2015-01-05 07:45:36 -05:00
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2014-10-31 06:20:28 -04:00
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<html>
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<head>
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2014-11-19 03:44:57 -05:00
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<title>ActiveMQ Embedded JMS Server Example</title>
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<link rel="stylesheet" type="text/css" href="../common/common.css" />
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<link rel="stylesheet" type="text/css" href="../common/prettify.css" />
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<script type="text/javascript" src="../common/prettify.js"></script>
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</head>
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<body onload="prettyPrint()">
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<h1>Embedded JMS Server Example</h1>
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2014-11-19 03:44:57 -05:00
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<p>This examples shows how to setup and run an embedded JMS server using ActiveMQ along with ActiveMQ configuration files.</p>
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<h2>Example step-by-step</h2>
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<p><i>To run the example, simply type <code>mvn verify -Pexample</code> from this directory</i></p>
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<ol>
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<li>Create ActiveMQ core configuration files and make sure they are within your classpath. By default, ActiveMQ
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expects the configuration file name to be "activemq-configuration.xml".</li>
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<li>Create an embedded ActiveMQ JMS server</li>
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<pre class="prettyprint">
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<code>EmbeddedJMS jmsServer = new EmbeddedJMS();</code>
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</pre>
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<li>Setup security configurations</li>
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<pre class="prettyprint">
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<code>SecurityConfiguration securityConfig = new SecurityConfiguration();
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securityConfig.addUser("guest", "guest");
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securityConfig.addRole("guest", "guest");
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securityConfig.setDefaultUser("guest");
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jmsServer.setSecurityManager(new ActiveMQSecurityManagerImpl(securityConfig));</code>
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</pre>
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<li>Start the embedded ActiveMQ JMS server</li>
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<pre class="prettyprint">
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<code>jmsServer.start()</code>
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</pre>
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<li>Create JMS resources (connection factory and queue) for the example</li>
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<pre class="prettyprint">
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<code>JMSServerManager jmsServerManager = jmsServer.getJMSServerManager();
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List<String> connectors = new ArrayList<String>();
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connectors.add("in-vm");
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jmsServerManager.createConnectionFactory("ConnectionFactory", false, JMSFactoryType.CF, connectors, "ConnectionFactory");
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jmsServerManager.createQueue(false, "exampleQueue", null, false, "queue/exampleQueue");</code>
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</pre>
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<p>At this point the JMS server is started and any JMS clients can look up JMS resources from the JNDI to send/receive
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messages from the server. To keep the example simple, we will send and receive a JMS message from the same JVM
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used to run the JMS server.</p>
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<li>Lookup JMS resources defined in the configuration </li>
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<pre class="prettyprint">
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<code>ConnectionFactory cf = (ConnectionFactory)jmsServer.lookup("ConnectionFactory");
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Queue queue = (Queue)jmsServer.lookup("queue/exampleQueue");</code>
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</pre>
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<li>Send and receive a message using JMS API</li>
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<p>See the <a href="../queue/readme.html">Queue Example</a> for detailed steps to send and receive a JMS message</p>
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<p>Finally, we stop the JMS server and its associated resources.</p>
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<li>Close the connection</li>
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<pre class="prettyprint">
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<code>if (connection != null)
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{
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connection.close();
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}</code>
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</pre>
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<li>Stop the JMS server</li>
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<pre class="prettyprint">
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<code>jmsServer.stop();</code>
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</pre>
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</ol>
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</body>
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</html>
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