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arun-guptaarun-gupta
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Merge pull request #185 from rhanus/master
added cdi/interceptors-prioriry
2 parents 4881b60 + f80087a commit 624d2f9

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‎cdi/interceptors-priority/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">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.javaee7.cdi</groupId>
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<artifactId>cdi-samples</artifactId>
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<version>1.0-SNAPSHOT</version>
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<relativePath>../pom.xml</relativePath>
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</parent>
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<artifactId>interceptors-prioriry</artifactId>
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</project>

‎cdi/interceptors-priority/src/main/java/org/javaee7/cdi/interceptors/priority/Greeting.java‎

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package org.javaee7.cdi.interceptors.priority;
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/**
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* @author Radim Hanus
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*/
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public interface Greeting {
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public String getGreet();
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public void setGreet(String name);
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}

‎cdi/interceptors-priority/src/main/java/org/javaee7/cdi/interceptors/priority/HighPriorityInterceptor.java‎

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package org.javaee7.cdi.interceptors.priority;
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import javax.annotation.Priority;
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import javax.interceptor.AroundInvoke;
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import javax.interceptor.Interceptor;
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import javax.interceptor.InvocationContext;
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/**
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* Interceptors with smaller priority values are called first.
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*
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* @author Radim Hanus
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*/
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@Interceptor
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@MyInterceptorBinding
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@Priority(Interceptor.Priority.APPLICATION + 100)
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public class HighPriorityInterceptor {
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@AroundInvoke
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public Object log(InvocationContext context) throws Exception {
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Object[] parameters = context.getParameters();
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if (parameters.length > 0 && parameters[0] instanceof String) {
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String param = (String) parameters[0];
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parameters[0] = "Hi " + param + " !";
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context.setParameters(parameters);
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}
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return context.proceed();
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}
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}

‎cdi/interceptors-priority/src/main/java/org/javaee7/cdi/interceptors/priority/LowPriorityInterceptor.java‎

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package org.javaee7.cdi.interceptors.priority;
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import javax.annotation.Priority;
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import javax.interceptor.AroundInvoke;
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import javax.interceptor.Interceptor;
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import javax.interceptor.InvocationContext;
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/**
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* Interceptors with smaller priority values are called first.
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*
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* @author Radim Hanus
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*/
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@Interceptor
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@MyInterceptorBinding
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@Priority(Interceptor.Priority.APPLICATION + 200)
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public class LowPriorityInterceptor {
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@AroundInvoke
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public Object log(InvocationContext context) throws Exception {
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Object[] parameters = context.getParameters();
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if (parameters.length > 0 && parameters[0] instanceof String) {
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String param = (String) parameters[0];
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parameters[0] = param + " Nice to meet you.";
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context.setParameters(parameters);
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}
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return context.proceed();
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}
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}

‎cdi/interceptors-priority/src/main/java/org/javaee7/cdi/interceptors/priority/MyInterceptorBinding.java‎

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package org.javaee7.cdi.interceptors.priority;
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import javax.interceptor.InterceptorBinding;
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import java.lang.annotation.Inherited;
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import java.lang.annotation.Retention;
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import java.lang.annotation.Target;
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import static java.lang.annotation.ElementType.METHOD;
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import static java.lang.annotation.ElementType.TYPE;
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import static java.lang.annotation.RetentionPolicy.RUNTIME;
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/**
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* @author Arun Gupta
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*/
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@Inherited
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@InterceptorBinding
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@Retention(RUNTIME)
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@Target({METHOD, TYPE})
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public @interface MyInterceptorBinding {
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}

‎cdi/interceptors-priority/src/main/java/org/javaee7/cdi/interceptors/priority/SimpleGreeting.java‎

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package org.javaee7.cdi.interceptors.priority;
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/**
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* @author Radim Hanus
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*/
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@MyInterceptorBinding
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public class SimpleGreeting implements Greeting {
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private String greet;
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public String getGreet() {
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return greet;
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}
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public void setGreet(String greet) {
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this.greet = greet;
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}
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}

‎cdi/interceptors-priority/src/test/java/org/javaee7/cdi/interceptors/priority/GreetingTest.java‎

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package org.javaee7.cdi.interceptors.priority;
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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.Archive;
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import org.jboss.shrinkwrap.api.ShrinkWrap;
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import org.jboss.shrinkwrap.api.spec.JavaArchive;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import javax.inject.Inject;
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import static org.hamcrest.CoreMatchers.*;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertThat;
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/**
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* Note that beans.xml doesn't define any interceptor. Interceptors declared using interceptor bindings
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* are enabled for the entire application and ordered using the Priority annotation.
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*
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* @author Radim Hanus
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*/
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@RunWith(Arquillian.class)
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public class GreetingTest {
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@Deployment
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public static Archive<?> deploy() {
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return ShrinkWrap.create(JavaArchive.class)
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.addClasses(Greeting.class, SimpleGreeting.class, MyInterceptorBinding.class, LowPriorityInterceptor.class, HighPriorityInterceptor.class)
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.addAsManifestResource("beans.xml");
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}
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@Inject
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Greeting bean;
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@Test
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public void test() throws Exception {
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assertThat(bean, is(notNullValue()));
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assertThat(bean, instanceOf(SimpleGreeting.class));
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bean.setGreet("Arun");
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assertEquals(bean.getGreet(), "Hi Arun ! Nice to meet you.");
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}
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}

‎cdi/interceptors-priority/src/test/resources/arquillian.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<arquillian xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns="http://jboss.org/schema/arquillian"
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xsi:schemaLocation="http://jboss.org/schema/arquillian http://jboss.org/schema/arquillian/arquillian_1_0.xsd">
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<defaultProtocol type="Servlet 3.0"/>
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<container qualifier="test" default="true">
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<configuration>
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<property name="jbossHome">${serverRoot:target/wildfly-8.0.0.CR1}</property>
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<property name="serverConfig">${serverProfile:standalone-full.xml}</property>
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</configuration>
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</container>
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</arquillian>

‎cdi/interceptors-priority/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_1_1.xsd"
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bean-discovery-mode="all">
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</beans>

‎cdi/pom.xml‎

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<module>exclude-filter</module>
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<module>built-in</module>
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<module>interceptors</module>
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<module>interceptors-prioriry</module>
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<module>nobeans-xml</module>
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<module>beansxml-noversion</module>
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<module>beanmanager</module>

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