1 /***
2 *
3 * Copyright 2004 Protique 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.codehaus.activemq.spring;
19
20 import org.apache.commons.logging.Log;
21 import org.apache.commons.logging.LogFactory;
22 import org.codehaus.activemq.service.Service;
23 import org.springframework.jms.core.JmsTemplate;
24
25 import javax.jms.Connection;
26 import javax.jms.ConnectionFactory;
27 import javax.jms.Destination;
28 import javax.jms.JMSException;
29 import javax.jms.Message;
30 import javax.jms.MessageConsumer;
31 import javax.jms.MessageListener;
32 import javax.jms.Session;
33
34 /***
35 * @author Mike Perham
36 * @version $Revision: 1.2 $
37 */
38 public class SpringConsumer implements Service, MessageListener {
39 private static final Log log = LogFactory.getLog(SpringConsumer.class);
40
41 private JmsTemplate template;
42 private String myId = "foo";
43 private Destination destination;
44
45 public void start() throws JMSException {
46 String selector = "next = '" + myId + "'";
47
48 try {
49 ConnectionFactory factory = template.getConnectionFactory();
50 Connection connection = factory.createConnection();
51 connection.setClientID(myId);
52 connection.start();
53
54 Session session = connection.createSession(true, Session.CLIENT_ACKNOWLEDGE);
55 MessageConsumer consumer = session.createConsumer(destination, selector, false);
56 consumer.setMessageListener(this);
57 }
58 catch (JMSException ex) {
59 log.error("", ex.getLinkedException());
60 throw ex;
61 }
62 }
63
64
65 public void stop() throws JMSException {
66 }
67
68 public void onMessage(Message message) {
69 System.out.println("Received message: " + message);
70 try {
71 message.acknowledge();
72 }
73 catch (JMSException e) {
74 log.error("Failed to acknowledge: " + e, e);
75 }
76 }
77
78
79
80 public Destination getDestination() {
81 return destination;
82 }
83
84 public void setDestination(Destination destination) {
85 this.destination = destination;
86 }
87
88 public String getMyId() {
89 return myId;
90 }
91
92 public void setMyId(String myId) {
93 this.myId = myId;
94 }
95
96 public JmsTemplate getTemplate() {
97 return template;
98 }
99
100 public void setTemplate(JmsTemplate template) {
101 this.template = template;
102 }
103 }