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Merge branch 'master' of https://github.com/sanketmeghani/tutorials into sanketmeghani-master

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This commit is contained in:
Zeger Hendrikse
2016-10-10 18:27:26 +02:00
parent ec19c55a5a 4f64784e84
commit e7b144ce5f
255 changed files with 5982 additions and 2020 deletions
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annotations/annotation-processing/pom.xml
+50
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@@ -0,0 +1,50 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://maven.apache.org/POM/4.0.0"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.baeldung</groupId>
<version>1.0.0-SNAPSHOT</version>
<artifactId>annotations</artifactId>
<relativePath>../</relativePath>
</parent>
<artifactId>annotation-processing</artifactId>
<properties>
<auto-service.version>1.0-rc2</auto-service.version>
<maven-compiler-plugin.version>3.5.1</maven-compiler-plugin.version>
</properties>
<dependencies>
<dependency>
<groupId>com.google.auto.service</groupId>
<artifactId>auto-service</artifactId>
<version>${auto-service.version}</version>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven-compiler-plugin.version}</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
annotations/annotation-processing/src/main/java/com/baeldung/annotation/processor/BuilderProcessor.java
+132
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package com.baeldung.annotation.processor;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import javax.annotation.processing.*;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.Element;
import javax.lang.model.element.TypeElement;
import javax.lang.model.type.ExecutableType;
import javax.tools.Diagnostic;
import javax.tools.JavaFileObject;
import com.google.auto.service.AutoService;
@SupportedAnnotationTypes("com.baeldung.annotation.processor.BuilderProperty")
@SupportedSourceVersion(SourceVersion.RELEASE_8)
@AutoService(Processor.class)
public class BuilderProcessor extends AbstractProcessor {
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
for (TypeElement annotation : annotations) {
Set<? extends Element> annotatedElements = roundEnv.getElementsAnnotatedWith(annotation);
Map<Boolean, List<Element>> annotatedMethods = annotatedElements.stream()
.collect(Collectors.partitioningBy(element ->
((ExecutableType) element.asType()).getParameterTypes().size() == 1
&& element.getSimpleName().toString().startsWith("set")));
List<Element> setters = annotatedMethods.get(true);
List<Element> otherMethods = annotatedMethods.get(false);
otherMethods.forEach(element ->
processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR,
"@BuilderProperty must be applied to a setXxx method with a single argument", element));
if (setters.isEmpty()) {
continue;
}
String className = ((TypeElement) setters.get(0).getEnclosingElement()).getQualifiedName().toString();
Map<String, String> setterMap = setters.stream().collect(Collectors.toMap(
setter -> setter.getSimpleName().toString(),
setter -> ((ExecutableType) setter.asType())
.getParameterTypes().get(0).toString()
));
try {
writeBuilderFile(className, setterMap);
} catch (IOException e) {
e.printStackTrace();
}
}
return true;
}
private void writeBuilderFile(String className, Map<String, String> setterMap) throws IOException {
String packageName = null;
int lastDot = className.lastIndexOf('.');
if (lastDot > 0) {
packageName = className.substring(0, lastDot);
}
String simpleClassName = className.substring(lastDot + 1);
String builderClassName = className + "Builder";
String builderSimpleClassName = builderClassName.substring(lastDot + 1);
JavaFileObject builderFile = processingEnv.getFiler().createSourceFile(builderClassName);
try (PrintWriter out = new PrintWriter(builderFile.openWriter())) {
if (packageName != null) {
out.print("package ");
out.print(packageName);
out.println(";");
out.println();
}
out.print("public class ");
out.print(builderSimpleClassName);
out.println(" {");
out.println();
out.print(" private ");
out.print(simpleClassName);
out.print(" object = new ");
out.print(simpleClassName);
out.println("();");
out.println();
out.print(" public ");
out.print(simpleClassName);
out.println(" build() {");
out.println(" return object;");
out.println(" }");
out.println();
setterMap.entrySet().forEach(setter -> {
String methodName = setter.getKey();
String argumentType = setter.getValue();
out.print(" public ");
out.print(builderSimpleClassName);
out.print(" ");
out.print(methodName);
out.print("(");
out.print(argumentType);
out.println(" value) {");
out.print(" object.");
out.print(methodName);
out.println("(value);");
out.println(" return this;");
out.println(" }");
out.println();
});
out.println("}");
}
}
}
annotations/annotation-processing/src/main/java/com/baeldung/annotation/processor/BuilderProperty.java
+8
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@@ -0,0 +1,8 @@
package com.baeldung.annotation.processor;
import java.lang.annotation.*;
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.SOURCE)
public @interface BuilderProperty {
}
annotations/annotation-user/pom.xml
+51
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@@ -0,0 +1,51 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<artifactId>annotations</artifactId>
<groupId>com.baeldung</groupId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../</relativePath>
</parent>
<artifactId>annotation-user</artifactId>
<dependencies>
<dependency>
<groupId>com.baeldung</groupId>
<artifactId>annotation-processing</artifactId>
<version>${project.parent.version}</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.5.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
annotations/annotation-user/src/main/java/com/baeldung/annotation/Person.java
+29
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@@ -0,0 +1,29 @@
package com.baeldung.annotation;
import com.baeldung.annotation.processor.BuilderProperty;
public class Person {
private int age;
private String name;
public int getAge() {
return age;
}
@BuilderProperty
public void setAge(int age) {
this.age = age;
}
public String getName() {
return name;
}
@BuilderProperty
public void setName(String name) {
this.name = name;
}
}
annotations/annotation-user/src/test/java/com/baeldung/annotation/PersonBuilderTest.java
+22
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@@ -0,0 +1,22 @@
package com.baeldung.annotation;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class PersonBuilderTest {
@Test
public void whenBuildPersonWithBuilder_thenObjectHasPropertyValues() {
Person person = new PersonBuilder()
.setAge(25)
.setName("John")
.build();
assertEquals(25, person.getAge());
assertEquals("John", person.getName());
}
}
spring-cloud/spring-cloud-integration/pom.xml → annotations/pom.xml
+9 -4
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@@ -2,14 +2,19 @@
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>parent-modules</artifactId>
<groupId>com.baeldung</groupId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung.spring.cloud</groupId>
<artifactId>spring-cloud-integration</artifactId>
<version>1.0.0-SNAPSHOT</version>
<artifactId>annotations</artifactId>
<packaging>pom</packaging>
<modules>
<module>part-1</module>
<module>annotation-processing</module>
<module>annotation-user</module>
</modules>
</project>
annotations/readme.md
+1
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@@ -0,0 +1 @@
core-java-8/README.md
+11 -1
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@@ -11,4 +11,14 @@
- [Lambda Expressions and Functional Interfaces: Tips and Best Practices](http://www.baeldung.com/java-8-lambda-expressions-tips)
- [The Double Colon Operator in Java 8](http://www.baeldung.com/java-8-double-colon-operator)
- [Java 8 Streams Advanced](http://www.baeldung.com/java-8-streams)
- [Java 8 Collectors](http://www.baeldung.com/java-8-collectors)
- [Java 8 Collectors](http://www.baeldung.com/java-8-collectors)
- [Convert String to int or Integer in Java](http://www.baeldung.com/java-convert-string-to-int-or-integer)
- [Convert char to String in Java](http://www.baeldung.com/java-convert-char-to-string)
- [Guide to Java 8’s Functional Interfaces](http://www.baeldung.com/java-8-functional-interfaces)
- [Guide To CompletableFuture](http://www.baeldung.com/java-completablefuture)
- [Introduction to Thread Pools in Java](http://www.baeldung.com/thread-pool-java-and-guava)
- [Guide to Java 8 Collectors](http://www.baeldung.com/java-8-collectors)
- [The Java 8 Stream API Tutorial](http://www.baeldung.com/java-8-streams)
- [New Features in Java 8](http://www.baeldung.com/java-8-new-features)
- [Introduction to Java 8 Streams](http://www.baeldung.com/java-8-streams-introduction)
- [Guide to the Fork/Join Framework in Java](http://www.baeldung.com/java-fork-join)
core-java-8/pom.xml
+5 -1
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@@ -1,9 +1,10 @@
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung</groupId>
<version>1.0.0-SNAPSHOT</version>
<artifactId>core-java8</artifactId>
<version>0.1-SNAPSHOT</version>
<name>core-java8</name>
@@ -111,6 +112,9 @@
</build>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<!-- logging -->
<org.slf4j.version>1.7.13</org.slf4j.version>
<logback.version>1.0.13</logback.version>
core-java-8/src/main/resources/fileTest.txt
+1
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@@ -0,0 +1 @@
Hello World from fileTest.txt!!!
core-java-8/src/test/java/com/baeldung/RandomListElementTest.java
+59 -5
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@@ -1,17 +1,71 @@
package com.baeldung;
import com.google.common.collect.Lists;
import org.junit.Test;
import java.util.Arrays;
import java.util.List;
import java.util.Random;
import java.util.*;
import java.util.concurrent.ThreadLocalRandom;
public class RandomListElementTest {
@Test
public void givenList_whenRandomNumberChosen_shouldReturnARandomElement() {
List<Integer> givenList = Arrays.asList(1, 2, 3);
public void givenList_whenRandomIndexChosen_shouldReturnARandomElementUsingRandom() {
List<Integer> givenList = Lists.newArrayList(1, 2, 3);
Random rand = new Random();
givenList.get(rand.nextInt(givenList.size()));
}
@Test
public void givenList_whenRandomIndexChosen_shouldReturnARandomElementUsingMathRandom() {
List<Integer> givenList = Lists.newArrayList(1, 2, 3);
givenList.get((int)(Math.random() * givenList.size()));
}
@Test
public void givenList_whenNumberElementsChosen_shouldReturnRandomElementsRepeat() {
Random rand = new Random();
List<String> givenList = Lists.newArrayList("one", "two", "three", "four");
int numberOfElements = 2;
for (int i = 0; i < numberOfElements; i++) {
int randomIndex = rand.nextInt(givenList.size());
givenList.get(randomIndex);
}
}
@Test
public void givenList_whenNumberElementsChosen_shouldReturnRandomElementsNoRepeat() {
Random rand = new Random();
List<String> givenList = Lists.newArrayList("one", "two", "three", "four");
int numberOfElements = 2;
for (int i = 0; i < numberOfElements; i++) {
int randomIndex = rand.nextInt(givenList.size());
givenList.get(randomIndex);
givenList.remove(randomIndex);
}
}
@Test
public void givenList_whenSeriesLengthChosen_shouldReturnRandomSeries() {
List<Integer> givenList = Lists.newArrayList(1, 2, 3, 4, 5, 6);
Collections.shuffle(givenList);
int randomSeriesLength = 3;
givenList.subList(0, randomSeriesLength - 1);
}
@Test
public void givenList_whenRandomIndexChosen_shouldReturnElementThreadSafely() {
List<Integer> givenList = Lists.newArrayList(1, 2, 3, 4, 5, 6);
int randomIndex = ThreadLocalRandom.current().nextInt(10) % givenList.size();
givenList.get(randomIndex);
}
}
core-java-8/src/test/java/com/baeldung/file/FileOperationsTest.java
+123
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@@ -0,0 +1,123 @@
package com.baeldung.file;
import org.apache.commons.io.FileUtils;
import org.hamcrest.CoreMatchers;
import org.hamcrest.Matchers;
import org.junit.Assert;
import org.junit.Test;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLConnection;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.stream.Stream;
public class FileOperationsTest {
@Test
public void givenFileName_whenUsingClassloader_thenFileData() throws IOException {
String expectedData = "Hello World from fileTest.txt!!!";
ClassLoader classLoader = getClass().getClassLoader();
File file = new File(classLoader.getResource("fileTest.txt").getFile());
InputStream inputStream = new FileInputStream(file);
String data = readFromInputStream(inputStream);
Assert.assertEquals(expectedData, data.trim());
}
@Test
public void givenFileNameAsAbsolutePath_whenUsingClasspath_thenFileData() throws IOException {
String expectedData = "Hello World from fileTest.txt!!!";
Class clazz = FileOperationsTest.class;
InputStream inputStream = clazz.getResourceAsStream("/fileTest.txt");
String data = readFromInputStream(inputStream);
Assert.assertEquals(expectedData, data.trim());
}
@Test
public void givenFileName_whenUsingJarFile_thenFileData() throws IOException {
String expectedData = "BSD License";
Class clazz = Matchers.class;
InputStream inputStream = clazz.getResourceAsStream("/LICENSE.txt");
String data = readFromInputStream(inputStream);
Assert.assertThat(data.trim(), CoreMatchers.containsString(expectedData));
}
@Test
public void givenURLName_whenUsingURL_thenFileData() throws IOException {
String expectedData = "Baeldung";
URL urlObject = new URL("http://www.baeldung.com/");
URLConnection urlConnection = urlObject.openConnection();
InputStream inputStream = urlConnection.getInputStream();
String data = readFromInputStream(inputStream);
Assert.assertThat(data.trim(), CoreMatchers.containsString(expectedData));
}
@Test
public void givenFileName_whenUsingFileUtils_thenFileData() throws IOException {
String expectedData = "Hello World from fileTest.txt!!!";
ClassLoader classLoader = getClass().getClassLoader();
File file = new File(classLoader.getResource("fileTest.txt").getFile());
String data = FileUtils.readFileToString(file);
Assert.assertEquals(expectedData, data.trim());
}
@Test
public void givenFilePath_whenUsingFilesReadAllBytes_thenFileData() throws IOException, URISyntaxException {
String expectedData = "Hello World from fileTest.txt!!!";
Path path = Paths.get(getClass().getClassLoader().getResource("fileTest.txt").toURI());
byte[] fileBytes = Files.readAllBytes(path);
String data = new String(fileBytes);
Assert.assertEquals(expectedData, data.trim());
}
@Test
public void givenFilePath_whenUsingFilesLines_thenFileData() throws IOException, URISyntaxException {
String expectedData = "Hello World from fileTest.txt!!!";
Path path = Paths.get(getClass().getClassLoader().getResource("fileTest.txt").toURI());
StringBuilder data = new StringBuilder();
Stream<String> lines = Files.lines(path);
lines.forEach(line -> data.append(line).append("\n"));
Assert.assertEquals(expectedData, data.toString().trim());
}
private String readFromInputStream(InputStream inputStream) throws IOException {
InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
StringBuilder resultStringBuilder = new StringBuilder();
String line;
while ((line = bufferedReader.readLine()) != null) {
resultStringBuilder.append(line);
resultStringBuilder.append("\n");
}
bufferedReader.close();
inputStreamReader.close();
inputStream.close();
return resultStringBuilder.toString();
}
}
core-java-8/src/test/java/com/baeldung/java8/JavaFolderSizeTest.java
+8 -8
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@@ -21,7 +21,7 @@ public class JavaFolderSizeTest {
@Before
public void init() {
final String separator = File.separator;
path = "src" + separator + "test" + separator + "resources";
path = String.format("src%stest%sresources", separator, separator);
}
@Test
@@ -79,7 +79,9 @@ public class JavaFolderSizeTest {
final File folder = new File(path);
final Iterable<File> files = com.google.common.io.Files.fileTreeTraverser().breadthFirstTraversal(folder);
final long size = StreamSupport.stream(files.spliterator(), false).filter(f -> f.isFile()).mapToLong(File::length).sum();
final long size = StreamSupport.stream(files.spliterator(), false)
.filter(File::isFile)
.mapToLong(File::length).sum();
assertEquals(expectedSize, size);
}
@@ -101,13 +103,11 @@ public class JavaFolderSizeTest {
long length = 0;
final File[] files = folder.listFiles();
final int count = files.length;
for (int i = 0; i < count; i++) {
if (files[i].isFile()) {
length += files[i].length();
for (File file : files) {
if (file.isFile()) {
length += file.length();
} else {
length += getFolderSize(files[i]);
length += getFolderSize(file);
}
}
return length;
core-java-8/src/test/java/com/baeldung/util/CurrentDateTimeTest.java
+26 -16
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@@ -1,47 +1,57 @@
package com.baeldung.util;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.when;
import java.time.Clock;
import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalTime;
import java.time.ZoneId;
import java.time.temporal.ChronoField;
import java.util.Calendar;
import java.util.GregorianCalendar;
import org.junit.BeforeClass;
import org.junit.Test;
import org.mockito.Mockito;
public class CurrentDateTimeTest {
private static Clock clock;
@BeforeClass
public static void setup() {
final Instant currentTime = Instant.parse("2016-10-09T15:10:30.00Z");
clock = Mockito.mock(Clock.class);
when(clock.instant()).thenAnswer((invocation) -> currentTime);
when(clock.getZone()).thenAnswer((invocation) -> ZoneId.of("UTC"));
}
@Test
public void shouldReturnCurrentDate() {
final LocalDate now = LocalDate.now();
final Calendar calendar = GregorianCalendar.getInstance();
final LocalDate now = LocalDate.now(clock);
assertEquals("10-10-2010".length(), now.toString().length());
assertEquals(calendar.get(Calendar.DATE), now.get(ChronoField.DAY_OF_MONTH));
assertEquals(calendar.get(Calendar.MONTH), now.get(ChronoField.MONTH_OF_YEAR) - 1);
assertEquals(calendar.get(Calendar.YEAR), now.get(ChronoField.YEAR));
assertEquals(9, now.get(ChronoField.DAY_OF_MONTH));
assertEquals(10, now.get(ChronoField.MONTH_OF_YEAR));
assertEquals(2016, now.get(ChronoField.YEAR));
}
@Test
public void shouldReturnCurrentTime() {
final LocalTime now = LocalTime.now();
final Calendar calendar = GregorianCalendar.getInstance();
final LocalTime now = LocalTime.now(clock);
assertEquals(calendar.get(Calendar.HOUR_OF_DAY), now.get(ChronoField.HOUR_OF_DAY));
assertEquals(calendar.get(Calendar.MINUTE), now.get(ChronoField.MINUTE_OF_HOUR));
assertEquals(calendar.get(Calendar.SECOND), now.get(ChronoField.SECOND_OF_MINUTE));
assertEquals(15, now.get(ChronoField.HOUR_OF_DAY));
assertEquals(10, now.get(ChronoField.MINUTE_OF_HOUR));
assertEquals(30, now.get(ChronoField.SECOND_OF_MINUTE));
}
@Test
public void shouldReturnCurrentTimestamp() {
final Instant now = Instant.now();
final Calendar calendar = GregorianCalendar.getInstance();
final Instant now = Instant.now(clock);
assertEquals(calendar.getTimeInMillis() / 1000, now.getEpochSecond());
assertEquals(clock.instant().getEpochSecond(), now.getEpochSecond());
}
}
core-java-8/src/test/resources/.gitignore
-13
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@@ -1,13 +0,0 @@
*.class
#folders#
/target
/neoDb*
/data
/src/main/webapp/WEB-INF/classes
*/META-INF/*
# Packaged files #
*.jar
*.war
*.ear
core-java-8/src/test/resources/test.txt
+1
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@@ -0,0 +1 @@
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse facilisis neque sed turpis venenatis, non dignissim risus volutpat.
core-java-9/src/test/java/com/baeldung/java9/Java9OptionalsStreamTest.java
+13
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@@ -42,6 +42,19 @@ public class Java9OptionalsStreamTest {
assertEquals("bar", filteredList.get(1));
}
@Test
public void filterOutPresentOptionalsWithFlatMap2() {
assertEquals(4, listOfOptionals.size());
List<String> filteredList = listOfOptionals.stream()
.flatMap(o -> o.map(Stream::of).orElseGet(Stream::empty))
.collect(Collectors.toList());
assertEquals(2, filteredList.size());
assertEquals("foo", filteredList.get(0));
assertEquals("bar", filteredList.get(1));
}
@Test
public void filterOutPresentOptionalsWithJava9() {
assertEquals(4, listOfOptionals.size());
core-java-9/src/test/java/com/baeldung/java9/README.MD
+1
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@@ -0,0 +1 @@
core-java/pom.xml
+6
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@@ -123,6 +123,12 @@
<version>${mockito.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.10</version>
</dependency>
</dependencies>
core-java/src/test/java/com/baeldung/java/regex/RegexTest.java
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core-java/src/test/java/org/baeldung/core/exceptions/FileNotFoundExceptionTest.java
+57
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@@ -0,0 +1,57 @@
package org.baeldung.core.exceptions;
import org.apache.log4j.Logger;
import org.junit.Test;
import java.io.*;
public class FileNotFoundExceptionTest {
private static final Logger LOG = Logger.getLogger(FileNotFoundExceptionTest.class);
private String fileName = Double.toString(Math.random());
@Test(expected = BusinessException.class)
public void raiseBusinessSpecificException() throws IOException {
try {
readFailingFile();
} catch (FileNotFoundException ex) {
throw new BusinessException("BusinessException: necessary file was not present.", ex);
}
}
@Test
public void createFile() throws IOException {
try {
readFailingFile();
} catch (FileNotFoundException ex) {
try {
new File(fileName).createNewFile();
readFailingFile();
} catch (IOException ioe) {
throw new RuntimeException("BusinessException: even creation is not possible.", ioe);
}
}
}
@Test
public void logError() throws IOException {
try {
readFailingFile();
} catch (FileNotFoundException ex) {
LOG.error("Optional file " + fileName + " was not found.", ex);
}
}
private void readFailingFile() throws IOException {
BufferedReader rd = new BufferedReader(new FileReader(new File(fileName)));
rd.readLine();
// no need to close file
}
private class BusinessException extends RuntimeException {
BusinessException(String string, FileNotFoundException ex) {
super(string, ex);
}
}
}
core-java/src/test/java/org/baeldung/java/md5/JavaMD5Test.java
+90
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package org.baeldung.java.md5;
import static org.junit.Assert.*;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import javax.xml.bind.DatatypeConverter;
import org.apache.commons.codec.digest.DigestUtils;
import org.junit.Before;
import org.junit.Test;
import com.google.common.hash.HashCode;
import com.google.common.hash.Hashing;
import java.io.File;
import java.io.IOException;
import java.nio.*;
import static org.assertj.core.api.Assertions.assertThat;
public class JavaMD5Test {
String filename = "src/test/resources/test_md5.txt";
String checksum = "5EB63BBBE01EEED093CB22BB8F5ACDC3";
String hash = "35454B055CC325EA1AF2126E27707052";
String password = "ILoveJava";
@Test
public void givenPassword_whenHashing_thenVerifying() throws NoSuchAlgorithmException {
String hash = "35454B055CC325EA1AF2126E27707052";
String password = "ILoveJava";
MessageDigest md = MessageDigest.getInstance("MD5");
md.update(password.getBytes());
byte[] digest = md.digest();
String myHash = DatatypeConverter.printHexBinary(digest).toUpperCase();
assertThat(myHash.equals(hash)).isTrue();
}
@Test
public void givenFile_generatingChecksum_thenVerifying() throws NoSuchAlgorithmException, IOException {
String filename = "src/test/resources/test_md5.txt";
String checksum = "5EB63BBBE01EEED093CB22BB8F5ACDC3";
MessageDigest md = MessageDigest.getInstance("MD5");
md.update(Files.readAllBytes(Paths.get(filename)));
byte[] digest = md.digest();
String myChecksum = DatatypeConverter
.printHexBinary(digest).toUpperCase();
assertThat(myChecksum.equals(checksum)).isTrue();
}
@Test
public void givenPassword_whenHashingUsingCommons_thenVerifying() {
String hash = "35454B055CC325EA1AF2126E27707052";
String password = "ILoveJava";
String md5Hex = DigestUtils
.md5Hex(password).toUpperCase();
assertThat(md5Hex.equals(hash)).isTrue();
}
@Test
public void givenFile_whenChecksumUsingGuava_thenVerifying() throws IOException {
String filename = "src/test/resources/test_md5.txt";
String checksum = "5EB63BBBE01EEED093CB22BB8F5ACDC3";
HashCode hash = com.google.common.io.Files
.hash(new File(filename), Hashing.md5());
String myChecksum = hash.toString()
.toUpperCase();
assertThat(myChecksum.equals(checksum)).isTrue();
}
}
couchbase-sdk-async/.mvn/wrapper/maven-wrapper.jar
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couchbase-sdk-async/.mvn/wrapper/maven-wrapper.properties
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distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.3.3/apache-maven-3.3.3-bin.zip
couchbase-sdk-async/src/test/java/com/baeldung/couchbase/IntegrationTestConfig.java
-9
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@@ -1,9 +0,0 @@
package com.baeldung.couchbase;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
@Configuration
@ComponentScan(basePackages={"com.baeldung.couchbase"})
public class IntegrationTestConfig {
}
couchbase-sdk-intro/.mvn/wrapper/maven-wrapper.jar
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couchbase-sdk-intro/.mvn/wrapper/maven-wrapper.properties
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-1
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distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.3.3/apache-maven-3.3.3-bin.zip
couchbase-sdk-intro/mvnw
Vendored
-233
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@@ -1,233 +0,0 @@
#!/bin/sh
# ----------------------------------------------------------------------------
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# ----------------------------------------------------------------------------
# ----------------------------------------------------------------------------
# Maven2 Start Up Batch script
#
# Required ENV vars:
# ------------------
# JAVA_HOME - location of a JDK home dir
#
# Optional ENV vars
# -----------------
# M2_HOME - location of maven2's installed home dir
# MAVEN_OPTS - parameters passed to the Java VM when running Maven
# e.g. to debug Maven itself, use
# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
# MAVEN_SKIP_RC - flag to disable loading of mavenrc files
# ----------------------------------------------------------------------------
if [ -z "$MAVEN_SKIP_RC" ] ; then
if [ -f /etc/mavenrc ] ; then
. /etc/mavenrc
fi
if [ -f "$HOME/.mavenrc" ] ; then
. "$HOME/.mavenrc"
fi
fi
# OS specific support. $var _must_ be set to either true or false.
cygwin=false;
darwin=false;
mingw=false
case "`uname`" in
CYGWIN*) cygwin=true ;;
MINGW*) mingw=true;;
Darwin*) darwin=true
#
# Look for the Apple JDKs first to preserve the existing behaviour, and then look
# for the new JDKs provided by Oracle.
#
if [ -z "$JAVA_HOME" ] && [ -L /System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK ] ; then
#
# Apple JDKs
#
export JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home
fi
if [ -z "$JAVA_HOME" ] && [ -L /System/Library/Java/JavaVirtualMachines/CurrentJDK ] ; then
#
# Apple JDKs
#
export JAVA_HOME=/System/Library/Java/JavaVirtualMachines/CurrentJDK/Contents/Home
fi
if [ -z "$JAVA_HOME" ] && [ -L "/Library/Java/JavaVirtualMachines/CurrentJDK" ] ; then
#
# Oracle JDKs
#
export JAVA_HOME=/Library/Java/JavaVirtualMachines/CurrentJDK/Contents/Home
fi
if [ -z "$JAVA_HOME" ] && [ -x "/usr/libexec/java_home" ]; then
#
# Apple JDKs
#
export JAVA_HOME=`/usr/libexec/java_home`
fi
;;
esac
if [ -z "$JAVA_HOME" ] ; then
if [ -r /etc/gentoo-release ] ; then
JAVA_HOME=`java-config --jre-home`
fi
fi
if [ -z "$M2_HOME" ] ; then
## resolve links - $0 may be a link to maven's home
PRG="$0"
# need this for relative symlinks
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG="`dirname "$PRG"`/$link"
fi
done
saveddir=`pwd`
M2_HOME=`dirname "$PRG"`/..
# make it fully qualified
M2_HOME=`cd "$M2_HOME" && pwd`
cd "$saveddir"
# echo Using m2 at $M2_HOME
fi
# For Cygwin, ensure paths are in UNIX format before anything is touched
if $cygwin ; then
[ -n "$M2_HOME" ] &&
M2_HOME=`cygpath --unix "$M2_HOME"`
[ -n "$JAVA_HOME" ] &&
JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
[ -n "$CLASSPATH" ] &&
CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
fi
# For Migwn, ensure paths are in UNIX format before anything is touched
if $mingw ; then
[ -n "$M2_HOME" ] &&
M2_HOME="`(cd "$M2_HOME"; pwd)`"
[ -n "$JAVA_HOME" ] &&
JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
# TODO classpath?
fi
if [ -z "$JAVA_HOME" ]; then
javaExecutable="`which javac`"
if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
# readlink(1) is not available as standard on Solaris 10.
readLink=`which readlink`
if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
if $darwin ; then
javaHome="`dirname \"$javaExecutable\"`"
javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
else
javaExecutable="`readlink -f \"$javaExecutable\"`"
fi
javaHome="`dirname \"$javaExecutable\"`"
javaHome=`expr "$javaHome" : '\(.*\)/bin'`
JAVA_HOME="$javaHome"
export JAVA_HOME
fi
fi
fi
if [ -z "$JAVACMD" ] ; then
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
else
JAVACMD="`which java`"
fi
fi
if [ ! -x "$JAVACMD" ] ; then
echo "Error: JAVA_HOME is not defined correctly." >&2
echo " We cannot execute $JAVACMD" >&2
exit 1
fi
if [ -z "$JAVA_HOME" ] ; then
echo "Warning: JAVA_HOME environment variable is not set."
fi
CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
# For Cygwin, switch paths to Windows format before running java
if $cygwin; then
[ -n "$M2_HOME" ] &&
M2_HOME=`cygpath --path --windows "$M2_HOME"`
[ -n "$JAVA_HOME" ] &&
JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
[ -n "$CLASSPATH" ] &&
CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
fi
# traverses directory structure from process work directory to filesystem root
# first directory with .mvn subdirectory is considered project base directory
find_maven_basedir() {
local basedir=$(pwd)
local wdir=$(pwd)
while [ "$wdir" != '/' ] ; do
if [ -d "$wdir"/.mvn ] ; then
basedir=$wdir
break
fi
wdir=$(cd "$wdir/.."; pwd)
done
echo "${basedir}"
}
# concatenates all lines of a file
concat_lines() {
if [ -f "$1" ]; then
echo "$(tr -s '\n' ' ' < "$1")"
fi
}
export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-$(find_maven_basedir)}
MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
# Provide a "standardized" way to retrieve the CLI args that will
# work with both Windows and non-Windows executions.
MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
export MAVEN_CMD_LINE_ARGS
WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
exec "$JAVACMD" \
$MAVEN_OPTS \
-classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
"-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
${WRAPPER_LAUNCHER} "$@"
couchbase-sdk-intro/mvnw.cmd
Vendored
-145
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@@ -1,145 +0,0 @@
@REM ----------------------------------------------------------------------------
@REM Licensed to the Apache Software Foundation (ASF) under one
@REM or more contributor license agreements. See the NOTICE file
@REM distributed with this work for additional information
@REM regarding copyright ownership. The ASF licenses this file
@REM to you under the Apache License, Version 2.0 (the
@REM "License"); you may not use this file except in compliance
@REM with the License. You may obtain a copy of the License at
@REM
@REM http://www.apache.org/licenses/LICENSE-2.0
@REM
@REM Unless required by applicable law or agreed to in writing,
@REM software distributed under the License is distributed on an
@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@REM KIND, either express or implied. See the License for the
@REM specific language governing permissions and limitations
@REM under the License.
@REM ----------------------------------------------------------------------------
@REM ----------------------------------------------------------------------------
@REM Maven2 Start Up Batch script
@REM
@REM Required ENV vars:
@REM JAVA_HOME - location of a JDK home dir
@REM
@REM Optional ENV vars
@REM M2_HOME - location of maven2's installed home dir
@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
@REM e.g. to debug Maven itself, use
@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
@REM ----------------------------------------------------------------------------
@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
@echo off
@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO%
@REM set %HOME% to equivalent of $HOME
if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
@REM Execute a user defined script before this one
if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
@REM check for pre script, once with legacy .bat ending and once with .cmd ending
if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
:skipRcPre
@setlocal
set ERROR_CODE=0
@REM To isolate internal variables from possible post scripts, we use another setlocal
@setlocal
@REM ==== START VALIDATION ====
if not "%JAVA_HOME%" == "" goto OkJHome
echo.
echo Error: JAVA_HOME not found in your environment. >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
:OkJHome
if exist "%JAVA_HOME%\bin\java.exe" goto init
echo.
echo Error: JAVA_HOME is set to an invalid directory. >&2
echo JAVA_HOME = "%JAVA_HOME%" >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
@REM ==== END VALIDATION ====
:init
set MAVEN_CMD_LINE_ARGS=%*
@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
@REM Fallback to current working directory if not found.
set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
set EXEC_DIR=%CD%
set WDIR=%EXEC_DIR%
:findBaseDir
IF EXIST "%WDIR%"\.mvn goto baseDirFound
cd ..
IF "%WDIR%"=="%CD%" goto baseDirNotFound
set WDIR=%CD%
goto findBaseDir
:baseDirFound
set MAVEN_PROJECTBASEDIR=%WDIR%
cd "%EXEC_DIR%"
goto endDetectBaseDir
:baseDirNotFound
set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
cd "%EXEC_DIR%"
:endDetectBaseDir
IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
@setlocal EnableExtensions EnableDelayedExpansion
for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
:endReadAdditionalConfig
SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
set WRAPPER_JAR="".\.mvn\wrapper\maven-wrapper.jar""
set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CMD_LINE_ARGS%
if ERRORLEVEL 1 goto error
goto end
:error
set ERROR_CODE=1
:end
@endlocal & set ERROR_CODE=%ERROR_CODE%
if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
@REM check for post script, once with legacy .bat ending and once with .cmd ending
if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
:skipRcPost
@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
if "%MAVEN_BATCH_PAUSE%" == "on" pause
if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
exit /B %ERROR_CODE%

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