TopicBridgeSpringTest.java

/**
 * 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.activemq.network.jms;

import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.jms.Topic;
import javax.jms.TopicConnection;
import javax.jms.TopicRequestor;
import javax.jms.TopicSession;

import junit.framework.TestCase;

import org.apache.activemq.ActiveMQConnectionFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class TopicBridgeSpringTest extends TestCase implements MessageListener {

   protected static final int MESSAGE_COUNT = 10;
   private static final Logger LOG = LoggerFactory.getLogger(TopicBridgeSpringTest.class);

   protected AbstractApplicationContext context;
   protected TopicConnection localConnection;
   protected TopicConnection remoteConnection;
   protected TopicRequestor requestor;
   protected TopicSession requestServerSession;
   protected MessageConsumer requestServerConsumer;
   protected MessageProducer requestServerProducer;

   @Override
   protected void setUp() throws Exception {

      super.setUp();
      context = createApplicationContext();
      ActiveMQConnectionFactory fac = (ActiveMQConnectionFactory) context.getBean("localFactory");
      localConnection = fac.createTopicConnection();
      localConnection.start();
      requestServerSession = localConnection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
      Topic theTopic = requestServerSession.createTopic(getClass().getName());
      requestServerConsumer = requestServerSession.createConsumer(theTopic);
      requestServerConsumer.setMessageListener(this);
      requestServerProducer = requestServerSession.createProducer(null);

      fac = (ActiveMQConnectionFactory) context.getBean("remoteFactory");
      remoteConnection = fac.createTopicConnection();
      remoteConnection.start();
      TopicSession session = remoteConnection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
      requestor = new TopicRequestor(session, theTopic);
   }

   protected AbstractApplicationContext createApplicationContext() {
      return new ClassPathXmlApplicationContext("org/apache/activemq/network/jms/topic-spring.xml");
   }

   @Override
   protected void tearDown() throws Exception {
      localConnection.close();
      super.tearDown();
   }

   public void testTopicRequestorOverBridge() throws JMSException {
      for (int i = 0; i < MESSAGE_COUNT; i++) {
         TextMessage msg = requestServerSession.createTextMessage("test msg: " + i);
         LOG.info("Making request: " + msg);
         TextMessage result = (TextMessage) requestor.request(msg);
         assertNotNull(result);
         LOG.info("Received result: " + result.getText());
      }
   }

   @Override
   public void onMessage(Message msg) {
      try {
         TextMessage textMsg = (TextMessage) msg;
         String payload = "REPLY: " + textMsg.getText();
         Destination replyTo;
         replyTo = msg.getJMSReplyTo();
         textMsg.clearBody();
         textMsg.setText(payload);
         LOG.info("Sending response: " + textMsg);
         requestServerProducer.send(replyTo, textMsg);
      } catch (JMSException e) {
         e.printStackTrace();
      }
   }

}