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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.qpid.weblogic;
import org.apache.log4j.Logger;
import org.apache.qpid.client.AMQConnection;
import org.apache.qpid.client.AMQDestination;
import javax.jms.*;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.naming.Context;
import java.net.InetAddress;
import java.util.Hashtable;
public class ServiceProvider
{
private static final String JNDI_FACTORY = "weblogic.jndi.WLInitialContextFactory";
private static final String JMS_FACTORY = "transientJMSConnectionFactory";
private static final Logger _logger = Logger.getLogger(ServiceProvider.class);
private static MessageProducer _destinationProducer;
private static Queue _destinationQ;
public static void main(String[] args)
{
_logger.info("Starting...");
if (args.length != 2)
{
System.out.println("Usage: <WLS URI> <service queue>");
System.exit(1);
}
try
{
String url = args[0];
String receiveQueue = args[1];
final InitialContext ctx = getInitialContext(url);
QueueConnectionFactory qconFactory = (QueueConnectionFactory) ctx.lookup(JMS_FACTORY);
QueueConnection qcon = qconFactory.createQueueConnection();
final QueueSession qsession = qcon.createQueueSession(false, Session.CLIENT_ACKNOWLEDGE);
Queue receiveQ = (Queue) ctx.lookup(receiveQueue);
_logger.info("Service (queue) name is '" + receiveQ + "'...");
String selector = (args.length > 2 && args[2] != null && args[2].length() > 1) ? args[2] : null;
_logger.info("Message selector is <" + selector + ">...");
MessageConsumer consumer = qsession.createConsumer(receiveQ, selector);
consumer.setMessageListener(new MessageListener()
{
private int _messageCount;
public void onMessage(javax.jms.Message message)
{
//_logger.info("Got message '" + message + "'");
TextMessage tm = (TextMessage) message;
try
{
Queue responseQueue = (Queue)tm.getJMSReplyTo();
if (!responseQueue.equals(_destinationQ))
{
_destinationQ = responseQueue;
_logger.info("Creating destination for " + responseQueue);
try
{
_destinationProducer = qsession.createProducer(_destinationQ);
_destinationProducer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
}
catch (JMSException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
}
_messageCount++;
if (_messageCount % 1000 == 0)
{
_logger.info("Received message total: " + _messageCount);
_logger.info("Sending response to '" + responseQueue + "'");
}
String payload = "This is a response: sing together: 'Mahnah mahnah...'" + tm.getText();
TextMessage msg = qsession.createTextMessage(payload);
if (tm.propertyExists("timeSent"))
{
_logger.info("timeSent property set on message");
final long timeSent = tm.getLongProperty("timeSent");
msg.setLongProperty("timeSent", timeSent);
_logger.info("time taken to go from service request to provider is: " + (System.currentTimeMillis() - timeSent));
}
_destinationProducer.send(msg);
if (_messageCount % 1000 == 0)
{
tm.acknowledge();
_logger.info("Sent response to '" + responseQueue + "'");
}
}
catch (JMSException e)
{
_logger.error("Error sending message: " + e, e);
}
}
});
qcon.start();
}
catch (Throwable t)
{
System.err.println("Fatal error: " + t);
t.printStackTrace();
}
System.out.println("Waiting...");
}
private static InitialContext getInitialContext(String url) throws NamingException
{
Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY, JNDI_FACTORY);
env.put(Context.PROVIDER_URL, url);
return new InitialContext(env);
}
}
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