merged Alex changes

apache-cxf/cxf-spring/.gitignore

@@ -0,0 +1 @@
+target/

apache-cxf/cxf-spring/pom.xml

@@ -8,18 +8,42 @@
         <artifactId>apache-cxf</artifactId>
         <version>0.0.1-SNAPSHOT</version>
     </parent>
-    <properties>
-        <cxf.version>3.1.6</cxf.version>
-        <spring.version>4.3.1.RELEASE</spring.version>
-        <surefire.version>2.19.1</surefire.version>
-    </properties>
+    
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.cxf</groupId>
+            <artifactId>cxf-rt-frontend-jaxws</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.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+            <version>${spring.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-webmvc</artifactId>
+            <version>${spring.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>javax.servlet-api</artifactId>
+            <version>3.1.0</version>
+        </dependency>
+    </dependencies>
+    
     <build>
         <plugins>
             <plugin>
                 <artifactId>maven-war-plugin</artifactId>
                 <version>2.6</version>
                 <configuration>
-                    <webXml>src/main/webapp/WEB-INF/web.xml</webXml>
+                    <failOnMissingWebXml>false</failOnMissingWebXml>
                 </configuration>
             </plugin>
             <plugin>
@@ -33,6 +57,7 @@
             </plugin>
         </plugins>
     </build>
+    
     <profiles>
         <profile>
             <id>integration</id>
@@ -41,16 +66,16 @@
                     <plugin>
                         <groupId>org.codehaus.cargo</groupId>
                         <artifactId>cargo-maven2-plugin</artifactId>
-                        <version>1.5.0</version>
+                        <version>1.4.19</version>
                         <configuration>
                             <container>
-                                <containerId>jetty9x</containerId>
+                                <containerId>tomcat8x</containerId>
                                 <type>embedded</type>
                             </container>
                             <configuration>
                                 <properties>
                                     <cargo.hostname>localhost</cargo.hostname>
-                                    <cargo.servlet.port>8080</cargo.servlet.port>
+                                    <cargo.servlet.port>8081</cargo.servlet.port>
                                 </properties>
                             </configuration>
                         </configuration>
@@ -71,6 +96,7 @@
                             </execution>
                         </executions>
                     </plugin>
+                    
                     <plugin>
                         <artifactId>maven-surefire-plugin</artifactId>
                         <version>${surefire.version}</version>
@@ -91,27 +117,13 @@
                 </plugins>
             </build>
         </profile>
+        
     </profiles>
-    <dependencies>
-        <dependency>
-            <groupId>org.apache.cxf</groupId>
-            <artifactId>cxf-rt-frontend-jaxws</artifactId>
-            <version>${cxf.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.cxf</groupId>
-            <artifactId>cxf-rt-transports-http-jetty</artifactId>
-            <version>${cxf.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-context</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-web</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
-    </dependencies>
+    
+    <properties>
+        <cxf.version>3.1.6</cxf.version>
+        <spring.version>4.3.1.RELEASE</spring.version>
+        <surefire.version>2.19.1</surefire.version>
+    </properties>
+    
 </project>

apache-cxf/cxf-spring/src/main/java/com/baeldung/cxf/spring/AppInitializer.java

@@ -0,0 +1,21 @@
+package com.baeldung.cxf.spring;
+
+import javax.servlet.ServletContext;
+import javax.servlet.ServletRegistration;
+
+import org.apache.cxf.transport.servlet.CXFServlet;
+import org.springframework.web.WebApplicationInitializer;
+import org.springframework.web.context.ContextLoaderListener;
+import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
+
+public class AppInitializer implements WebApplicationInitializer {
+    @Override
+    public void onStartup(ServletContext container) {
+        AnnotationConfigWebApplicationContext context = new AnnotationConfigWebApplicationContext();
+        context.register(ServiceConfiguration.class);
+        container.addListener(new ContextLoaderListener(context));
+
+        ServletRegistration.Dynamic dispatcher = container.addServlet("dispatcher", new CXFServlet());
+        dispatcher.addMapping("/services/*");
+    }
+}

apache-cxf/cxf-spring/src/main/java/com/baeldung/cxf/spring/Baeldung.java

@@ -5,5 +5,6 @@ import javax.jws.WebService;
 @WebService
 public interface Baeldung {
     String hello(String name);
+
     String register(Student student);
 }

apache-cxf/cxf-spring/src/main/java/com/baeldung/cxf/spring/ClientConfiguration.java

@@ -0,0 +1,21 @@
+package com.baeldung.cxf.spring;
+
+import org.apache.cxf.jaxws.JaxWsProxyFactoryBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class ClientConfiguration {
+    @Bean(name = "client")
+    public Object generateProxy() {
+        return proxyFactoryBean().create();
+    }
+
+    @Bean
+    public JaxWsProxyFactoryBean proxyFactoryBean() {
+        JaxWsProxyFactoryBean proxyFactory = new JaxWsProxyFactoryBean();
+        proxyFactory.setServiceClass(Baeldung.class);
+        proxyFactory.setAddress("http://localhost:8081/services/baeldung");
+        return proxyFactory;
+    }
+}

apache-cxf/cxf-spring/src/main/java/com/baeldung/cxf/spring/ServiceConfiguration.java

@@ -0,0 +1,24 @@
+package com.baeldung.cxf.spring;
+
+import javax.xml.ws.Endpoint;
+
+import org.apache.cxf.Bus;
+import org.apache.cxf.bus.spring.SpringBus;
+import org.apache.cxf.jaxws.EndpointImpl;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class ServiceConfiguration {
+    @Bean(name = Bus.DEFAULT_BUS_ID)
+    public SpringBus springBus() {
+        return new SpringBus();
+    }
+
+    @Bean
+    public Endpoint endpoint() {
+        EndpointImpl endpoint = new EndpointImpl(springBus(), new BaeldungImpl());
+        endpoint.publish("http://localhost:8081/services/baeldung");
+        return endpoint;
+    }
+}

apache-cxf/cxf-spring/src/main/resources/client-beans.xml

@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<beans xmlns="http://www.springframework.org/schema/beans"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:jaxws="http://cxf.apache.org/jaxws"
-    xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://cxf.apache.org/jaxws http://cxf.apache.org/schema/jaxws.xsd">
-    <bean id="client" factory-bean="clientFactory" factory-method="create" />
-    <bean id="clientFactory" class="org.apache.cxf.jaxws.JaxWsProxyFactoryBean">
-        <property name="serviceClass" value="com.baeldung.cxf.spring.Baeldung" />
-        <property name="address" value="http://localhost:8080/services/baeldung" />
-    </bean>
-</beans>

apache-cxf/cxf-spring/src/main/webapp/WEB-INF/cxf-servlet.xml

@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<beans xmlns="http://www.springframework.org/schema/beans"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:jaxws="http://cxf.apache.org/jaxws"
-    xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://cxf.apache.org/jaxws http://cxf.apache.org/schemas/jaxws.xsd">
-    <jaxws:endpoint id="baeldung"
-        implementor="com.baeldung.cxf.spring.BaeldungImpl" address="http://localhost:8080/services/baeldung" />
-</beans>

apache-cxf/cxf-spring/src/main/webapp/WEB-INF/web.xml

@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    version="3.0"
-    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
-    <servlet>
-        <servlet-name>cxf</servlet-name>
-        <servlet-class>org.apache.cxf.transport.servlet.CXFServlet</servlet-class>
-        <load-on-startup>1</load-on-startup>
-    </servlet>
-    <servlet-mapping>
-        <servlet-name>cxf</servlet-name>
-        <url-pattern>/services/*</url-pattern>
-    </servlet-mapping>
-</web-app>

apache-cxf/cxf-spring/src/test/java/com/baeldung/cxf/spring/StudentTest.java

@@ -3,15 +3,12 @@ package com.baeldung.cxf.spring;
 import static org.junit.Assert.assertEquals;
 
 import org.junit.Test;
-import org.springframework.context.support.ClassPathXmlApplicationContext;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 
 public class StudentTest {
-    private ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(new String[] { "client-beans.xml" });
-    private Baeldung baeldungProxy;
-
-    {
-        baeldungProxy = (Baeldung) context.getBean("client");
-    }
+    private ApplicationContext context = new AnnotationConfigApplicationContext(ClientConfiguration.class);
+    private Baeldung baeldungProxy = (Baeldung) context.getBean("client");
 
     @Test
     public void whenUsingHelloMethod_thenCorrect() {
@@ -25,7 +22,7 @@ public class StudentTest {
         Student student2 = new Student("Eve");
         String student1Response = baeldungProxy.register(student1);
         String student2Response = baeldungProxy.register(student2);
-        
+
         assertEquals("Adam is registered student number 1", student1Response);
         assertEquals("Eve is registered student number 2", student2Response);
     }

dependency-injection/pom.xml

@@ -1,6 +1,5 @@
-<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">
+<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>
 
@@ -9,7 +8,7 @@
     <version>0.0.1-SNAPSHOT</version>
     <packaging>war</packaging>
 
-    <name>Resource vs Inject vs Autowired</name>
+    <name>dependency-injection</name>
     <description>Accompanying the demonstration of the use of the annotations related to injection mechanisms, namely
         Resource, Inject, and Autowired
     </description>
@@ -54,6 +53,7 @@
     </dependencies>
 
     <build>
+
         <plugins>
             <plugin>
                 <artifactId>maven-compiler-plugin</artifactId>
@@ -71,13 +71,29 @@
                     </includes>
                 </configuration>
             </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-war-plugin</artifactId>
+                <version>${maven-war-plugin.version}</version>
+                <configuration>
+                    <failOnMissingWebXml>false</failOnMissingWebXml>
+                </configuration>
+            </plugin>
+
         </plugins>
+
     </build>
 
+    <properties>
+        <maven-war-plugin.version>2.6</maven-war-plugin.version>
+    </properties>
+
     <repositories>
         <repository>
             <id>java.net</id>
             <url>https://maven.java.net/content/repositories/releases/</url>
         </repository>
     </repositories>
+
 </project>

dozer-tutorial/src/test/java/com/baeldung/dozer/DozerTest.java

@@ -16,15 +16,20 @@ import org.junit.Before;
 import org.junit.Test;
 
 public class DozerTest {
+<<<<<<< HEAD
 	DozerBeanMapper mapper = new DozerBeanMapper();
 	private final long GMT_DIFFERENCE=46800000;
+=======
+
+	private DozerBeanMapper mapper = new DozerBeanMapper();
+>>>>>>> 6f2ccdf18729969951fc37e635d24c30dd9b43d5
 
 	@Before
 	public void before() throws Exception {
 		mapper = new DozerBeanMapper();
 	}
 
-	BeanMappingBuilder builder = new BeanMappingBuilder() {
+	private BeanMappingBuilder builder = new BeanMappingBuilder() {
 
 		@Override
 		protected void configure() {
@@ -33,7 +38,7 @@ public class DozerTest {
 
 		}
 	};
-	BeanMappingBuilder builderMinusAge = new BeanMappingBuilder() {
+	private BeanMappingBuilder builderMinusAge = new BeanMappingBuilder() {
 
 		@Override
 		protected void configure() {

hystrix/pom.xml

@@ -0,0 +1,80 @@
+<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>
+    <groupId>com.baeldung</groupId>
+    <artifactId>hystrix</artifactId>
+    <version>1.0</version>
+
+    <name>hystrix</name>
+
+    <properties>
+
+        <!-- General -->
+        <java.version>1.8</java.version>
+
+        <!-- Hystrix -->
+        <hystrix-core.version>1.4.10</hystrix-core.version>
+        <rxjava-core.version>0.20.7</rxjava-core.version>
+
+        <!-- Testing -->
+        <hamcrest-all.version>1.3</hamcrest-all.version>
+        <junit.version>4.12</junit.version>
+
+        <!-- maven plugins -->
+        <maven-compiler-plugin.version>3.5.1</maven-compiler-plugin.version>
+        <maven-war-plugin.version>2.6</maven-war-plugin.version>
+        <maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
+        <maven-resources-plugin.version>2.7</maven-resources-plugin.version>
+
+    </properties>
+
+    <dependencies>
+
+        <dependency>
+            <groupId>com.netflix.hystrix</groupId>
+            <artifactId>hystrix-core</artifactId>
+            <version>${hystrix-core.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.netflix.rxjava</groupId>
+            <artifactId>rxjava-core</artifactId>
+            <version>${rxjava-core.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest-all</artifactId>
+            <version>${hamcrest-all.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>${junit.version}</version>
+            <scope>test</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>
+
+
+

hystrix/src/main/java/com/baeldung/hystrix/RemoteServiceSimulator.java

@@ -0,0 +1,15 @@
+package com.baeldung.hystrix;
+
+
+public class RemoteServiceSimulator {
+
+    public String checkSomething(final long timeout) throws InterruptedException {
+
+        System.out.print(String.format("Waiting %sms. ", timeout));
+
+        // to simulate a real world delay in processing.
+        Thread.sleep(timeout);
+
+        return "Done waiting.";
+    }
+}

hystrix/src/test/java/com/baeldung/hystrix/CommandHelloWorld.java

@@ -0,0 +1,19 @@
+package com.baeldung.hystrix;
+
+import com.netflix.hystrix.HystrixCommand;
+import com.netflix.hystrix.HystrixCommandGroupKey;
+
+class CommandHelloWorld extends HystrixCommand<String> {
+
+    private final String name;
+
+    CommandHelloWorld(String name) {
+        super(HystrixCommandGroupKey.Factory.asKey("ExampleGroup"));
+        this.name = name;
+    }
+
+    @Override
+    protected String run() {
+        return "Hello " + name + "!";
+    }
+}

hystrix/src/test/java/com/baeldung/hystrix/HystrixTimeoutTest.java

@@ -0,0 +1,62 @@
+package com.baeldung.hystrix;
+
+import com.netflix.hystrix.*;
+import com.netflix.hystrix.collapser.RequestCollapserFactory;
+import com.netflix.hystrix.exception.HystrixRuntimeException;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.equalTo;
+
+public class HystrixTimeoutTest {
+
+    private static HystrixCommand.Setter config;
+    private static HystrixCommandProperties.Setter commandProperties = HystrixCommandProperties.Setter();
+
+
+    @Rule
+    public final ExpectedException exception = ExpectedException.none();
+
+    @Before
+    public void setup() {
+        config = HystrixCommand
+          .Setter
+          .withGroupKey(HystrixCommandGroupKey.Factory.asKey("RemoteServiceGroup1"));
+    }
+
+    @Test
+    public void givenInputBob_andDefaultSettings_thenReturnHelloBob(){
+        assertThat(new CommandHelloWorld("Bob").execute(), equalTo("Hello Bob!"));
+    }
+
+    @Test
+    public void givenTimeoutEqualTo100_andDefaultSettings_thenReturnSuccess() throws InterruptedException {
+        assertThat(new RemoteServiceTestCommand(config, new RemoteServiceTestSimulator(100)).execute(), equalTo("Success"));
+    }
+
+    @Test
+    public void givenTimeoutEqualTo10000_andDefaultSettings_thenExpectHystrixRuntimeException() throws InterruptedException {
+        exception.expect(HystrixRuntimeException.class);
+        new RemoteServiceTestCommand(config, new RemoteServiceTestSimulator(10_000)).execute();
+    }
+
+    @Test
+    public void givenTimeoutEqualTo5000_andExecutionTimeoutEqualTo10000_thenReturnSuccess() throws InterruptedException {
+        commandProperties.withExecutionTimeoutInMilliseconds(10_000);
+        config.andCommandPropertiesDefaults(commandProperties);
+        assertThat(new RemoteServiceTestCommand(config, new RemoteServiceTestSimulator(5_000)).execute(), equalTo("Success"));
+    }
+
+    @Test
+    public void givenTimeoutEqualTo15000_andExecutionTimeoutEqualTo10000_thenExpectHystrixRuntimeException() throws InterruptedException {
+        exception.expect(HystrixRuntimeException.class);
+        commandProperties.withExecutionTimeoutInMilliseconds(10_000);
+        config.andCommandPropertiesDefaults(commandProperties);
+        new RemoteServiceTestCommand(config, new RemoteServiceTestSimulator(15_000)).execute();
+    }
+
+}

hystrix/src/test/java/com/baeldung/hystrix/RemoteServiceTestCommand.java

@@ -0,0 +1,20 @@
+package com.baeldung.hystrix;
+
+import com.netflix.hystrix.HystrixCommand;
+import com.netflix.hystrix.HystrixCommandGroupKey;
+
+
+class RemoteServiceTestCommand extends HystrixCommand<String> {
+
+    private final RemoteServiceTestSimulator remoteService;
+
+    RemoteServiceTestCommand(Setter config, RemoteServiceTestSimulator remoteService) {
+        super(config);
+        this.remoteService = remoteService;
+    }
+
+    @Override
+    protected String run() throws Exception {
+        return remoteService.execute();
+    }
+}

hystrix/src/test/java/com/baeldung/hystrix/RemoteServiceTestSimulator.java

@@ -0,0 +1,16 @@
+package com.baeldung.hystrix;
+
+
+class RemoteServiceTestSimulator {
+
+    private long wait;
+
+    RemoteServiceTestSimulator(long wait) throws InterruptedException {
+        this.wait = wait;
+    }
+
+    String execute() throws InterruptedException {
+        Thread.sleep(wait);
+        return "Success";
+    }
+}

immutables/pom.xml

@@ -0,0 +1,50 @@
+<?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>
+
+    <groupId>com.baeldung</groupId>
+    <artifactId>immutables</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.immutables</groupId>
+            <artifactId>value</artifactId>
+            <version>2.2.10</version>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>3.5.2</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mutabilitydetector</groupId>
+            <artifactId>MutabilityDetector</artifactId>
+            <version>0.9.5</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.3</version>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>

immutables/src/main/java/com/baeldung/immutable/Address.java

@@ -0,0 +1,9 @@
+package com.baeldung.immutable;
+
+import org.immutables.value.Value;
+
+@Value.Immutable
+public interface Address {
+    String getStreetName();
+    Integer getNumber();
+}

immutables/src/main/java/com/baeldung/immutable/Person.java

@@ -0,0 +1,9 @@
+package com.baeldung.immutable;
+
+import org.immutables.value.Value;
+
+@Value.Immutable
+public abstract class Person {
+    abstract String getName();
+    abstract Integer getAge();
+}

immutables/src/main/java/com/baeldung/immutable/auxiliary/Person.java

@@ -0,0 +1,13 @@
+package com.baeldung.immutable.auxiliary;
+
+
+import org.immutables.value.Value;
+
+@Value.Immutable
+public abstract class Person {
+    abstract String getName();
+    abstract Integer getAge();
+
+    @Value.Auxiliary
+    abstract String getAuxiliaryField();
+}

immutables/src/main/java/com/baeldung/immutable/default_/Person.java

@@ -0,0 +1,14 @@
+package com.baeldung.immutable.default_;
+
+import org.immutables.value.Value;
+
+@Value.Immutable(prehash = true)
+public abstract class Person {
+
+    abstract String getName();
+
+    @Value.Default
+    Integer getAge() {
+        return 42;
+    }
+}

immutables/src/main/java/com/baeldung/immutable/parameter/Person.java

@@ -0,0 +1,14 @@
+package com.baeldung.immutable.parameter;
+
+
+import org.immutables.value.Value;
+
+@Value.Immutable
+public abstract class Person {
+
+    @Value.Parameter
+    abstract String getName();
+
+    @Value.Parameter
+    abstract Integer getAge();
+}

immutables/src/main/java/com/baeldung/immutable/prehash/Person.java

@@ -0,0 +1,9 @@
+package com.baeldung.immutable.prehash;
+
+import org.immutables.value.Value;
+
+@Value.Immutable(prehash = true)
+public abstract class Person {
+    abstract String getName();
+    abstract Integer getAge();
+}

immutables/src/test/java/com/baeldung/immutable/ImmutablePersonTest.java

@@ -0,0 +1,27 @@
+package com.baeldung.immutable;
+
+import org.junit.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mutabilitydetector.unittesting.MutabilityAssert.assertImmutable;
+
+public class ImmutablePersonTest {
+
+    @Test
+    public void whenModifying_shouldCreateNewInstance() throws Exception {
+        final ImmutablePerson john = ImmutablePerson.builder()
+          .age(42)
+          .name("John")
+          .build();
+
+        final ImmutablePerson john43 = john.withAge(43);
+
+        assertThat(john)
+          .isNotSameAs(john43);
+
+        assertThat(john.getAge())
+          .isEqualTo(42);
+
+        assertImmutable(ImmutablePerson.class);
+    }
+}

immutables/src/test/java/com/baeldung/immutable/auxiliary/ImmutablePersonAuxiliaryTest.java

@@ -0,0 +1,33 @@
+package com.baeldung.immutable.auxiliary;
+
+import org.junit.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class ImmutablePersonAuxiliaryTest {
+
+    @Test
+    public void whenComparing_shouldIgnore() throws Exception {
+        final ImmutablePerson john1 = ImmutablePerson.builder()
+          .name("John")
+          .age(42)
+          .auxiliaryField("Value1")
+          .build();
+
+        final ImmutablePerson john2 = ImmutablePerson.builder()
+          .name("John")
+          .age(42)
+          .auxiliaryField("Value2")
+          .build();
+
+
+        assertThat(john1.equals(john2))
+          .isTrue();
+
+        assertThat(john1.toString())
+          .isEqualTo(john2.toString());
+
+        assertThat(john1.hashCode())
+          .isEqualTo(john2.hashCode());
+    }
+}

immutables/src/test/java/com/baeldung/immutable/default_/ImmutablePersonDefaultTest.java

@@ -0,0 +1,17 @@
+package com.baeldung.immutable.default_;
+
+import org.junit.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class ImmutablePersonDefaultTest {
+
+    @Test
+    public void whenInstantiating_shouldUseDefaultValue() throws Exception {
+
+        final ImmutablePerson john = ImmutablePerson.builder().name("John").build();
+
+        assertThat(john.getAge()).isEqualTo(42);
+
+    }
+}

jackson/src/test/java/com/baeldung/jackson/bidirection/CustomListDeserializer.java

@@ -7,9 +7,19 @@ import java.util.List;
 import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.DeserializationContext;
-import com.fasterxml.jackson.databind.JsonDeserializer;
+import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
 
-public class CustomListDeserializer extends JsonDeserializer<List<ItemWithSerializer>> {
+public class CustomListDeserializer extends StdDeserializer<List<ItemWithSerializer>> {
+
+    private static final long serialVersionUID = 1095767961632979804L;
+
+    public CustomListDeserializer() {
+        this(null);
+    }
+
+    public CustomListDeserializer(final Class<?> vc) {
+        super(vc);
+    }
 
     @Override
     public List<ItemWithSerializer> deserialize(final JsonParser jsonparser, final DeserializationContext context) throws IOException, JsonProcessingException {

jackson/src/test/java/com/baeldung/jackson/bidirection/CustomListSerializer.java

@@ -6,11 +6,20 @@ import java.util.List;
 
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.JsonSerializer;
 import com.fasterxml.jackson.databind.SerializerProvider;
+import com.fasterxml.jackson.databind.ser.std.StdSerializer;
 
-public class CustomListSerializer extends JsonSerializer<List<ItemWithSerializer>> {
+public class CustomListSerializer extends StdSerializer<List<ItemWithSerializer>> {
 
+    private static final long serialVersionUID = 3698763098000900856L;
+
+    public CustomListSerializer() {
+        this(null);
+    }
+
+    public CustomListSerializer(final Class<List<ItemWithSerializer>> t) {
+        super(t);
+    }
     @Override
     public void serialize(final List<ItemWithSerializer> items, final JsonGenerator generator, final SerializerProvider provider) throws IOException, JsonProcessingException {
         final List<Integer> ids = new ArrayList<Integer>();