputationSchedulerHandler((scheduler) -> { + hookCalled = true; + return scheduler; + }); + + Observable.range(1, 10) + .map(v -> v * 2) + .subscribeOn(Schedulers.computation()) + .test(); + assertTrue(hookCalled && initHookCalled); + } + + @After + public void reset() { + initHookCalled = false; + hookCalled = false; + RxJavaPlugins.reset(); + } +} diff --git a/rxjava/src/test/java/com/baeldung/rxjava/RxJavaUnitTest.java b/rxjava-core/src/test/java/com/baeldung/rxjava/RxJavaUnitTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/RxJavaUnitTest.java rename to rxjava-core/src/test/java/com/baeldung/rxjava/RxJavaUnitTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/SchedulersLiveTest.java b/rxjava-core/src/test/java/com/baeldung/rxjava/SchedulersLiveTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/SchedulersLiveTest.java rename to rxjava-core/src/test/java/com/baeldung/rxjava/SchedulersLiveTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/SingleUnitTest.java b/rxjava-core/src/test/java/com/baeldung/rxjava/SingleUnitTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/SingleUnitTest.java rename to rxjava-core/src/test/java/com/baeldung/rxjava/SingleUnitTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/SubjectUnitTest.java b/rxjava-core/src/test/java/com/baeldung/rxjava/SubjectUnitTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/SubjectUnitTest.java rename to rxjava-core/src/test/java/com/baeldung/rxjava/SubjectUnitTest.java diff --git a/rxjava-2/src/test/java/com/baeldung/rxjava/onerror/ExceptionHandlingIntegrationTest.java b/rxjava-core/src/test/java/com/baeldung/rxjava/onerror/ExceptionHandlingIntegrationTest.java similarity index 100% rename from rxjava-2/src/test/java/com/baeldung/rxjava/onerror/ExceptionHandlingIntegrationTest.java rename to rxjava-core/src/test/java/com/baeldung/rxjava/onerror/ExceptionHandlingIntegrationTest.java diff --git a/rxjava-2/src/test/java/com/baeldung/rxjava/onerror/OnErrorRetryIntegrationTest.java b/rxjava-core/src/test/java/com/baeldung/rxjava/onerror/OnErrorRetryIntegrationTest.java similarity index 100% rename from rxjava-2/src/test/java/com/baeldung/rxjava/onerror/OnErrorRetryIntegrationTest.java rename to rxjava-core/src/test/java/com/baeldung/rxjava/onerror/OnErrorRetryIntegrationTest.java diff --git a/rxjava-libraries/README.md b/rxjava-libraries/README.md new file mode 100644 index 0000000000..ac8aac6908 --- /dev/null +++ b/rxjava-libraries/README.md @@ -0,0 +1,10 @@ +## RxJava Libraries + + This module contains articles about RxJava libraries + +### Related Articles: + +- [RxJava 2 – Flowable](https://www.baeldung.com/rxjava-2-flowable) +- [Introduction to RxRelay for RxJava](https://www.baeldung.com/rx-relay) +- [Introduction to rxjava-jdbc](https://www.baeldung.com/rxjava-jdbc) + diff --git a/rxjava-libraries/pom.xml b/rxjava-libraries/pom.xml new file mode 100644 index 0000000000..541d9116c8 --- /dev/null +++ b/rxjava-libraries/pom.xml @@ -0,0 +1,59 @@ + + + 4.0.0 + rxjava-libraries + 1.0-SNAPSHOT + rxjava-libraries + + + com.baeldung + parent-java + 0.0.1-SNAPSHOT + ../parent-java + + + + + io.reactivex + rxjava + ${rx.java.version} + + + io.reactivex.rxjava2 + rxjava + ${rx.java2.version} + + + com.jakewharton.rxrelay2 + rxrelay + ${rxrelay.version} + + + com.github.davidmoten + rxjava-jdbc + ${rx.java.jdbc.version} + + + com.h2database + h2 + ${h2.version} + runtime + + + org.assertj + assertj-core + ${assertj.version} + + + + + + 0.7.11 + 1.2.5 + 2.0.0 + 2.2.2 + 3.8.0 + + + \ No newline at end of file diff --git a/rxjava-2/src/main/java/com/baeldung/rxjava/RandomRelay.java b/rxjava-libraries/src/main/java/com/baeldung/rxjava/RandomRelay.java similarity index 100% rename from rxjava-2/src/main/java/com/baeldung/rxjava/RandomRelay.java rename to rxjava-libraries/src/main/java/com/baeldung/rxjava/RandomRelay.java diff --git a/rxjava/src/main/java/com/baeldung/rxjava/jdbc/Connector.java b/rxjava-libraries/src/main/java/com/baeldung/rxjava/jdbc/Connector.java similarity index 100% rename from rxjava/src/main/java/com/baeldung/rxjava/jdbc/Connector.java rename to rxjava-libraries/src/main/java/com/baeldung/rxjava/jdbc/Connector.java diff --git a/rxjava/src/main/java/com/baeldung/rxjava/jdbc/Employee.java b/rxjava-libraries/src/main/java/com/baeldung/rxjava/jdbc/Employee.java similarity index 100% rename from rxjava/src/main/java/com/baeldung/rxjava/jdbc/Employee.java rename to rxjava-libraries/src/main/java/com/baeldung/rxjava/jdbc/Employee.java diff --git a/rxjava/src/main/java/com/baeldung/rxjava/jdbc/Manager.java b/rxjava-libraries/src/main/java/com/baeldung/rxjava/jdbc/Manager.java similarity index 100% rename from rxjava/src/main/java/com/baeldung/rxjava/jdbc/Manager.java rename to rxjava-libraries/src/main/java/com/baeldung/rxjava/jdbc/Manager.java diff --git a/rxjava/src/main/java/com/baeldung/rxjava/jdbc/Utils.java b/rxjava-libraries/src/main/java/com/baeldung/rxjava/jdbc/Utils.java similarity index 100% rename from rxjava/src/main/java/com/baeldung/rxjava/jdbc/Utils.java rename to rxjava-libraries/src/main/java/com/baeldung/rxjava/jdbc/Utils.java diff --git a/rxjava-2/src/test/java/com/baeldung/rxjava/FlowableIntegrationTest.java b/rxjava-libraries/src/test/java/com/baeldung/rxjava/FlowableIntegrationTest.java similarity index 100% rename from rxjava-2/src/test/java/com/baeldung/rxjava/FlowableIntegrationTest.java rename to rxjava-libraries/src/test/java/com/baeldung/rxjava/FlowableIntegrationTest.java diff --git a/rxjava-2/src/test/java/com/baeldung/rxjava/RxRelayIntegrationTest.java b/rxjava-libraries/src/test/java/com/baeldung/rxjava/RxRelayIntegrationTest.java similarity index 100% rename from rxjava-2/src/test/java/com/baeldung/rxjava/RxRelayIntegrationTest.java rename to rxjava-libraries/src/test/java/com/baeldung/rxjava/RxRelayIntegrationTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/jdbc/AutomapClassIntegrationTest.java b/rxjava-libraries/src/test/java/com/baeldung/rxjava/jdbc/AutomapClassIntegrationTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/jdbc/AutomapClassIntegrationTest.java rename to rxjava-libraries/src/test/java/com/baeldung/rxjava/jdbc/AutomapClassIntegrationTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/jdbc/AutomapInterfaceIntegrationTest.java b/rxjava-libraries/src/test/java/com/baeldung/rxjava/jdbc/AutomapInterfaceIntegrationTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/jdbc/AutomapInterfaceIntegrationTest.java rename to rxjava-libraries/src/test/java/com/baeldung/rxjava/jdbc/AutomapInterfaceIntegrationTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/jdbc/BasicQueryTypesIntegrationTest.java b/rxjava-libraries/src/test/java/com/baeldung/rxjava/jdbc/BasicQueryTypesIntegrationTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/jdbc/BasicQueryTypesIntegrationTest.java rename to rxjava-libraries/src/test/java/com/baeldung/rxjava/jdbc/BasicQueryTypesIntegrationTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/jdbc/InsertBlobIntegrationTest.java b/rxjava-libraries/src/test/java/com/baeldung/rxjava/jdbc/InsertBlobIntegrationTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/jdbc/InsertBlobIntegrationTest.java rename to rxjava-libraries/src/test/java/com/baeldung/rxjava/jdbc/InsertBlobIntegrationTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/jdbc/InsertClobIntegrationTest.java b/rxjava-libraries/src/test/java/com/baeldung/rxjava/jdbc/InsertClobIntegrationTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/jdbc/InsertClobIntegrationTest.java rename to rxjava-libraries/src/test/java/com/baeldung/rxjava/jdbc/InsertClobIntegrationTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/jdbc/ReturnKeysIntegrationTest.java b/rxjava-libraries/src/test/java/com/baeldung/rxjava/jdbc/ReturnKeysIntegrationTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/jdbc/ReturnKeysIntegrationTest.java rename to rxjava-libraries/src/test/java/com/baeldung/rxjava/jdbc/ReturnKeysIntegrationTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/jdbc/TransactionIntegrationTest.java b/rxjava-libraries/src/test/java/com/baeldung/rxjava/jdbc/TransactionIntegrationTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/jdbc/TransactionIntegrationTest.java rename to rxjava-libraries/src/test/java/com/baeldung/rxjava/jdbc/TransactionIntegrationTest.java diff --git a/rxjava/src/test/resources/actual_clob b/rxjava-libraries/src/test/resources/actual_clob similarity index 100% rename from rxjava/src/test/resources/actual_clob rename to rxjava-libraries/src/test/resources/actual_clob diff --git a/rxjava/src/test/resources/expected_clob b/rxjava-libraries/src/test/resources/expected_clob similarity index 100% rename from rxjava/src/test/resources/expected_clob rename to rxjava-libraries/src/test/resources/expected_clob diff --git a/rxjava-observables/README.md b/rxjava-observables/README.md new file mode 100644 index 0000000000..3bec990012 --- /dev/null +++ b/rxjava-observables/README.md @@ -0,0 +1,11 @@ +## RxJava Observables + + This module contains articles about RxJava Observables + +### Related Articles: + +- [Combining Observables in RxJava](https://www.baeldung.com/rxjava-combine-observables) +- [RxJava One Observable, Multiple Subscribers](https://www.baeldung.com/rxjava-multiple-subscribers-observable) +- [RxJava StringObservable](https://www.baeldung.com/rxjava-string) +- [Filtering Observables in RxJava](https://www.baeldung.com/rxjava-filtering) + diff --git a/rxjava-observables/pom.xml b/rxjava-observables/pom.xml new file mode 100644 index 0000000000..c2bf0bcd88 --- /dev/null +++ b/rxjava-observables/pom.xml @@ -0,0 +1,41 @@ + + + 4.0.0 + rxjava-observables + 1.0-SNAPSHOT + rxjava-observables + + + com.baeldung + parent-java + 0.0.1-SNAPSHOT + ../parent-java + + + + + io.reactivex + rxjava + ${rx.java.version} + + + io.reactivex + rxjava-string + ${rx.java.string.version} + + + org.assertj + assertj-core + ${assertj.version} + + + + + + 1.1.1 + 1.2.5 + 3.8.0 + + + \ No newline at end of file diff --git a/rxjava/src/main/java/com/baeldung/rxjava/MultipleSubscribersColdObs.java b/rxjava-observables/src/main/java/com/baeldung/rxjava/MultipleSubscribersColdObs.java similarity index 100% rename from rxjava/src/main/java/com/baeldung/rxjava/MultipleSubscribersColdObs.java rename to rxjava-observables/src/main/java/com/baeldung/rxjava/MultipleSubscribersColdObs.java diff --git a/rxjava/src/main/java/com/baeldung/rxjava/MultipleSubscribersHotObs.java b/rxjava-observables/src/main/java/com/baeldung/rxjava/MultipleSubscribersHotObs.java similarity index 100% rename from rxjava/src/main/java/com/baeldung/rxjava/MultipleSubscribersHotObs.java rename to rxjava-observables/src/main/java/com/baeldung/rxjava/MultipleSubscribersHotObs.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/combine/ObservableCombineUnitTest.java b/rxjava-observables/src/test/java/com/baeldung/rxjava/combine/ObservableCombineUnitTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/combine/ObservableCombineUnitTest.java rename to rxjava-observables/src/test/java/com/baeldung/rxjava/combine/ObservableCombineUnitTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/filters/RxJavaFilterOperatorsIntegrationTest.java b/rxjava-observables/src/test/java/com/baeldung/rxjava/filters/RxJavaFilterOperatorsIntegrationTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/filters/RxJavaFilterOperatorsIntegrationTest.java rename to rxjava-observables/src/test/java/com/baeldung/rxjava/filters/RxJavaFilterOperatorsIntegrationTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/filters/RxJavaSkipOperatorsIntegrationTest.java b/rxjava-observables/src/test/java/com/baeldung/rxjava/filters/RxJavaSkipOperatorsIntegrationTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/filters/RxJavaSkipOperatorsIntegrationTest.java rename to rxjava-observables/src/test/java/com/baeldung/rxjava/filters/RxJavaSkipOperatorsIntegrationTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/filters/RxJavaTimeFilteringOperatorsIntegrationTest.java b/rxjava-observables/src/test/java/com/baeldung/rxjava/filters/RxJavaTimeFilteringOperatorsIntegrationTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/filters/RxJavaTimeFilteringOperatorsIntegrationTest.java rename to rxjava-observables/src/test/java/com/baeldung/rxjava/filters/RxJavaTimeFilteringOperatorsIntegrationTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/operators/RxStringOperatorsUnitTest.java b/rxjava-observables/src/test/java/com/baeldung/rxjava/operators/RxStringOperatorsUnitTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/operators/RxStringOperatorsUnitTest.java rename to rxjava-observables/src/test/java/com/baeldung/rxjava/operators/RxStringOperatorsUnitTest.java diff --git a/rxjava-operators/README.md b/rxjava-operators/README.md new file mode 100644 index 0000000000..293d310bbd --- /dev/null +++ b/rxjava-operators/README.md @@ -0,0 +1,12 @@ +## RxJava Operators + + This module contains articles about RxJava Operators + +### Related Articles: + +- [Mathematical and Aggregate Operators in RxJava](https://www.baeldung.com/rxjava-math) +- [Observable Utility Operators in RxJava](https://www.baeldung.com/rxjava-observable-operators) +- [Implementing Custom Operators in RxJava](https://www.baeldung.com/rxjava-custom-operators) +- [Converting Synchronous and Asynchronous APIs to Observables using RxJava2](https://www.baeldung.com/rxjava-apis-to-observables) + + diff --git a/rxjava/pom.xml b/rxjava-operators/pom.xml similarity index 66% rename from rxjava/pom.xml rename to rxjava-operators/pom.xml index 85106d1127..8064613f45 100644 --- a/rxjava/pom.xml +++ b/rxjava-operators/pom.xml @@ -1,11 +1,11 @@ + xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 - rxjava + rxjava-operators 1.0-SNAPSHOT - rxjava - + rxjava-operators + com.baeldung parent-java @@ -19,48 +19,40 @@ rxjava ${rx.java.version} - - io.reactivex - rxjava-math - ${rx.java.math.version} + io.reactivex.rxjava2 + rxjava + ${rx.java2.version} - + - io.reactivex - rxjava-string - ${rx.java.string.version} - - - - com.jayway.awaitility - awaitility - ${awaitility.version} - - - com.github.davidmoten - rxjava-jdbc - ${rx.java.jdbc.version} - - - com.h2database - h2 - ${h2.version} - runtime + com.github.akarnokd + rxjava2-extensions + ${rxjava2.ext.version} org.assertj assertj-core ${assertj.version} + + io.reactivex + rxjava-math + ${rx.java.math.version} + + + com.jayway.awaitility + awaitility + ${awaitility.version} + + 0.20.4 + 2.2.2 3.8.0 1.2.5 - 0.7.11 1.0.0 - 1.1.1 1.7.0 diff --git a/rxjava/src/main/java/com/baeldung/rxjava/operator/ToCleanString.java b/rxjava-operators/src/main/java/com/baeldung/rxjava/operator/ToCleanString.java similarity index 100% rename from rxjava/src/main/java/com/baeldung/rxjava/operator/ToCleanString.java rename to rxjava-operators/src/main/java/com/baeldung/rxjava/operator/ToCleanString.java diff --git a/rxjava/src/main/java/com/baeldung/rxjava/operator/ToLength.java b/rxjava-operators/src/main/java/com/baeldung/rxjava/operator/ToLength.java similarity index 100% rename from rxjava/src/main/java/com/baeldung/rxjava/operator/ToLength.java rename to rxjava-operators/src/main/java/com/baeldung/rxjava/operator/ToLength.java diff --git a/rxjava-2/src/test/java/com/baeldung/rxjava/AsyncAndSyncToObservableIntegrationTest.java b/rxjava-operators/src/test/java/com/baeldung/rxjava/AsyncAndSyncToObservableIntegrationTest.java similarity index 96% rename from rxjava-2/src/test/java/com/baeldung/rxjava/AsyncAndSyncToObservableIntegrationTest.java rename to rxjava-operators/src/test/java/com/baeldung/rxjava/AsyncAndSyncToObservableIntegrationTest.java index 90f4fe94ae..2842fab80e 100644 --- a/rxjava-2/src/test/java/com/baeldung/rxjava/AsyncAndSyncToObservableIntegrationTest.java +++ b/rxjava-operators/src/test/java/com/baeldung/rxjava/AsyncAndSyncToObservableIntegrationTest.java @@ -1,107 +1,107 @@ -package com.baeldung.rxjava; - -import static org.junit.Assert.assertEquals; - -import java.util.Arrays; -import java.util.List; -import java.util.concurrent.Callable; -import java.util.concurrent.ExecutorService; -import java.util.concurrent.Executors; -import java.util.concurrent.Future; -import java.util.concurrent.TimeUnit; -import java.util.concurrent.atomic.AtomicInteger; - -import org.junit.Test; - -import hu.akarnokd.rxjava2.async.AsyncObservable; -import io.reactivex.Observable; - -public class AsyncAndSyncToObservableIntegrationTest { - - AtomicInteger counter = new AtomicInteger(); - Callable callable = () -> counter.incrementAndGet(); - - /* Method will execute every time it gets subscribed*/ - @Test - public void givenSyncMethod_whenConvertedWithFromCallable_thenReturnObservable() { - - Observable source = Observable.fromCallable(callable); - - for (int i = 1; i < 5; i++) { - source.test() - .awaitDone(5, TimeUnit.SECONDS) - .assertResult(i); - - assertEquals(i, counter.get()); - } - } - - /* Method will execute only once and cache its result.*/ - @Test - public void givenSyncMethod_whenConvertedWithStart_thenReturnObservable() { - - Observable source = AsyncObservable.start(callable); - - for (int i = 1; i < 5; i++) { - source.test() - .awaitDone(5, TimeUnit.SECONDS) - .assertResult(1); - - assertEquals(1, counter.get()); - } - } - - /* Method will execute only once and cache its result.*/ - @Test - public void givenAsyncMethod_whenConvertedWithFromFuture_thenRetrunObservble() { - - ExecutorService executor = Executors.newSingleThreadExecutor(); - Future future = executor.submit(callable); - Observable source = Observable.fromFuture(future); - - for (int i = 1; i < 5; i++) { - source.test() - .awaitDone(5, TimeUnit.SECONDS) - .assertResult(1); - - assertEquals(1, counter.get()); - } - - executor.shutdown(); - } - - /* Method will execute every time it gets subscribed*/ - @Test - public void givenAsyncMethod_whenConvertedWithStartFuture_thenRetrunObservble() { - - ExecutorService executor = Executors.newSingleThreadExecutor(); - Observable source = AsyncObservable.startFuture(() -> executor.submit(callable)); - - for (int i = 1; i < 5; i++) { - source.test() - .awaitDone(5, TimeUnit.SECONDS) - .assertResult(i); - - assertEquals(i, counter.get()); - } - - executor.shutdown(); - } - - /*Method will execute only once and cache its result.*/ - @Test - public void givenAsyncMethod_whenConvertedWithDeferFuture_thenRetrunObservble() { - List list = Arrays.asList(new Integer[] { counter.incrementAndGet(), counter.incrementAndGet(), counter.incrementAndGet() }); - ExecutorService exec = Executors.newSingleThreadExecutor(); - Callable> callable = () -> Observable.fromIterable(list); - Observable source = AsyncObservable.deferFuture(() -> exec.submit(callable)); - for (int i = 1; i < 4; i++) { - source.test() - .awaitDone(5, TimeUnit.SECONDS) - .assertResult(1, 2, 3); - } - - exec.shutdown(); - } - -} +package com.baeldung.rxjava; + +import static org.junit.Assert.assertEquals; + +import java.util.Arrays; +import java.util.List; +import java.util.concurrent.Callable; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.Future; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.atomic.AtomicInteger; + +import org.junit.Test; + +import hu.akarnokd.rxjava2.async.AsyncObservable; +import io.reactivex.Observable; + +public class AsyncAndSyncToObservableIntegrationTest { + + AtomicInteger counter = new AtomicInteger(); + Callable callable = () -> counter.incrementAndGet(); + + /* Method will execute every time it gets subscribed*/ + @Test + public void givenSyncMethod_whenConvertedWithFromCallable_thenReturnObservable() { + + Observable source = Observable.fromCallable(callable); + + for (int i = 1; i < 5; i++) { + source.test() + .awaitDone(5, TimeUnit.SECONDS) + .assertResult(i); + + assertEquals(i, counter.get()); + } + } + + /* Method will execute only once and cache its result.*/ + @Test + public void givenSyncMethod_whenConvertedWithStart_thenReturnObservable() { + + Observable source = AsyncObservable.start(callable); + + for (int i = 1; i < 5; i++) { + source.test() + .awaitDone(5, TimeUnit.SECONDS) + .assertResult(1); + + assertEquals(1, counter.get()); + } + } + + /* Method will execute only once and cache its result.*/ + @Test + public void givenAsyncMethod_whenConvertedWithFromFuture_thenRetrunObservble() { + + ExecutorService executor = Executors.newSingleThreadExecutor(); + Future future = executor.submit(callable); + Observable source = Observable.fromFuture(future); + + for (int i = 1; i < 5; i++) { + source.test() + .awaitDone(5, TimeUnit.SECONDS) + .assertResult(1); + + assertEquals(1, counter.get()); + } + + executor.shutdown(); + } + + /* Method will execute every time it gets subscribed*/ + @Test + public void givenAsyncMethod_whenConvertedWithStartFuture_thenRetrunObservble() { + + ExecutorService executor = Executors.newSingleThreadExecutor(); + Observable source = AsyncObservable.startFuture(() -> executor.submit(callable)); + + for (int i = 1; i < 5; i++) { + source.test() + .awaitDone(5, TimeUnit.SECONDS) + .assertResult(i); + + assertEquals(i, counter.get()); + } + + executor.shutdown(); + } + + /*Method will execute only once and cache its result.*/ + @Test + public void givenAsyncMethod_whenConvertedWithDeferFuture_thenRetrunObservble() { + List list = Arrays.asList(new Integer[] { counter.incrementAndGet(), counter.incrementAndGet(), counter.incrementAndGet() }); + ExecutorService exec = Executors.newSingleThreadExecutor(); + Callable> callable = () -> Observable.fromIterable(list); + Observable source = AsyncObservable.deferFuture(() -> exec.submit(callable)); + for (int i = 1; i < 4; i++) { + source.test() + .awaitDone(5, TimeUnit.SECONDS) + .assertResult(1, 2, 3); + } + + exec.shutdown(); + } + +} diff --git a/rxjava/src/test/java/com/baeldung/rxjava/RxJavaCustomOperatorUnitTest.java b/rxjava-operators/src/test/java/com/baeldung/rxjava/RxJavaCustomOperatorUnitTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/RxJavaCustomOperatorUnitTest.java rename to rxjava-operators/src/test/java/com/baeldung/rxjava/RxJavaCustomOperatorUnitTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/UtilityOperatorsIntegrationTest.java b/rxjava-operators/src/test/java/com/baeldung/rxjava/UtilityOperatorsIntegrationTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/UtilityOperatorsIntegrationTest.java rename to rxjava-operators/src/test/java/com/baeldung/rxjava/UtilityOperatorsIntegrationTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/operators/RxAggregateOperatorsUnitTest.java b/rxjava-operators/src/test/java/com/baeldung/rxjava/operators/RxAggregateOperatorsUnitTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/operators/RxAggregateOperatorsUnitTest.java rename to rxjava-operators/src/test/java/com/baeldung/rxjava/operators/RxAggregateOperatorsUnitTest.java diff --git a/rxjava-2/src/test/java/com/baeldung/rxjava/operators/RxFlatmapAndSwitchmapUnitTest.java b/rxjava-operators/src/test/java/com/baeldung/rxjava/operators/RxFlatmapAndSwitchmapUnitTest.java similarity index 100% rename from rxjava-2/src/test/java/com/baeldung/rxjava/operators/RxFlatmapAndSwitchmapUnitTest.java rename to rxjava-operators/src/test/java/com/baeldung/rxjava/operators/RxFlatmapAndSwitchmapUnitTest.java diff --git a/rxjava/src/test/java/com/baeldung/rxjava/operators/RxMathematicalOperatorsUnitTest.java b/rxjava-operators/src/test/java/com/baeldung/rxjava/operators/RxMathematicalOperatorsUnitTest.java similarity index 100% rename from rxjava/src/test/java/com/baeldung/rxjava/operators/RxMathematicalOperatorsUnitTest.java rename to rxjava-operators/src/test/java/com/baeldung/rxjava/operators/RxMathematicalOperatorsUnitTest.java diff --git a/rxjava/README.md b/rxjava/README.md deleted file mode 100644 index c9308ddcc6..0000000000 --- a/rxjava/README.md +++ /dev/null @@ -1,20 +0,0 @@ -## RxJava - -This module contains articles about RxJava. - -### Relevant articles: - -- [Dealing with Backpressure with RxJava](https://www.baeldung.com/rxjava-backpressure) -- [How to Test RxJava?](https://www.baeldung.com/rxjava-testing) -- [Implementing Custom Operators in RxJava](https://www.baeldung.com/rxjava-custom-operators) -- [Introduction to RxJava](https://www.baeldung.com/rx-java) -- [Observable Utility Operators in RxJava](https://www.baeldung.com/rxjava-observable-operators) -- [Introduction to rxjava-jdbc](https://www.baeldung.com/rxjava-jdbc) -- [Schedulers in RxJava](https://www.baeldung.com/rxjava-schedulers) -- [Mathematical and Aggregate Operators in RxJava](https://www.baeldung.com/rxjava-math) -- [Combining Observables in RxJava](https://www.baeldung.com/rxjava-combine-observables) -- [RxJava StringObservable](https://www.baeldung.com/rxjava-string) -- [Filtering Observables in RxJava](https://www.baeldung.com/rxjava-filtering) -- [RxJava One Observable, Multiple Subscribers](https://www.baeldung.com/rxjava-multiple-subscribers-observable) -- [Difference Between Flatmap and Switchmap in RxJava](https://www.baeldung.com/rxjava-flatmap-switchmap) -- More articles: [[next -->]](/rxjava-2) diff --git a/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/ErrorHandlingApp.java b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/ErrorHandlingApp.java new file mode 100644 index 0000000000..72a9ec8ad7 --- /dev/null +++ b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/ErrorHandlingApp.java @@ -0,0 +1,26 @@ +package com.baeldung.springamqp.errorhandling; + +import com.baeldung.springamqp.errorhandling.producer.MessageProducer; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.boot.context.event.ApplicationReadyEvent; +import org.springframework.context.event.EventListener; +import org.springframework.scheduling.annotation.EnableScheduling; + +@SpringBootApplication +@EnableScheduling +public class ErrorHandlingApp { + + @Autowired + MessageProducer messageProducer; + + public static void main(String[] args) { + SpringApplication.run(ErrorHandlingApp.class, args); + } + + @EventListener(ApplicationReadyEvent.class) + public void doSomethingAfterStartup() { + messageProducer.sendMessage(); + } +} diff --git a/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/configuration/DLXCustomAmqpConfiguration.java b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/configuration/DLXCustomAmqpConfiguration.java new file mode 100644 index 0000000000..708b08476d --- /dev/null +++ b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/configuration/DLXCustomAmqpConfiguration.java @@ -0,0 +1,55 @@ +package com.baeldung.springamqp.errorhandling.configuration; + +import org.springframework.amqp.core.Binding; +import org.springframework.amqp.core.BindingBuilder; +import org.springframework.amqp.core.DirectExchange; +import org.springframework.amqp.core.FanoutExchange; +import org.springframework.amqp.core.Queue; +import org.springframework.amqp.core.QueueBuilder; +import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; + +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.EXCHANGE_MESSAGES; +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.QUEUE_MESSAGES; +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.QUEUE_MESSAGES_DLQ; + +@Configuration +@ConditionalOnProperty( + value = "amqp.configuration.current", + havingValue = "dlx-custom") +public class DLXCustomAmqpConfiguration { + public static final String DLX_EXCHANGE_MESSAGES = QUEUE_MESSAGES + ".dlx"; + + @Bean + Queue messagesQueue() { + return QueueBuilder.durable(QUEUE_MESSAGES) + .withArgument("x-dead-letter-exchange", DLX_EXCHANGE_MESSAGES) + .build(); + } + + @Bean + FanoutExchange deadLetterExchange() { + return new FanoutExchange(DLX_EXCHANGE_MESSAGES); + } + + @Bean + Queue deadLetterQueue() { + return QueueBuilder.durable(QUEUE_MESSAGES_DLQ).build(); + } + + @Bean + Binding deadLetterBinding() { + return BindingBuilder.bind(deadLetterQueue()).to(deadLetterExchange()); + } + + @Bean + DirectExchange messagesExchange() { + return new DirectExchange(EXCHANGE_MESSAGES); + } + + @Bean + Binding bindingMessages() { + return BindingBuilder.bind(messagesQueue()).to(messagesExchange()).with(QUEUE_MESSAGES); + } +} diff --git a/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/configuration/DLXParkingLotAmqpConfiguration.java b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/configuration/DLXParkingLotAmqpConfiguration.java new file mode 100644 index 0000000000..bff325e657 --- /dev/null +++ b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/configuration/DLXParkingLotAmqpConfiguration.java @@ -0,0 +1,72 @@ +package com.baeldung.springamqp.errorhandling.configuration; + +import org.springframework.amqp.core.Binding; +import org.springframework.amqp.core.BindingBuilder; +import org.springframework.amqp.core.DirectExchange; +import org.springframework.amqp.core.FanoutExchange; +import org.springframework.amqp.core.Queue; +import org.springframework.amqp.core.QueueBuilder; +import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; + +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.EXCHANGE_MESSAGES; +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.QUEUE_MESSAGES; +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.QUEUE_MESSAGES_DLQ; + +@Configuration +@ConditionalOnProperty( + value = "amqp.configuration.current", + havingValue = "parking-lot-dlx") +public class DLXParkingLotAmqpConfiguration { + public static final String DLX_EXCHANGE_MESSAGES = QUEUE_MESSAGES + ".dlx"; + public static final String QUEUE_PARKING_LOT = QUEUE_MESSAGES + ".parking-lot"; + public static final String EXCHANGE_PARKING_LOT = QUEUE_MESSAGES + "exchange.parking-lot"; + + @Bean + FanoutExchange parkingLotExchange() { + return new FanoutExchange(EXCHANGE_PARKING_LOT); + } + + @Bean + Queue parkingLotQueue() { + return QueueBuilder.durable(QUEUE_PARKING_LOT).build(); + } + + @Bean + Binding parkingLotBinding() { + return BindingBuilder.bind(parkingLotQueue()).to(parkingLotExchange()); + } + + @Bean + Queue messagesQueue() { + return QueueBuilder.durable(QUEUE_MESSAGES) + .withArgument("x-dead-letter-exchange", DLX_EXCHANGE_MESSAGES) + .build(); + } + + @Bean + FanoutExchange deadLetterExchange() { + return new FanoutExchange(DLX_EXCHANGE_MESSAGES); + } + + @Bean + Queue deadLetterQueue() { + return QueueBuilder.durable(QUEUE_MESSAGES_DLQ).build(); + } + + @Bean + Binding deadLetterBinding() { + return BindingBuilder.bind(deadLetterQueue()).to(deadLetterExchange()); + } + + @Bean + DirectExchange messagesExchange() { + return new DirectExchange(EXCHANGE_MESSAGES); + } + + @Bean + Binding bindingMessages() { + return BindingBuilder.bind(messagesQueue()).to(messagesExchange()).with(QUEUE_MESSAGES); + } +} diff --git a/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/configuration/FatalExceptionStrategyAmqpConfiguration.java b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/configuration/FatalExceptionStrategyAmqpConfiguration.java new file mode 100644 index 0000000000..dcd76d7f72 --- /dev/null +++ b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/configuration/FatalExceptionStrategyAmqpConfiguration.java @@ -0,0 +1,63 @@ +package com.baeldung.springamqp.errorhandling.configuration; + +import com.baeldung.springamqp.errorhandling.errorhandler.CustomFatalExceptionStrategy; +import org.springframework.amqp.core.Binding; +import org.springframework.amqp.core.BindingBuilder; +import org.springframework.amqp.core.DirectExchange; +import org.springframework.amqp.core.Queue; +import org.springframework.amqp.core.QueueBuilder; +import org.springframework.amqp.rabbit.config.SimpleRabbitListenerContainerFactory; +import org.springframework.amqp.rabbit.connection.ConnectionFactory; +import org.springframework.amqp.rabbit.listener.ConditionalRejectingErrorHandler; +import org.springframework.amqp.rabbit.listener.FatalExceptionStrategy; +import org.springframework.boot.autoconfigure.amqp.SimpleRabbitListenerContainerFactoryConfigurer; +import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.util.ErrorHandler; + +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.EXCHANGE_MESSAGES; +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.QUEUE_MESSAGES; + +@Configuration +@ConditionalOnProperty( + value = "amqp.configuration.current", + havingValue = "fatal-error-strategy") +public class FatalExceptionStrategyAmqpConfiguration { + + @Bean + public SimpleRabbitListenerContainerFactory rabbitListenerContainerFactory( + ConnectionFactory connectionFactory, + SimpleRabbitListenerContainerFactoryConfigurer configurer) { + SimpleRabbitListenerContainerFactory factory = new SimpleRabbitListenerContainerFactory(); + configurer.configure(factory, connectionFactory); + factory.setErrorHandler(errorHandler()); + return factory; + } + + @Bean + public ErrorHandler errorHandler() { + return new ConditionalRejectingErrorHandler(customExceptionStrategy()); + } + + @Bean + FatalExceptionStrategy customExceptionStrategy() { + return new CustomFatalExceptionStrategy(); + } + + @Bean + Queue messagesQueue() { + return QueueBuilder.durable(QUEUE_MESSAGES) + .build(); + } + + @Bean + DirectExchange messagesExchange() { + return new DirectExchange(EXCHANGE_MESSAGES); + } + + @Bean + Binding bindingMessages() { + return BindingBuilder.bind(messagesQueue()).to(messagesExchange()).with(QUEUE_MESSAGES); + } +} diff --git a/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/configuration/ListenerErrorHandlerAmqpConfiguration.java b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/configuration/ListenerErrorHandlerAmqpConfiguration.java new file mode 100644 index 0000000000..8990381da2 --- /dev/null +++ b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/configuration/ListenerErrorHandlerAmqpConfiguration.java @@ -0,0 +1,55 @@ +package com.baeldung.springamqp.errorhandling.configuration; + +import com.baeldung.springamqp.errorhandling.errorhandler.CustomErrorHandler; +import org.springframework.amqp.core.Binding; +import org.springframework.amqp.core.BindingBuilder; +import org.springframework.amqp.core.DirectExchange; +import org.springframework.amqp.core.Queue; +import org.springframework.amqp.core.QueueBuilder; +import org.springframework.amqp.rabbit.config.SimpleRabbitListenerContainerFactory; +import org.springframework.amqp.rabbit.connection.ConnectionFactory; +import org.springframework.boot.autoconfigure.amqp.SimpleRabbitListenerContainerFactoryConfigurer; +import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.util.ErrorHandler; + +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.EXCHANGE_MESSAGES; +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.QUEUE_MESSAGES; + +@Configuration +@ConditionalOnProperty( + value = "amqp.configuration.current", + havingValue = "listener-error") +public class ListenerErrorHandlerAmqpConfiguration { + + @Bean + public ErrorHandler errorHandler() { + return new CustomErrorHandler(); + } + + @Bean + public SimpleRabbitListenerContainerFactory rabbitListenerContainerFactory(ConnectionFactory connectionFactory, + SimpleRabbitListenerContainerFactoryConfigurer configurer) { + SimpleRabbitListenerContainerFactory factory = new SimpleRabbitListenerContainerFactory(); + configurer.configure(factory, connectionFactory); + factory.setErrorHandler(errorHandler()); + return factory; + } + + @Bean + Queue messagesQueue() { + return QueueBuilder.durable(QUEUE_MESSAGES) + .build(); + } + + @Bean + DirectExchange messagesExchange() { + return new DirectExchange(EXCHANGE_MESSAGES); + } + + @Bean + Binding bindingMessages() { + return BindingBuilder.bind(messagesQueue()).to(messagesExchange()).with(QUEUE_MESSAGES); + } +} diff --git a/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/configuration/RoutingKeyDLQAmqpConfiguration.java b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/configuration/RoutingKeyDLQAmqpConfiguration.java new file mode 100644 index 0000000000..defabed306 --- /dev/null +++ b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/configuration/RoutingKeyDLQAmqpConfiguration.java @@ -0,0 +1,55 @@ +package com.baeldung.springamqp.errorhandling.configuration; + +import org.springframework.amqp.core.Binding; +import org.springframework.amqp.core.BindingBuilder; +import org.springframework.amqp.core.DirectExchange; +import org.springframework.amqp.core.FanoutExchange; +import org.springframework.amqp.core.Queue; +import org.springframework.amqp.core.QueueBuilder; +import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; + +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.EXCHANGE_MESSAGES; +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.QUEUE_MESSAGES; +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.QUEUE_MESSAGES_DLQ; + +@Configuration +@ConditionalOnProperty( + value = "amqp.configuration.current", + havingValue = "routing-dlq") +public class RoutingKeyDLQAmqpConfiguration { + public static final String DLX_EXCHANGE_MESSAGES = QUEUE_MESSAGES + ".dlx"; + + @Bean + Queue messagesQueue() { + return QueueBuilder.durable(QUEUE_MESSAGES) + .withArgument("x-dead-letter-exchange", DLX_EXCHANGE_MESSAGES) + .build(); + } + + @Bean + FanoutExchange deadLetterExchange() { + return new FanoutExchange(DLX_EXCHANGE_MESSAGES); + } + + @Bean + Queue deadLetterQueue() { + return QueueBuilder.durable(QUEUE_MESSAGES_DLQ).build(); + } + + @Bean + Binding deadLetterBinding() { + return BindingBuilder.bind(deadLetterQueue()).to(deadLetterExchange()); + } + + @Bean + DirectExchange messagesExchange() { + return new DirectExchange(EXCHANGE_MESSAGES); + } + + @Bean + Binding bindingMessages() { + return BindingBuilder.bind(messagesQueue()).to(messagesExchange()).with(QUEUE_MESSAGES); + } +} diff --git a/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/configuration/SimpleDLQAmqpConfiguration.java b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/configuration/SimpleDLQAmqpConfiguration.java new file mode 100644 index 0000000000..ea129986ca --- /dev/null +++ b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/configuration/SimpleDLQAmqpConfiguration.java @@ -0,0 +1,43 @@ +package com.baeldung.springamqp.errorhandling.configuration; + +import org.springframework.amqp.core.Binding; +import org.springframework.amqp.core.BindingBuilder; +import org.springframework.amqp.core.DirectExchange; +import org.springframework.amqp.core.Queue; +import org.springframework.amqp.core.QueueBuilder; +import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; + +@Configuration +@ConditionalOnProperty( + value = "amqp.configuration.current", + havingValue = "simple-dlq") +public class SimpleDLQAmqpConfiguration { + public static final String QUEUE_MESSAGES = "baeldung-messages-queue"; + public static final String QUEUE_MESSAGES_DLQ = QUEUE_MESSAGES + ".dlq"; + public static final String EXCHANGE_MESSAGES = "baeldung-messages-exchange"; + + @Bean + Queue messagesQueue() { + return QueueBuilder.durable(QUEUE_MESSAGES) + .withArgument("x-dead-letter-exchange", "") + .withArgument("x-dead-letter-routing-key", QUEUE_MESSAGES_DLQ) + .build(); + } + + @Bean + Queue deadLetterQueue() { + return QueueBuilder.durable(QUEUE_MESSAGES_DLQ).build(); + } + + @Bean + DirectExchange messagesExchange() { + return new DirectExchange(EXCHANGE_MESSAGES); + } + + @Bean + Binding bindingMessages() { + return BindingBuilder.bind(messagesQueue()).to(messagesExchange()).with(QUEUE_MESSAGES); + } +} diff --git a/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/consumer/DLQCustomAmqpContainer.java b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/consumer/DLQCustomAmqpContainer.java new file mode 100644 index 0000000000..62907abee9 --- /dev/null +++ b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/consumer/DLQCustomAmqpContainer.java @@ -0,0 +1,35 @@ +package com.baeldung.springamqp.errorhandling.consumer; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.amqp.core.Message; +import org.springframework.amqp.rabbit.annotation.RabbitListener; +import org.springframework.amqp.rabbit.core.RabbitTemplate; + +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.EXCHANGE_MESSAGES; +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.QUEUE_MESSAGES_DLQ; +import static com.baeldung.springamqp.errorhandling.consumer.MessagesConsumer.HEADER_X_RETRIES_COUNT; + +public class DLQCustomAmqpContainer { + private static final Logger log = LoggerFactory.getLogger(DLQCustomAmqpContainer.class); + private final RabbitTemplate rabbitTemplate; + public static final int MAX_RETRIES_COUNT = 2; + + public DLQCustomAmqpContainer(RabbitTemplate rabbitTemplate) { + this.rabbitTemplate = rabbitTemplate; + } + + @RabbitListener(queues = QUEUE_MESSAGES_DLQ) + public void processFailedMessagesRetryHeaders(Message failedMessage) { + Integer retriesCnt = (Integer) failedMessage.getMessageProperties().getHeaders().get(HEADER_X_RETRIES_COUNT); + if (retriesCnt == null) + retriesCnt = 1; + if (retriesCnt > MAX_RETRIES_COUNT) { + log.info("Discarding message"); + return; + } + log.info("Retrying message for the {} time", retriesCnt); + failedMessage.getMessageProperties().getHeaders().put(HEADER_X_RETRIES_COUNT, ++retriesCnt); + rabbitTemplate.send(EXCHANGE_MESSAGES, failedMessage.getMessageProperties().getReceivedRoutingKey(), failedMessage); + } +} diff --git a/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/consumer/MessagesConsumer.java b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/consumer/MessagesConsumer.java new file mode 100644 index 0000000000..17b65c58da --- /dev/null +++ b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/consumer/MessagesConsumer.java @@ -0,0 +1,63 @@ +package com.baeldung.springamqp.errorhandling.consumer; + +import com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration; +import com.baeldung.springamqp.errorhandling.errorhandler.BusinessException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.amqp.core.Message; +import org.springframework.amqp.rabbit.annotation.RabbitListener; +import org.springframework.amqp.rabbit.core.RabbitTemplate; +import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; + +@Configuration +public class MessagesConsumer { + public static final String HEADER_X_RETRIES_COUNT = "x-retries-count"; + + + private static final Logger log = LoggerFactory.getLogger(MessagesConsumer.class); + private final RabbitTemplate rabbitTemplate; + + public MessagesConsumer(RabbitTemplate rabbitTemplate) { + this.rabbitTemplate = rabbitTemplate; + } + + @RabbitListener(queues = SimpleDLQAmqpConfiguration.QUEUE_MESSAGES) + public void receiveMessage(Message message) throws BusinessException { + log.info("Received message: {}", message.toString()); + throw new BusinessException(); + } + + @Bean + @ConditionalOnProperty( + value = "amqp.configuration.current", + havingValue = "simple-dlq") + public SimpleDLQAmqpContainer simpleAmqpContainer() { + return new SimpleDLQAmqpContainer(rabbitTemplate); + } + + @Bean + @ConditionalOnProperty( + value = "amqp.configuration.current", + havingValue = "routing-dlq") + public RoutingDLQAmqpContainer routingDLQAmqpContainer() { + return new RoutingDLQAmqpContainer(rabbitTemplate); + } + + @Bean + @ConditionalOnProperty( + value = "amqp.configuration.current", + havingValue = "dlx-custom") + public DLQCustomAmqpContainer dlqAmqpContainer() { + return new DLQCustomAmqpContainer(rabbitTemplate); + } + + @Bean + @ConditionalOnProperty( + value = "amqp.configuration.current", + havingValue = "parking-lot-dlx") + public ParkingLotDLQAmqpContainer parkingLotDLQAmqpContainer() { + return new ParkingLotDLQAmqpContainer(rabbitTemplate); + } +} \ No newline at end of file diff --git a/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/consumer/ParkingLotDLQAmqpContainer.java b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/consumer/ParkingLotDLQAmqpContainer.java new file mode 100644 index 0000000000..34dccd408a --- /dev/null +++ b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/consumer/ParkingLotDLQAmqpContainer.java @@ -0,0 +1,43 @@ +package com.baeldung.springamqp.errorhandling.consumer; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.amqp.core.Message; +import org.springframework.amqp.rabbit.annotation.RabbitListener; +import org.springframework.amqp.rabbit.core.RabbitTemplate; + +import static com.baeldung.springamqp.errorhandling.configuration.DLXParkingLotAmqpConfiguration.EXCHANGE_PARKING_LOT; +import static com.baeldung.springamqp.errorhandling.configuration.DLXParkingLotAmqpConfiguration.QUEUE_PARKING_LOT; +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.EXCHANGE_MESSAGES; +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.QUEUE_MESSAGES_DLQ; +import static com.baeldung.springamqp.errorhandling.consumer.MessagesConsumer.HEADER_X_RETRIES_COUNT; + +public class ParkingLotDLQAmqpContainer { + private static final Logger log = LoggerFactory.getLogger(ParkingLotDLQAmqpContainer.class); + private final RabbitTemplate rabbitTemplate; + public static final int MAX_RETRIES_COUNT = 2; + + public ParkingLotDLQAmqpContainer(RabbitTemplate rabbitTemplate) { + this.rabbitTemplate = rabbitTemplate; + } + + @RabbitListener(queues = QUEUE_MESSAGES_DLQ) + public void processFailedMessagesRetryWithParkingLot(Message failedMessage) { + Integer retriesCnt = (Integer) failedMessage.getMessageProperties().getHeaders().get(HEADER_X_RETRIES_COUNT); + if (retriesCnt == null) + retriesCnt = 1; + if (retriesCnt > MAX_RETRIES_COUNT) { + log.info("Sending message to the parking lot queue"); + rabbitTemplate.send(EXCHANGE_PARKING_LOT, failedMessage.getMessageProperties().getReceivedRoutingKey(), failedMessage); + return; + } + log.info("Retrying message for the {} time", retriesCnt); + failedMessage.getMessageProperties().getHeaders().put(HEADER_X_RETRIES_COUNT, ++retriesCnt); + rabbitTemplate.send(EXCHANGE_MESSAGES, failedMessage.getMessageProperties().getReceivedRoutingKey(), failedMessage); + } + + @RabbitListener(queues = QUEUE_PARKING_LOT) + public void processParkingLotQueue(Message failedMessage) { + log.info("Received message in parking lot queue {}", failedMessage.toString()); + } +} diff --git a/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/consumer/RoutingDLQAmqpContainer.java b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/consumer/RoutingDLQAmqpContainer.java new file mode 100644 index 0000000000..fedce76880 --- /dev/null +++ b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/consumer/RoutingDLQAmqpContainer.java @@ -0,0 +1,33 @@ +package com.baeldung.springamqp.errorhandling.consumer; + +import com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration; +import com.baeldung.springamqp.errorhandling.errorhandler.BusinessException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.amqp.core.Message; +import org.springframework.amqp.rabbit.annotation.RabbitListener; +import org.springframework.amqp.rabbit.core.RabbitTemplate; + +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.EXCHANGE_MESSAGES; +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.QUEUE_MESSAGES_DLQ; + +public class RoutingDLQAmqpContainer { + private static final Logger log = LoggerFactory.getLogger(RoutingDLQAmqpContainer.class); + private final RabbitTemplate rabbitTemplate; + + public RoutingDLQAmqpContainer(RabbitTemplate rabbitTemplate) { + this.rabbitTemplate = rabbitTemplate; + } + + @RabbitListener(queues = SimpleDLQAmqpConfiguration.QUEUE_MESSAGES) + public void receiveMessage(Message message) throws BusinessException { + log.info("Received message: {}", message.toString()); + throw new BusinessException(); + } + + @RabbitListener(queues = QUEUE_MESSAGES_DLQ) + public void processFailedMessagesRequeue(Message failedMessage) { + log.info("Received failed message, requeueing: {}", failedMessage.toString()); + rabbitTemplate.send(EXCHANGE_MESSAGES, failedMessage.getMessageProperties().getReceivedRoutingKey(), failedMessage); + } +} diff --git a/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/consumer/SimpleDLQAmqpContainer.java b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/consumer/SimpleDLQAmqpContainer.java new file mode 100644 index 0000000000..6f9da7b587 --- /dev/null +++ b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/consumer/SimpleDLQAmqpContainer.java @@ -0,0 +1,31 @@ +package com.baeldung.springamqp.errorhandling.consumer; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.amqp.core.Message; +import org.springframework.amqp.rabbit.annotation.RabbitListener; +import org.springframework.amqp.rabbit.core.RabbitTemplate; + +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.EXCHANGE_MESSAGES; +import static com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration.QUEUE_MESSAGES_DLQ; + +public class SimpleDLQAmqpContainer { + private static final Logger log = LoggerFactory.getLogger(SimpleDLQAmqpContainer.class); + private final RabbitTemplate rabbitTemplate; + + public SimpleDLQAmqpContainer(RabbitTemplate rabbitTemplate) { + this.rabbitTemplate = rabbitTemplate; + } + + @RabbitListener(queues = QUEUE_MESSAGES_DLQ) + public void processFailedMessages(Message message) { + log.info("Received failed message: {}", message.toString()); + } + + @RabbitListener(queues = QUEUE_MESSAGES_DLQ) + public void processFailedMessagesRequeue(Message failedMessage) { + log.info("Received failed message, requeueing: {}", failedMessage.toString()); + log.info("Received failed message, requeueing: {}", failedMessage.getMessageProperties().getReceivedRoutingKey()); + rabbitTemplate.send(EXCHANGE_MESSAGES, failedMessage.getMessageProperties().getReceivedRoutingKey(), failedMessage); + } +} diff --git a/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/errorhandler/BusinessException.java b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/errorhandler/BusinessException.java new file mode 100644 index 0000000000..faec96e2aa --- /dev/null +++ b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/errorhandler/BusinessException.java @@ -0,0 +1,4 @@ +package com.baeldung.springamqp.errorhandling.errorhandler; + +public class BusinessException extends Exception { +} diff --git a/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/errorhandler/CustomErrorHandler.java b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/errorhandler/CustomErrorHandler.java new file mode 100644 index 0000000000..5c5e9cdf13 --- /dev/null +++ b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/errorhandler/CustomErrorHandler.java @@ -0,0 +1,14 @@ +package com.baeldung.springamqp.errorhandling.errorhandler; + +import org.springframework.amqp.AmqpRejectAndDontRequeueException; +import org.springframework.util.ErrorHandler; + +public class CustomErrorHandler implements ErrorHandler { + + @Override + public void handleError(Throwable t) { + if (!(t.getCause() instanceof BusinessException)) { + throw new AmqpRejectAndDontRequeueException("Error Handler converted exception to fatal", t); + } + } +} diff --git a/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/errorhandler/CustomFatalExceptionStrategy.java b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/errorhandler/CustomFatalExceptionStrategy.java new file mode 100644 index 0000000000..e14be4e73c --- /dev/null +++ b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/errorhandler/CustomFatalExceptionStrategy.java @@ -0,0 +1,10 @@ +package com.baeldung.springamqp.errorhandling.errorhandler; + +import org.springframework.amqp.rabbit.listener.ConditionalRejectingErrorHandler; + +public class CustomFatalExceptionStrategy extends ConditionalRejectingErrorHandler.DefaultExceptionStrategy { + @Override + public boolean isFatal(Throwable t) { + return !(t.getCause() instanceof BusinessException); + } +} \ No newline at end of file diff --git a/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/producer/MessageProducer.java b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/producer/MessageProducer.java new file mode 100644 index 0000000000..c14fd5bf3b --- /dev/null +++ b/spring-amqp/src/main/java/com/baeldung/springamqp/errorhandling/producer/MessageProducer.java @@ -0,0 +1,24 @@ +package com.baeldung.springamqp.errorhandling.producer; + +import com.baeldung.springamqp.errorhandling.configuration.SimpleDLQAmqpConfiguration; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.amqp.rabbit.core.RabbitTemplate; +import org.springframework.stereotype.Service; + +@Service +public class MessageProducer { + + private static final Logger log = LoggerFactory.getLogger(MessageProducer.class); + private int messageNumber = 0; + private final RabbitTemplate rabbitTemplate; + + public MessageProducer(final RabbitTemplate rabbitTemplate) { + this.rabbitTemplate = rabbitTemplate; + } + + public void sendMessage() { + log.info("Sending message..."); + rabbitTemplate.convertAndSend(SimpleDLQAmqpConfiguration.EXCHANGE_MESSAGES, SimpleDLQAmqpConfiguration.QUEUE_MESSAGES, "Some message id:" + messageNumber++); + } +} \ No newline at end of file diff --git a/spring-amqp/src/main/resources/application.properties b/spring-amqp/src/main/resources/application.properties new file mode 100644 index 0000000000..c0c1cf1b47 --- /dev/null +++ b/spring-amqp/src/main/resources/application.properties @@ -0,0 +1,3 @@ +spring.rabbitmq.listener.simple.default-requeue-rejected=false +spring.main.allow-bean-definition-overriding=true +amqp.configuration.current=parking-lot-dlx \ No newline at end of file diff --git a/spring-boot-springdoc/pom.xml b/spring-boot-springdoc/pom.xml new file mode 100644 index 0000000000..a818db6e53 --- /dev/null +++ b/spring-boot-springdoc/pom.xml @@ -0,0 +1,106 @@ + + + 4.0.0 + com.baeldung + spring-boot-springdoc + 0.0.1-SNAPSHOT + spring-boot-springdoc + Project for Springdoc integration + jar + + + parent-boot-2 + com.baeldung + 0.0.1-SNAPSHOT + ../parent-boot-2 + + + + 1.8 + + + + + org.springframework.boot + spring-boot-starter-web + + + + org.springframework.boot + spring-boot-starter-test + test + + + + + org.springdoc + springdoc-openapi-core + 1.1.45 + + + org.springdoc + springdoc-openapi-ui + 1.1.45 + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + + + + integration + + + + org.springframework.boot + spring-boot-maven-plugin + 2.1.8.RELEASE + + + pre-integration-test + + start + + + + post-integration-test + + stop + + + + + + org.springdoc + springdoc-openapi-maven-plugin + 0.2 + + + integration-test + + generate + + + + + http://localhost:8080/api-docs + openapi.json + ${project.build.directory} + + + + + + + + + \ No newline at end of file diff --git a/spring-boot-springdoc/src/main/java/com/baeldung/springdoc/SpringdocApplication.java b/spring-boot-springdoc/src/main/java/com/baeldung/springdoc/SpringdocApplication.java new file mode 100644 index 0000000000..45c7c23621 --- /dev/null +++ b/spring-boot-springdoc/src/main/java/com/baeldung/springdoc/SpringdocApplication.java @@ -0,0 +1,13 @@ +package com.baeldung.springdoc; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class SpringdocApplication { + + public static void main(String[] args) { + SpringApplication.run(SpringdocApplication.class, args); + } + +} diff --git a/spring-boot-springdoc/src/main/java/com/baeldung/springdoc/controller/BookController.java b/spring-boot-springdoc/src/main/java/com/baeldung/springdoc/controller/BookController.java new file mode 100644 index 0000000000..4d7d9e3d85 --- /dev/null +++ b/spring-boot-springdoc/src/main/java/com/baeldung/springdoc/controller/BookController.java @@ -0,0 +1,73 @@ +package com.baeldung.springdoc.controller; + +import java.util.Collection; + +import javax.validation.Valid; +import javax.validation.constraints.NotNull; + +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.http.HttpStatus; +import org.springframework.web.bind.annotation.DeleteMapping; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.PatchMapping; +import org.springframework.web.bind.annotation.PathVariable; +import org.springframework.web.bind.annotation.PostMapping; +import org.springframework.web.bind.annotation.PutMapping; +import org.springframework.web.bind.annotation.RequestBody; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.bind.annotation.RequestMethod; +import org.springframework.web.bind.annotation.ResponseStatus; +import org.springframework.web.bind.annotation.RestController; + +import com.baeldung.springdoc.exception.BookNotFoundException; +import com.baeldung.springdoc.model.Book; +import com.baeldung.springdoc.repository.BookRepository; + +@RestController +@RequestMapping("/api/book") +public class BookController { + + @Autowired + private BookRepository repository; + + @GetMapping("/{id}") + public Book findById(@PathVariable long id) { + return repository.findById(id) + .orElseThrow(() -> new BookNotFoundException()); + } + + @GetMapping("/") + public Collection findBooks() { + return repository.getBooks(); + } + + @PutMapping("/{id}") + @ResponseStatus(HttpStatus.OK) + public Book updateBook(@PathVariable("id") final String id, @RequestBody final Book book) { + return book; + } + + @PatchMapping("/{id}") + @ResponseStatus(HttpStatus.OK) + public Book patchBook(@PathVariable("id") final String id, @RequestBody final Book book) { + return book; + } + + @PostMapping("/") + @ResponseStatus(HttpStatus.CREATED) + public Book postBook(@NotNull @Valid @RequestBody final Book book) { + return book; + } + + @RequestMapping(method = RequestMethod.HEAD, value = "/") + @ResponseStatus(HttpStatus.OK) + public Book headBook() { + return new Book(); + } + + @DeleteMapping("/{id}") + @ResponseStatus(HttpStatus.OK) + public long deleteBook(@PathVariable final long id) { + return id; + } +} diff --git a/spring-boot-springdoc/src/main/java/com/baeldung/springdoc/exception/BookNotFoundException.java b/spring-boot-springdoc/src/main/java/com/baeldung/springdoc/exception/BookNotFoundException.java new file mode 100644 index 0000000000..632cb683bc --- /dev/null +++ b/spring-boot-springdoc/src/main/java/com/baeldung/springdoc/exception/BookNotFoundException.java @@ -0,0 +1,10 @@ +package com.baeldung.springdoc.exception; + +@SuppressWarnings("serial") +public class BookNotFoundException extends RuntimeException { + + public BookNotFoundException() { + + } + +} \ No newline at end of file diff --git a/spring-boot-springdoc/src/main/java/com/baeldung/springdoc/exception/GlobalControllerExceptionHandler.java b/spring-boot-springdoc/src/main/java/com/baeldung/springdoc/exception/GlobalControllerExceptionHandler.java new file mode 100644 index 0000000000..c829072236 --- /dev/null +++ b/spring-boot-springdoc/src/main/java/com/baeldung/springdoc/exception/GlobalControllerExceptionHandler.java @@ -0,0 +1,24 @@ +package com.baeldung.springdoc.exception; + +import org.springframework.core.convert.ConversionFailedException; +import org.springframework.http.HttpStatus; +import org.springframework.http.ResponseEntity; +import org.springframework.web.bind.annotation.ExceptionHandler; +import org.springframework.web.bind.annotation.ResponseStatus; +import org.springframework.web.bind.annotation.RestControllerAdvice; + +@RestControllerAdvice +public class GlobalControllerExceptionHandler { + + @ExceptionHandler(ConversionFailedException.class) + @ResponseStatus(HttpStatus.BAD_REQUEST) + public ResponseEntity handleConnversion(RuntimeException ex) { + return new ResponseEntity<>(ex.getMessage(), HttpStatus.BAD_REQUEST); + } + + @ExceptionHandler(BookNotFoundException.class) + @ResponseStatus(HttpStatus.NOT_FOUND) + public ResponseEntity handleBookNotFound(RuntimeException ex) { + return new ResponseEntity<>(ex.getMessage(), HttpStatus.NOT_FOUND); + } +} diff --git a/spring-boot-springdoc/src/main/java/com/baeldung/springdoc/model/Book.java b/spring-boot-springdoc/src/main/java/com/baeldung/springdoc/model/Book.java new file mode 100644 index 0000000000..8f678a7ec2 --- /dev/null +++ b/spring-boot-springdoc/src/main/java/com/baeldung/springdoc/model/Book.java @@ -0,0 +1,41 @@ +package com.baeldung.springdoc.model; + +import javax.validation.constraints.NotBlank; +import javax.validation.constraints.Size; + +public class Book { + + private long id; + + @NotBlank + @Size(min = 0, max = 20) + private String title; + + @NotBlank + @Size(min = 0, max = 30) + private String author; + + public long getId() { + return id; + } + + public void setId(long id) { + this.id = id; + } + + public String getTitle() { + return title; + } + + public void setTitle(String title) { + this.title = title; + } + + public String getAuthor() { + return author; + } + + public void setAuthor(String author) { + this.author = author; + } +} diff --git a/spring-boot-springdoc/src/main/java/com/baeldung/springdoc/repository/BookRepository.java b/spring-boot-springdoc/src/main/java/com/baeldung/springdoc/repository/BookRepository.java new file mode 100644 index 0000000000..4040ba28c2 --- /dev/null +++ b/spring-boot-springdoc/src/main/java/com/baeldung/springdoc/repository/BookRepository.java @@ -0,0 +1,28 @@ +package com.baeldung.springdoc.repository; + +import java.util.Collection; +import java.util.HashMap; +import java.util.Map; +import java.util.Optional; + +import org.springframework.stereotype.Repository; + +import com.baeldung.springdoc.model.Book; + +@Repository +public class BookRepository { + + private Map books = new HashMap<>(); + + public Optional findById(long id) { + return Optional.ofNullable(books.get(id)); + } + + public void add(Book book) { + books.put(book.getId(), book); + } + + public Collection getBooks() { + return books.values(); + } +} diff --git a/spring-boot-springdoc/src/main/resources/application.properties b/spring-boot-springdoc/src/main/resources/application.properties new file mode 100644 index 0000000000..f03e90feb6 --- /dev/null +++ b/spring-boot-springdoc/src/main/resources/application.properties @@ -0,0 +1,5 @@ +# custom path for swagger-ui +springdoc.swagger-ui.path=/swagger-ui-custom.html + +# custom path for api docs +springdoc.api-docs.path=/api-docs diff --git a/rxjava/src/main/resources/logback.xml b/spring-boot-springdoc/src/main/resources/logback.xml similarity index 74% rename from rxjava/src/main/resources/logback.xml rename to spring-boot-springdoc/src/main/resources/logback.xml index 7d900d8ea8..6a07b178e9 100644 --- a/rxjava/src/main/resources/logback.xml +++ b/spring-boot-springdoc/src/main/resources/logback.xml @@ -7,6 +7,9 @@ + + + diff --git a/spring-boot-springdoc/src/test/java/com/baeldung/springdoc/SpringContextIntegrationTest.java b/spring-boot-springdoc/src/test/java/com/baeldung/springdoc/SpringContextIntegrationTest.java new file mode 100644 index 0000000000..58c12dc3bc --- /dev/null +++ b/spring-boot-springdoc/src/test/java/com/baeldung/springdoc/SpringContextIntegrationTest.java @@ -0,0 +1,17 @@ +package com.baeldung.springdoc; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.test.context.junit4.SpringRunner; + +@RunWith(SpringRunner.class) +@SpringBootTest +public class SpringContextIntegrationTest { + + @Test + public void whenSpringContextIsBootstrapped_thenNoExceptions() { + + } + +} diff --git a/spring-mvc-simple-2/src/main/java/com/baeldung/flash_attributes/Application.java b/spring-mvc-simple-2/src/main/java/com/baeldung/flash_attributes/Application.java new file mode 100644 index 0000000000..0472ba4e7b --- /dev/null +++ b/spring-mvc-simple-2/src/main/java/com/baeldung/flash_attributes/Application.java @@ -0,0 +1,14 @@ +package com.baeldung.flash_attributes; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.boot.web.servlet.support.SpringBootServletInitializer; + +@SpringBootApplication +public class Application extends SpringBootServletInitializer { + + public static void main(String[] args) { + SpringApplication.run(Application.class, args); + } + +} diff --git a/spring-mvc-simple-2/src/main/java/com/baeldung/flash_attributes/controllers/PoemSubmission.java b/spring-mvc-simple-2/src/main/java/com/baeldung/flash_attributes/controllers/PoemSubmission.java new file mode 100644 index 0000000000..6264ea0531 --- /dev/null +++ b/spring-mvc-simple-2/src/main/java/com/baeldung/flash_attributes/controllers/PoemSubmission.java @@ -0,0 +1,49 @@ +package com.baeldung.flash_attributes.controllers; + +import com.baeldung.flash_attributes.model.Poem; +import org.springframework.stereotype.Controller; +import org.springframework.ui.Model; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.ModelAttribute; +import org.springframework.web.bind.annotation.PostMapping; +import org.springframework.web.servlet.mvc.support.RedirectAttributes; +import org.springframework.web.servlet.support.RequestContextUtils; +import org.springframework.web.servlet.view.RedirectView; +import java.util.Map; + +import javax.servlet.http.HttpServletRequest; + +@Controller +public class PoemSubmission { + + @GetMapping("/poem/success") + public String getSuccess(HttpServletRequest request) { + Map inputFlashMap = RequestContextUtils.getInputFlashMap(request); + if (inputFlashMap != null) { + Poem poem = (Poem) inputFlashMap.get("poem"); + return "success"; + } else { + return "redirect:/poem/submit"; + } + } + + @PostMapping("/poem/submit") + public RedirectView submitPost( + HttpServletRequest request, + @ModelAttribute Poem poem, + RedirectAttributes redirectAttributes) { + if (Poem.isValidPoem(poem)) { + redirectAttributes.addFlashAttribute("poem", poem); + return new RedirectView("/poem/success", true); + } else { + return new RedirectView("/poem/submit", true); + } + } + + @GetMapping("/poem/submit") + public String submitGet(Model model) { + model.addAttribute("poem", new Poem()); + return "submit"; + } + +} \ No newline at end of file diff --git a/spring-mvc-simple-2/src/main/java/com/baeldung/flash_attributes/model/Poem.java b/spring-mvc-simple-2/src/main/java/com/baeldung/flash_attributes/model/Poem.java new file mode 100644 index 0000000000..bff65456c1 --- /dev/null +++ b/spring-mvc-simple-2/src/main/java/com/baeldung/flash_attributes/model/Poem.java @@ -0,0 +1,39 @@ +package com.baeldung.flash_attributes.model; + +import org.apache.logging.log4j.util.Strings; + +public class Poem { + private String title; + private String author; + private String body; + + public static boolean isValidPoem(Poem poem) { + return poem != null && Strings.isNotBlank(poem.getAuthor()) && Strings.isNotBlank(poem.getBody()) + && Strings.isNotBlank(poem.getTitle()); + } + + public String getTitle() { + return this.title; + } + + public void setTitle(String title) { + this.title = title; + } + + public String getBody() { + return this.body; + } + + public void setBody(String body) { + this.body = body; + } + + public String getAuthor() { + return this.author; + } + + public void setAuthor(String author) { + this.author = author; + } + +} diff --git a/spring-mvc-simple-2/src/main/resources/application.properties b/spring-mvc-simple-2/src/main/resources/application.properties index d29338d3d3..aca20f4e3c 100644 --- a/spring-mvc-simple-2/src/main/resources/application.properties +++ b/spring-mvc-simple-2/src/main/resources/application.properties @@ -1,3 +1,9 @@ spring.main.allow-bean-definition-overriding=true + spring.mail.host=localhost -spring.mail.port=8025 \ No newline at end of file +spring.mail.port=8025 + +spring.thymeleaf.cache=false +spring.thymeleaf.enabled=true +spring.thymeleaf.prefix=classpath:/templates/ +spring.thymeleaf.suffix=.html diff --git a/spring-mvc-simple-2/src/main/resources/templates/submit.html b/spring-mvc-simple-2/src/main/resources/templates/submit.html new file mode 100644 index 0000000000..0ed0107c20 --- /dev/null +++ b/spring-mvc-simple-2/src/main/resources/templates/submit.html @@ -0,0 +1,50 @@ + + + + Poetry Contest: Submission + + + +
+ + + + + + + + + + + + + + + +
+ + + +
+ + + +
+ + +