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<small><a href="./../../index.html">Home</a>&nbsp;&raquo&nbsp;<a href="./../../examples-trunk/">Examples Trunk</a>&nbsp;&raquo&nbsp;<a href="./../../examples-trunk/cdi-produces-disposes/">Cdi Produces Disposes</a></small><br>
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<h1>CDI Produces Disposes
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<p><em>Help us document this example! Click the blue pencil icon in the upper right to edit this page.</em></p>
<h2>ConsoleHandler</h2>
<pre><code>package org.superbiz.cdi.produces.disposes;
public class ConsoleHandler implements LogHandler {
private String name;
public ConsoleHandler(String name) {
this.name = name;
}
@Override
public String getName() {
return name;
}
@Override
public void writeLog(String s) {
System.out.printf("##### Handler: %s, Writing to the console!\n", getName());
}
}
</code></pre>
<h2>DatabaseHandler</h2>
<pre><code>package org.superbiz.cdi.produces.disposes;
public class DatabaseHandler implements LogHandler {
private String name;
public DatabaseHandler(String name) {
this.name = name;
}
@Override
public String getName() {
return name;
}
@Override
public void writeLog(String s) {
System.out.printf("##### Handler: %s, Writing to the database!\n", getName());
// Use connection to write log to database
}
}
</code></pre>
<h2>FileHandler</h2>
<pre><code>package org.superbiz.cdi.produces.disposes;
public class FileHandler implements LogHandler {
private String name;
public FileHandler(String name) {
this.name = name;
}
@Override
public String getName() {
return name;
}
@Override
public void writeLog(String s) {
System.out.printf("##### Handler: %s, Writing to the file!\n", getName());
// Write to log file
}
}
</code></pre>
<h2>LogFactory</h2>
<pre><code>package org.superbiz.cdi.produces.disposes;
import javax.enterprise.inject.Disposes;
import javax.enterprise.inject.Produces;
public class LogFactory {
private int type = 2;
@Produces
public LogHandler getLogHandler() {
switch (type) {
case 1:
return new FileHandler("@Produces created FileHandler!");
case 2:
return new DatabaseHandler("@Produces created DatabaseHandler!");
case 3:
default:
return new ConsoleHandler("@Produces created ConsoleHandler!");
}
}
public void closeLogHandler(@Disposes LogHandler handler) {
switch (type) {
case 1:
System.out.println("Closing File handler!");
break;
case 2:
System.out.println("Closing DB handler!");
break;
case 3:
default:
System.out.println("Closing Console handler!");
}
}
}
</code></pre>
<h2>Logger</h2>
<pre><code>package org.superbiz.cdi.produces.disposes;
public interface Logger {
public void log(String s);
public LogHandler getHandler();
}
</code></pre>
<h2>LoggerImpl</h2>
<pre><code>package org.superbiz.cdi.produces.disposes;
import javax.inject.Inject;
import javax.inject.Named;
@Named("logger")
public class LoggerImpl implements Logger {
@Inject
private LogHandler handler;
@Override
public void log(String s) {
getHandler().writeLog(s);
}
public LogHandler getHandler() {
return handler;
}
}
</code></pre>
<h2>LogHandler</h2>
<pre><code>package org.superbiz.cdi.produces.disposes;
public interface LogHandler {
public String getName();
public void writeLog(String s);
}
</code></pre>
<h2>beans.xml</h2>
<pre><code>&lt;beans xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/beans_1_0.xsd"&gt;
&lt;/beans&gt;
</code></pre>
<h2>LoggerTest</h2>
<pre><code>package org.superbiz.cdi.produces.disposes;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import javax.ejb.embeddable.EJBContainer;
import javax.inject.Inject;
import javax.naming.Context;
import static junit.framework.Assert.assertNotNull;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
public class LoggerTest {
@Inject
Logger logger;
private Context ctxt;
@Before
public void setUp() {
try {
ctxt = EJBContainer.createEJBContainer().getContext();
ctxt.bind("inject", this);
} catch (Exception e) {
e.printStackTrace();
}
}
@After
public void cleanUp() {
try {
ctxt.unbind("inject");
ctxt.close();
} catch (Exception e) {
e.printStackTrace();
}
}
@Test
public void testLogHandler() {
assertNotNull(logger);
assertFalse("Handler should not be a ConsoleHandler", logger.getHandler() instanceof ConsoleHandler);
assertFalse("Handler should not be a FileHandler", logger.getHandler() instanceof FileHandler);
assertTrue("Handler should be a DatabaseHandler", logger.getHandler() instanceof DatabaseHandler);
logger.log("##### Testing write\n");
logger = null;
}
}
</code></pre>
<h1>Running</h1>
<pre><code>-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running org.superbiz.cdi.produces.disposes.LoggerTest
Apache OpenEJB 4.0.0-beta-1 build: 20111002-04:06
http://tomee.apache.org/
INFO - openejb.home = /Users/dblevins/examples/cdi-produces-disposes
INFO - openejb.base = /Users/dblevins/examples/cdi-produces-disposes
INFO - Using 'javax.ejb.embeddable.EJBContainer=true'
INFO - Configuring Service(id=Default Security Service, type=SecurityService, provider-id=Default Security Service)
INFO - Configuring Service(id=Default Transaction Manager, type=TransactionManager, provider-id=Default Transaction Manager)
INFO - Found EjbModule in classpath: /Users/dblevins/examples/cdi-produces-disposes/target/classes
INFO - Beginning load: /Users/dblevins/examples/cdi-produces-disposes/target/classes
INFO - Configuring enterprise application: /Users/dblevins/examples/cdi-produces-disposes
INFO - Configuring Service(id=Default Managed Container, type=Container, provider-id=Default Managed Container)
INFO - Auto-creating a container for bean cdi-produces-disposes.Comp: Container(type=MANAGED, id=Default Managed Container)
INFO - Enterprise application "/Users/dblevins/examples/cdi-produces-disposes" loaded.
INFO - Assembling app: /Users/dblevins/examples/cdi-produces-disposes
INFO - Jndi(name="java:global/cdi-produces-disposes/cdi-produces-disposes.Comp!org.apache.openejb.BeanContext$Comp")
INFO - Jndi(name="java:global/cdi-produces-disposes/cdi-produces-disposes.Comp")
INFO - Jndi(name="java:global/EjbModule10202458/org.superbiz.cdi.produces.disposes.LoggerTest!org.superbiz.cdi.produces.disposes.LoggerTest")
INFO - Jndi(name="java:global/EjbModule10202458/org.superbiz.cdi.produces.disposes.LoggerTest")
INFO - Created Ejb(deployment-id=cdi-produces-disposes.Comp, ejb-name=cdi-produces-disposes.Comp, container=Default Managed Container)
INFO - Created Ejb(deployment-id=org.superbiz.cdi.produces.disposes.LoggerTest, ejb-name=org.superbiz.cdi.produces.disposes.LoggerTest, container=Default Managed Container)
INFO - Started Ejb(deployment-id=cdi-produces-disposes.Comp, ejb-name=cdi-produces-disposes.Comp, container=Default Managed Container)
INFO - Started Ejb(deployment-id=org.superbiz.cdi.produces.disposes.LoggerTest, ejb-name=org.superbiz.cdi.produces.disposes.LoggerTest, container=Default Managed Container)
INFO - Deployed Application(path=/Users/dblevins/examples/cdi-produces-disposes)
##### Handler: @Produces created DatabaseHandler!, Writing to the database!
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.02 sec
Results :
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
</code></pre>
<div class="page-header">&nbsp;</div>
<h4>APIs Used</h4>
<ul><li><a href="http://docs.oracle.com/javaee/6/api/javax/ejb/embeddable/EJBContainer.html">javax.ejb.embeddable.EJBContainer</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/enterprise/inject/Disposes.html">javax.enterprise.inject.Disposes</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/enterprise/inject/Produces.html">javax.enterprise.inject.Produces</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/inject/Inject.html">javax.inject.Inject</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/inject/Named.html">javax.inject.Named</a></li>
</ul>
<h3>Source</h3>
<ul>
<li>Apache <a href="http://svn.apache.org/repos/asf/tomee/tomee/trunk/examples/cdi-produces-disposes">cdi-produces-disposes</a></li>
<li>Github <a href="https://github.com/apache/tomee/tree/trunk/examples/cdi-produces-disposes">cdi-produces-disposes</a></li>
</ul>
<pre>
svn co http://svn.apache.org/repos/asf/tomee/tomee/trunk/examples/cdi-produces-disposes
cd cdi-produces-disposes
mvn clean install
</pre>
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