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Added test for decorating a dynamically added CDI bean
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8 files changed

+146
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‎cdi/dynamic-bean-decorated/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<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>
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<parent>
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<groupId>org.javaee8</groupId>
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<artifactId>cdi</artifactId>
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<version>1.0-SNAPSHOT</version>
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</parent>
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<artifactId>dynamic-bean-decorated</artifactId>
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<name>Java EE 8 Samples: CDI - Dynamic Bean Decorated</name>
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</project>

‎cdi/dynamic-bean-decorated/src/main/java/org/javaee8/cdi/dynamic/bean/decorated/CdiExtension.java‎

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package org.javaee8.cdi.dynamic.bean.decorated;
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import javax.enterprise.context.ApplicationScoped;
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import javax.enterprise.event.Observes;
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import javax.enterprise.inject.spi.AfterBeanDiscovery;
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import javax.enterprise.inject.spi.Extension;
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/**
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*
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* @author Arjan Tijms
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*
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*/
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public class CdiExtension implements Extension {
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public void afterBean(final @Observes AfterBeanDiscovery afterBeanDiscovery) {
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afterBeanDiscovery
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.addBean()
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.scope(ApplicationScoped.class)
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.types(MyBean.class)
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.id("Created by " + CdiExtension.class)
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.createWith(e -> new MyBeanImpl("Hi!"));
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}
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}

‎cdi/dynamic-bean-decorated/src/main/java/org/javaee8/cdi/dynamic/bean/decorated/MyBean.java‎

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package org.javaee8.cdi.dynamic.bean.decorated;
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/**
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*
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* @author Arjan Tijms
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*
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*/
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public interface MyBean {
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String sayHi();
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}

‎cdi/dynamic-bean-decorated/src/main/java/org/javaee8/cdi/dynamic/bean/decorated/MyBeanImpl.java‎

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package org.javaee8.cdi.dynamic.bean.decorated;
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import javax.enterprise.inject.Typed;
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/**
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*
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* @author Arjan Tijms
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*
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*/
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// Typed: Extra guard so that MyBeanImpl has no types of itself, but extension archive is not scanned
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// so not strictly needed.
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@Typed
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public class MyBeanImpl implements MyBean {
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private final String greet;
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// Note: There's no default ctor, so CDI cannot directly inject an instance of this
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// bean.
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public MyBeanImpl(String greet) {
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this.greet = greet;
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}
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@Override
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public String sayHi() {
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return greet;
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}
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}

‎cdi/dynamic-bean-decorated/src/main/resources/META-INF/services/javax.enterprise.inject.spi.Extension‎

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org.javaee8.cdi.dynamic.bean.decorated.CdiExtension

‎cdi/dynamic-bean-decorated/src/test/java/org/javaee8/cdi/dynamic/bean/decorated/DynamicBeanTest.java‎

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package org.javaee8.cdi.dynamic.bean.decorated;
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import static org.jboss.shrinkwrap.api.ShrinkWrap.create;
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import static org.junit.Assert.assertEquals;
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import javax.inject.Inject;
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import org.jboss.arquillian.container.test.api.Deployment;
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import org.jboss.arquillian.junit.Arquillian;
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import org.jboss.shrinkwrap.api.spec.JavaArchive;
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import org.jboss.shrinkwrap.api.spec.WebArchive;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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/**
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*
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* @author Arjan Tijms
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*
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*/
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@RunWith(Arquillian.class)
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public class DynamicBeanTest {
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@Deployment
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public static WebArchive deploy() {
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return create(WebArchive.class)
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.addAsLibraries(
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create(JavaArchive.class)
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.addClasses(CdiExtension.class, MyBean.class, MyBeanImpl.class)
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.addAsResource("META-INF/services/javax.enterprise.inject.spi.Extension"))
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.addClass(MyDecorator.class)
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.addAsManifestResource("beans.xml");
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}
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@Inject
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private MyBean myBean;
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@Test
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public void test() {
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assertEquals("Hi! decorated", myBean.sayHi());
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}
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}

‎cdi/dynamic-bean-decorated/src/test/java/org/javaee8/cdi/dynamic/bean/decorated/MyDecorator.java‎

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package org.javaee8.cdi.dynamic.bean.decorated;
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import javax.annotation.Priority;
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import javax.decorator.Decorator;
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import javax.decorator.Delegate;
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import javax.inject.Inject;
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@Decorator
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@Priority(100)
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public class MyDecorator implements MyBean {
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@Inject
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@Delegate
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MyBean mybean;
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@Override
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public String sayHi() {
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return mybean.sayHi() + " decorated";
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}
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}

‎cdi/dynamic-bean-decorated/src/test/resources/beans.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://xmlns.jcp.org/xml/ns/javaee"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/beans_2_0.xsd"
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bean-discovery-mode="all">
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</beans>

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