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Java > Open Source Codes > mail > Consumer


1 /*
2  * JORAM: Java(TM) Open Reliable Asynchronous Messaging
3  * Copyright (C) 2003 - 2006 ScalAgent Distributed Technologies
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
18  * USA.
19  *
20  * Initial developer(s): ScalAgent Distributed Technologies
21  * Contributor(s):
22  */
23 package mail;
24
25 import javax.jms.*;
26 import javax.naming.*;
27
28 /**
29  * Consumes messages from the queue and from the topic.
30  */
31 public class Consumer {
32   static Context ictx = null;
33
34   public static void main(String JavaDoc[] args) throws Exception JavaDoc {
35     System.out.println("Trace1");
36
37     ictx = new InitialContext();
38     Queue queue = (Queue) ictx.lookup("mailQueue");
39     ConnectionFactory cf = (ConnectionFactory) ictx.lookup("cf");
40     ictx.close();
41
42     System.out.println("Trace2");
43
44     Connection cnx = cf.createConnection();
45     Session sess = cnx.createSession(false, Session.AUTO_ACKNOWLEDGE);
46     MessageConsumer cons = sess.createConsumer(queue);
47
48     System.out.println("Listens to the MailQueue...");
49     System.out.println("hit a key to stop.");
50
51     cons.setMessageListener(new MsgListener("Queue listener"));
52
53     cnx.start();
54
55     System.in.read();
56     cnx.close();
57
58     System.out.println("Consumer closed.");
59   }
60 }
61
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