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Resolving merge conflict

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This commit is contained in:
Sandeep Kumar
2016-10-12 22:43:12 +05:30
parent 0d2e13392b 65cd2dfb06
commit 2f1ea093c4
674 changed files with 17367 additions and 6443 deletions
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annotations/annotation-processing/pom.xml
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<?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
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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
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package com.baeldung.annotation.processor;
import java.lang.annotation.*;
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.SOURCE)
public @interface BuilderProperty {
}
annotations/annotation-user/pom.xml
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<?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
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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
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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());
}
}
annotations/pom.xml
+20
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<?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">
<parent>
<artifactId>parent-modules</artifactId>
<groupId>com.baeldung</groupId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>annotations</artifactId>
<packaging>pom</packaging>
<modules>
<module>annotation-processing</module>
<module>annotation-user</module>
</modules>
</project>
annotations/readme.md
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@@ -0,0 +1 @@
apache-cxf/cxf-jaxrs-implementation/pom.xml
+54
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<?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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>cxf-jaxrs-implementation</artifactId>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>apache-cxf</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<cxf.version>3.1.7</cxf.version>
<httpclient.version>4.5.2</httpclient.version>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<configuration>
<mainClass>com.baeldung.cxf.jaxrs.implementation.RestfulServer</mainClass>
</configuration>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.19.1</version>
<configuration>
<excludes>
<exclude>**/ServiceTest</exclude>
</excludes>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-frontend-jaxrs</artifactId>
<version>${cxf.version}</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-transports-http-jetty</artifactId>
<version>${cxf.version}</version>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>${httpclient.version}</version>
</dependency>
</dependencies>
</project>
apache-cxf/cxf-jaxrs-implementation/src/main/java/com/baeldung/cxf/jaxrs/implementation/Baeldung.java
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package com.baeldung.cxf.jaxrs.implementation;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.ws.rs.GET;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Response;
@Path("baeldung")
@Produces("text/xml")
public class Baeldung {
private Map<Integer, Course> courses = new HashMap<>();
{
Student student1 = new Student();
Student student2 = new Student();
student1.setId(1);
student1.setName("Student A");
student2.setId(2);
student2.setName("Student B");
List<Student> course1Students = new ArrayList<>();
course1Students.add(student1);
course1Students.add(student2);
Course course1 = new Course();
Course course2 = new Course();
course1.setId(1);
course1.setName("REST with Spring");
course1.setStudents(course1Students);
course2.setId(2);
course2.setName("Learn Spring Security");
courses.put(1, course1);
courses.put(2, course2);
}
@GET
@Path("courses/{courseOrder}")
public Course getCourse(@PathParam("courseOrder") int courseOrder) {
return courses.get(courseOrder);
}
@PUT
@Path("courses/{courseOrder}")
public Response putCourse(@PathParam("courseOrder") int courseOrder, Course course) {
Course existingCourse = courses.get(courseOrder);
Response response;
if (existingCourse == null || existingCourse.getId() != course.getId() || !(existingCourse.getName().equals(course.getName()))) {
courses.put(courseOrder, course);
response = Response.ok().build();
} else {
response = Response.notModified().build();
}
return response;
}
@Path("courses/{courseOrder}/students")
public Course pathToStudent(@PathParam("courseOrder") int courseOrder) {
return courses.get(courseOrder);
}
}
apache-cxf/cxf-jaxrs-implementation/src/main/java/com/baeldung/cxf/jaxrs/implementation/Course.java
+73
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@@ -0,0 +1,73 @@
package com.baeldung.cxf.jaxrs.implementation;
import java.util.ArrayList;
import java.util.List;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.core.Response;
import javax.xml.bind.annotation.XmlRootElement;
@XmlRootElement(name = "Course")
public class Course {
private int id;
private String name;
private List<Student> students;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public List<Student> getStudents() {
return students;
}
public void setStudents(List<Student> students) {
this.students = students;
}
@GET
@Path("{studentOrder}")
public Student getStudent(@PathParam("studentOrder")int studentOrder) {
return students.get(studentOrder);
}
@POST
public Response postStudent(Student student) {
if (students == null) {
students = new ArrayList<Student>();
}
students.add(student);
return Response.ok(student).build();
}
@DELETE
@Path("{studentOrder}")
public Response deleteStudent(@PathParam("studentOrder") int studentOrder) {
Student student = students.get(studentOrder);
Response response;
if (student != null) {
students.remove(studentOrder);
response = Response.ok().build();
} else {
response = Response.notModified().build();
}
return response;
}
}
apache-cxf/cxf-jaxrs-implementation/src/main/java/com/baeldung/cxf/jaxrs/implementation/RestfulServer.java
+21
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@@ -0,0 +1,21 @@
package com.baeldung.cxf.jaxrs.implementation;
import org.apache.cxf.endpoint.Server;
import org.apache.cxf.jaxrs.JAXRSServerFactoryBean;
import org.apache.cxf.jaxrs.lifecycle.SingletonResourceProvider;
public class RestfulServer {
public static void main(String args[]) throws Exception {
JAXRSServerFactoryBean factoryBean = new JAXRSServerFactoryBean();
factoryBean.setResourceClasses(Baeldung.class);
factoryBean.setResourceProvider(new SingletonResourceProvider(new Baeldung()));
factoryBean.setAddress("http://localhost:8080/");
Server server = factoryBean.create();
System.out.println("Server ready...");
Thread.sleep(60 * 1000);
System.out.println("Server exiting");
server.destroy();
System.exit(0);
}
}
apache-cxf/cxf-jaxrs-implementation/src/main/java/com/baeldung/cxf/jaxrs/implementation/Student.java
+25
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@@ -0,0 +1,25 @@
package com.baeldung.cxf.jaxrs.implementation;
import javax.xml.bind.annotation.XmlRootElement;
@XmlRootElement(name = "Student")
public class Student {
private int id;
private String name;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
apache-cxf/cxf-jaxrs-implementation/src/main/resources/course.xml
+4
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@@ -0,0 +1,4 @@
<Course>
<id>3</id>
<name>Apache CXF Support for RESTful</name>
</Course>
apache-cxf/cxf-jaxrs-implementation/src/main/resources/student.xml
+5
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@@ -0,0 +1,5 @@
<Student>
<id>3</id>
<name>Student C</name>
</Student>
apache-cxf/cxf-jaxrs-implementation/src/test/java/com/baeldung/cxf/jaxrs/implementation/ServiceTest.java
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@@ -0,0 +1,93 @@
package com.baeldung.cxf.jaxrs.implementation;
import static org.junit.Assert.assertEquals;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import javax.xml.bind.JAXB;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.entity.InputStreamEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
public class ServiceTest {
private static final String BASE_URL = "http://localhost:8080/baeldung/courses/";
private static CloseableHttpClient client;
@BeforeClass
public static void createClient() {
client = HttpClients.createDefault();
}
@AfterClass
public static void closeClient() throws IOException {
client.close();
}
@Test
public void whenPutCourse_thenCorrect() throws IOException {
HttpPut httpPut = new HttpPut(BASE_URL + "3");
InputStream resourceStream = this.getClass().getClassLoader().getResourceAsStream("course.xml");
httpPut.setEntity(new InputStreamEntity(resourceStream));
httpPut.setHeader("Content-Type", "text/xml");
HttpResponse response = client.execute(httpPut);
assertEquals(200, response.getStatusLine().getStatusCode());
Course course = getCourse(3);
assertEquals(3, course.getId());
assertEquals("Apache CXF Support for RESTful", course.getName());
}
@Test
public void whenPostStudent_thenCorrect() throws IOException {
HttpPost httpPost = new HttpPost(BASE_URL + "2/students");
InputStream resourceStream = this.getClass().getClassLoader().getResourceAsStream("student.xml");
httpPost.setEntity(new InputStreamEntity(resourceStream));
httpPost.setHeader("Content-Type", "text/xml");
HttpResponse response = client.execute(httpPost);
assertEquals(200, response.getStatusLine().getStatusCode());
Student student = getStudent(2, 0);
assertEquals(3, student.getId());
assertEquals("Student C", student.getName());
}
@Test
public void whenDeleteStudent_thenCorrect() throws IOException {
HttpDelete httpDelete = new HttpDelete(BASE_URL + "1/students/0");
HttpResponse response = client.execute(httpDelete);
assertEquals(200, response.getStatusLine().getStatusCode());
Course course = getCourse(1);
assertEquals(1, course.getStudents().size());
assertEquals(2, course.getStudents().get(0).getId());
assertEquals("Student B", course.getStudents().get(0).getName());
}
private Course getCourse(int courseOrder) throws IOException {
URL url = new URL(BASE_URL + courseOrder);
InputStream input = url.openStream();
Course course = JAXB.unmarshal(new InputStreamReader(input), Course.class);
return course;
}
private Student getStudent(int courseOrder, int studentOrder) throws IOException {
URL url = new URL(BASE_URL + courseOrder + "/students/" + studentOrder);
InputStream input = url.openStream();
Student student = JAXB.unmarshal(new InputStreamReader(input), Student.class);
return student;
}
}
apache-cxf/pom.xml
+1
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@@ -8,6 +8,7 @@
<modules>
<module>cxf-introduction</module>
<module>cxf-spring</module>
<module>cxf-jaxrs-implementation</module>
</modules>
<dependencies>
<dependency>
assertj/pom.xml
+16 -9
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@@ -1,7 +1,6 @@
<?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">
<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>
@@ -9,11 +8,18 @@
<version>1.0.0-SNAPSHOT</version>
<dependencies>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>19.0</version>
<version>${guava.version}</version>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-guava</artifactId>
<version>3.0.0</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
@@ -26,11 +32,7 @@
<version>3.5.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-guava</artifactId>
<version>3.0.0</version>
</dependency>
</dependencies>
<build>
@@ -46,4 +48,9 @@
</plugin>
</plugins>
</build>
<properties>
<guava.version>19.0</guava.version>
</properties>
</project>
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
+6 -2
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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>
@@ -14,7 +15,7 @@
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.4</version>
<version>2.5</version>
</dependency>
<dependency>
@@ -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/encoderdecoder/EncoderDecoder.java
+38
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@@ -0,0 +1,38 @@
package com.baeldung.encoderdecoder;
import org.hamcrest.CoreMatchers;
import org.junit.Assert;
import org.junit.Test;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
public class EncoderDecoder {
@Test
public void givenPlainURL_whenUsingUTF8EncodingScheme_thenEncodeURL() throws UnsupportedEncodingException {
String plainURL = "http://www.baeldung.com" ;
String encodedURL = URLEncoder.encode(plainURL, StandardCharsets.UTF_8.toString());
Assert.assertThat("http%3A%2F%2Fwww.baeldung.com", CoreMatchers.is(encodedURL));
}
@Test
public void givenEncodedURL_whenUsingUTF8EncodingScheme_thenDecodeURL() throws UnsupportedEncodingException {
String encodedURL = "http%3A%2F%2Fwww.baeldung.com" ;
String decodedURL = URLDecoder.decode(encodedURL, StandardCharsets.UTF_8.toString());
Assert.assertThat("http://www.baeldung.com", CoreMatchers.is(decodedURL));
}
@Test
public void givenEncodedURL_whenUsingWrongEncodingScheme_thenDecodeInvalidURL() throws UnsupportedEncodingException {
String encodedURL = "http%3A%2F%2Fwww.baeldung.com";
String decodedURL = URLDecoder.decode(encodedURL, StandardCharsets.UTF_16.toString());
Assert.assertFalse("http://www.baeldung.com".equals(decodedURL));
}
}
core-java-8/src/test/java/com/baeldung/file/FileOperationsTest.java
+121
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@@ -0,0 +1,121 @@
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"));
lines.close();
Assert.assertEquals(expectedData, data.toString().trim());
}
private String readFromInputStream(InputStream inputStream) throws IOException {
StringBuilder resultStringBuilder = new StringBuilder();
try (BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream))) {
String line;
while ((line = bufferedReader.readLine()) != null) {
resultStringBuilder.append(line).append("\n");
}
}
return resultStringBuilder.toString();
}
}
core-java-8/src/test/java/com/baeldung/java8/JavaFolderSizeTest.java
+8 -8
View File
@@ -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
+41
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@@ -0,0 +1,41 @@
package com.baeldung.util;
import org.junit.Test;
import java.time.*;
import java.time.temporal.ChronoField;
import static org.junit.Assert.assertEquals;
public class CurrentDateTimeTest {
private static final Clock clock = Clock.fixed(Instant.parse("2016-10-09T15:10:30.00Z"), ZoneId.of("UTC"));
@Test
public void shouldReturnCurrentDate() {
final LocalDate now = LocalDate.now(clock);
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(clock);
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(clock);
assertEquals(clock.instant().getEpochSecond(), now.getEpochSecond());
}
}
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-8/src/test/resources/.gitignore → core-java-9/.gitignore
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core-java-9/README.md
+5
View File
@@ -0,0 +1,5 @@
=========
## Core Java 9 Examples
http://inprogress.baeldung.com/java-9-new-features/
core-java-9/pom.xml
+93
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@@ -0,0 +1,93 @@
<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>
<artifactId>core-java9</artifactId>
<version>0.2-SNAPSHOT</version>
<name>core-java9</name>
<pluginRepositories>
<pluginRepository>
<id>apache.snapshots</id>
<url>http://repository.apache.org/snapshots/</url>
</pluginRepository>
</pluginRepositories>
<dependencies>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${org.slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-library</artifactId>
<version>${org.hamcrest.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<version>${mockito.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<finalName>core-java-9</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven-compiler-plugin.version}</version>
<configuration>
<source>1.9</source>
<target>1.9</target>
<verbose>true</verbose>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>${maven-surefire-plugin.version}</version>
</plugin>
</plugins>
</build>
<properties>
<!-- logging -->
<org.slf4j.version>1.7.13</org.slf4j.version>
<logback.version>1.0.13</logback.version>
<!-- maven plugins -->
<maven-compiler-plugin.version>3.6-jigsaw-SNAPSHOT</maven-compiler-plugin.version>
<maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
<!-- testing -->
<org.hamcrest.version>1.3</org.hamcrest.version>
<junit.version>4.12</junit.version>
<mockito.version>1.10.19</mockito.version>
</properties>
</project>

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