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1   /*** 
2    * 
3    * Copyright 2005 AgilaSoft Ltd
4    * 
5    * Licensed under the Apache License, Version 2.0 (the "License"); 
6    * you may not use this file except in compliance with the License. 
7    * You may obtain a copy of the License at 
8    * 
9    * http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS, 
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
14   * See the License for the specific language governing permissions and 
15   * limitations under the License. 
16   * 
17   **/
18  package org.logicblaze.lingo.jms;
19  
20  import org.springframework.remoting.support.RemoteInvocationResult;
21  import org.logicblaze.lingo.jms.impl.DefaultJmsProducer;
22  import org.logicblaze.lingo.jms.impl.OneWayRequestor;
23  
24  import javax.jms.JMSException;
25  import javax.jms.Message;
26  import javax.jms.ConnectionFactory;
27  
28  /***
29   * A regular JMS message listener which can be used from inside a message driven object
30   * container.
31   *
32   * @version $Revision: 1.2 $
33   */
34  public class JmsServiceExporterMessageListener extends JmsServiceExporterSupport {
35      private JmsProducer producer;
36      private ConnectionFactory connectionFactory;
37  
38      public void afterPropertiesSet() throws Exception {
39          if (producer == null) {
40              if (connectionFactory == null) {
41                  throw new IllegalArgumentException("requestor or connectionFactory is required");
42              }
43              else {
44                  producer = DefaultJmsProducer.newInstance(connectionFactory);
45              }
46          }
47          Requestor responseRequestor = getResponseRequestor();
48          if (responseRequestor == null) {
49              setResponseRequestor(new OneWayRequestor(producer, null));
50          }
51          super.afterPropertiesSet();
52      }
53  
54      public JmsProducer getProducer() {
55          return producer;
56      }
57  
58      public void setProducer(JmsProducer producer) {
59          this.producer = producer;
60      }
61  
62      public ConnectionFactory getConnectionFactory() {
63          return connectionFactory;
64      }
65  
66      public void setConnectionFactory(ConnectionFactory connectionFactory) {
67          this.connectionFactory = connectionFactory;
68      }
69  
70      protected void writeRemoteInvocationResult(Message message, RemoteInvocationResult result) throws JMSException {
71          Message responseMessage = createResponseMessage(producer.getSession(), message, result);
72          producer.getMessageProducer().send(message.getJMSReplyTo(), responseMessage);
73      }
74  }