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Java > Open Source Codes > classic > Receiver


1 /*
2  * JORAM: Java(TM) Open Reliable Asynchronous Messaging
3  * Copyright (C) 2001 - ScalAgent Distributed Technologies
4  * Copyright (C) 1996 - Dyade
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19  * USA.
20  *
21  * Initial developer(s): Frederic Maistre (INRIA)
22  * Contributor(s):
23  */
24 package classic;
25
26 import javax.jms.*;
27 import javax.naming.*;
28
29 /**
30  * Requests messages on the queue.
31  */
32 public class Receiver
33 {
34   static Context ictx = null;
35
36   public static void main(String JavaDoc[] args) throws Exception JavaDoc
37   {
38     System.out.println();
39     System.out.println("Requests to receive messages...");
40
41     ictx = new InitialContext();
42     Queue queue = (Queue) ictx.lookup("queue");
43     QueueConnectionFactory qcf = (QueueConnectionFactory) ictx.lookup("qcf");
44     ictx.close();
45
46     QueueConnection qc = qcf.createQueueConnection();
47     QueueSession qs = qc.createQueueSession(true, 0);
48     QueueReceiver qrec = qs.createReceiver(queue);
49     Message msg;
50
51     qc.start();
52
53     int i;
54     for (i = 0; i < 10; i++) {
55       msg = qrec.receive();
56       if (msg instanceof TextMessage)
57         System.out.println("Msg received: " + ((TextMessage) msg).getText());
58       else if (msg instanceof ObjectMessage)
59         System.out.println("Msg received: "
60                            + ((ObjectMessage) msg).getObject());
61       else
62         System.out.println("Msg received: " + msg);
63     }
64
65     qs.commit();
66
67     System.out.println();
68     System.out.println(i + " messages received.");
69
70     qc.close();
71   }
72 }
73
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