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package org.apache.qpid.jca.example.ejb;
import java.util.Date;
import javax.annotation.PostConstruct;
import javax.ejb.ActivationConfigProperty;
import javax.ejb.MessageDriven;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.Message;
import javax.jms.MessageListener;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.naming.InitialContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@MessageDriven(activationConfig = {
@ActivationConfigProperty(propertyName = "acknowledgeMode", propertyValue = "Auto-acknowledge"),
@ActivationConfigProperty(propertyName = "destinationType", propertyValue = "javax.jms.Queue"),
@ActivationConfigProperty(propertyName = "destination", propertyValue = "@qpid.responder.queue.jndi.name@"),
@ActivationConfigProperty(propertyName = "connectionURL", propertyValue = "@broker.url@"),
@ActivationConfigProperty(propertyName = "maxSession", propertyValue = "10")
})
public class QpidJMSResponderBean implements MessageListener
{
private static final Logger _log = LoggerFactory.getLogger(QpidJMSResponderBean.class);
private ConnectionFactory _connectionFactory;
@PostConstruct
public void init()
{
InitialContext context = null;
try
{
context = new InitialContext();
_connectionFactory = (ConnectionFactory)context.lookup("java:comp/env/QpidJMSXA");
}
catch(Exception e)
{
_log.error(e.getMessage(), e);
}
finally
{
QpidUtil.closeResources(context);
}
}
@Override
public void onMessage(Message message)
{
Connection connection = null;
Session session = null;
MessageProducer messageProducer = null;
TextMessage response = null;
try
{
if(message instanceof TextMessage)
{
String content = ((TextMessage)message).getText();
_log.info("Received text message with contents: [" + content + "] at " + new Date());
StringBuffer temp = new StringBuffer();
temp.append("QpidJMSResponderBean received message with content: [" + content);
temp.append("] at " + new Date());
if(message.getJMSReplyTo() != null)
{
connection = _connectionFactory.createConnection();
session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
messageProducer = session.createProducer(message.getJMSReplyTo());
response = session.createTextMessage();
response.setText(temp.toString());
messageProducer.send(response);
}
else
{
_log.warn("Response was requested with no JMSReplyToDestination set. Will not respond to message.");
}
}
}
catch(Exception e)
{
_log.error(e.getMessage(), e);
}
finally
{
QpidUtil.closeResources(session, connection);
}
}
}
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