/**
* JBoss, Home of Professional Open Source
*
* Distributable under LGPL license.
* See terms of license at gnu.org.
*/
package org.jboss.example.jms.ejb3mdb;
import javax.ejb.ActivationConfigProperty;
import javax.ejb.MessageDriven;
import javax.naming.InitialContext;
import javax.jms.TextMessage;
import javax.jms.Session;
import javax.jms.MessageListener;
import javax.jms.ConnectionFactory;
import javax.jms.Destination;
import javax.jms.Message;
import javax.jms.Connection;
import javax.jms.MessageProducer;
/**
* A MDB3 EJB example.
*
* @author <a href="mailto:ovidiu@jboss.org">Ovidiu Feodorov</a>
* @version <tt>$Revision: 1843 $</tt>
* $Id: EJB3MDBExample.java 1843 2006-12-21 23:41:19Z timfox $
*/
@MessageDriven(activationConfig =
{
@ActivationConfigProperty(propertyName="destinationType", propertyValue="javax.jms.Queue"),
@ActivationConfigProperty(propertyName="destination", propertyValue="queue/testQueue"),
@ActivationConfigProperty(propertyName="DLQMaxResent", propertyValue="10")
})
public class EJB3MDBExample implements MessageListener
{
public void onMessage(Message m)
{
businessLogic(m);
}
private void businessLogic(Message m)
{
Connection conn = null;
Session session = null;
try
{
TextMessage tm = (TextMessage)m;
String text = tm.getText();
System.out.println("message " + text + " received");
// flip the string
String result = "";
for(int i = 0; i < text.length(); i++)
{
result = text.charAt(i) + result;
}
System.out.println("message processed, result: " + result);
InitialContext ic = new InitialContext();
ConnectionFactory cf = (ConnectionFactory)ic.lookup("java:/JmsXA");
ic.close();
conn = cf.createConnection();
conn.start();
session = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
Destination replyTo = m.getJMSReplyTo();
MessageProducer producer = session.createProducer(replyTo);
TextMessage reply = session.createTextMessage(result);
producer.send(reply);
producer.close();
}
catch(Exception e)
{
e.printStackTrace();
System.out.println("The Message Driven Bean failed!");
}
finally
{
if (conn != null)
{
try
{
conn.close();
}
catch(Exception e)
{
System.out.println("Could not close the connection!" +e);
}
}
}
}
}