KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > SimpleReceiver


1 /*
2  * @(#) SimpleReceiver.java
3  *
4  * JOTM: Java Open Transaction Manager
5  *
6  *
7  * This module was orginally developed by
8  *
9  * - INRIA (www.inria.fr)inside the ObjectWeb Consortium
10  * (http://www.objectweb.org)
11  *
12  * --------------------------------------------------------------------------
13  * The original code and portions created by INRIA are
14  * Copyright (c) 2002 INRIA
15  * All rights reserved.
16  *
17  * Redistribution and use in source and binary forms, with or without
18  * modification, are permitted provided that the following conditions are met:
19  *
20  * -Redistributions of source code must retain the above copyright notice, this
21  * list of conditions and the following disclaimer.
22  *
23  * -Redistributions in binary form must reproduce the above copyright notice,
24  * this list of conditions and the following disclaimer in the documentation
25  * and/or other materials provided with the distribution.
26  *
27  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
28  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
31  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37  * POSSIBILITY OF SUCH DAMAGE.
38  *
39  *-----------------------------------------------------------------------------
40  * $Id: SimpleReceiver.java,v 1.3 2003/12/05 20:07:06 trentshue Exp $
41  *-----------------------------------------------------------------------------
42  */
43
44 import javax.jms.*;
45 import javax.naming.InitialContext JavaDoc;
46 import javax.naming.Context JavaDoc;
47 import javax.naming.NamingException JavaDoc;
48
49 /**
50  * Created on Mar 4, 2002
51  * @author Christophe Ney - cney@batisseurs.com
52  */
53 public class SimpleReceiver extends Thread JavaDoc {
54
55     public void run() {
56
57         try {
58             // Use JNDI to find the connection factory and the destination
59 Context JavaDoc ctx = new InitialContext JavaDoc();
60             QueueConnectionFactory factory = (QueueConnectionFactory) ctx.lookup("theQueueConnectionFactory");
61             Queue queue = (Queue) ctx.lookup("theQueue");
62
63             // create a connection, session, sender, and the message QueueConnection conn;
64 QueueConnection connection = factory.createQueueConnection();
65             QueueSession session = connection.createQueueSession (false, Session.AUTO_ACKNOWLEDGE);
66             QueueReceiver receiver = session.createReceiver(queue);
67
68             // start up the connection, send the message
69 connection.start();
70             TextMessage msg = null;
71             try {
72                 while (true) {
73                     msg = (TextMessage)receiver.receive();
74                     System.out.println("[SimpleReceiver] received: "+msg.getText());
75                     if (msg.getText().startsWith("LAST ")) break;
76                 }
77             } catch (JMSException e) {
78                 System.err.println("Exception thrown by receive :"+e.getMessage());
79             } catch (ClassCastException JavaDoc e) {
80                 System.err.println("Received an unknown message of type :"+msg.getClass().getName());
81             }
82             connection.stop();
83
84             // now close all resources to ensure that native resources are released
85 receiver.close();
86             session.close();
87             connection.close();
88         } catch (Exception JavaDoc e) {
89             System.err.println("Exception thrown from SimpleSender "+e.getMessage());
90             e.printStackTrace();
91         }
92     }
93
94 }
95
Popular Tags