KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > mr > api > jms > MessageListenerAdapter


1 /*
2  * Copyright 2002 by
3  * <a HREF="http://www.coridan.com">Coridan</a>
4  * <a HREF="mailto: support@coridan.com ">support@coridan.com</a>
5  *
6  * The contents of this file are subject to the Mozilla Public License Version
7  * 1.1 (the "License"); you may not use this file except in compliance with the
8  * License. You may obtain a copy of the License at
9  * http://www.mozilla.org/MPL/
10  *
11  * Software distributed under the License is distributed on an "AS IS" basis,
12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13  * for the specific language governing rights and limitations under the
14  * License.
15  *
16  * The Original Code is "MantaRay" (TM).
17  *
18  * The Initial Developer of the Original Code is Nimo.
19  * Portions created by the Initial Developer are Copyright (C) 2006
20  * Coridan Inc. All Rights Reserved.
21  *
22  * Contributor(s): all the names of the contributors are added in the source
23  * code where applicable.
24  *
25  * Alternatively, the contents of this file may be used under the terms of the
26  * LGPL license (the "GNU LESSER GENERAL PUBLIC LICENSE"), in which case the
27  * provisions of LGPL are applicable instead of those above. If you wish to
28  * allow use of your version of this file only under the terms of the LGPL
29  * License and not to allow others to use your version of this file under
30  * the MPL, indicate your decision by deleting the provisions above and
31  * replace them with the notice and other provisions required by the LGPL.
32  * If you do not delete the provisions above, a recipient may use your version
33  * of this file under either the MPL or the GNU LESSER GENERAL PUBLIC LICENSE.
34  
35  *
36  * This library is free software; you can redistribute it and/or modify it
37  * under the terms of the MPL as stated above or under the terms of the GNU
38  * Lesser General Public License as published by the Free Software Foundation;
39  * either version 2.1 of the License, or any later version.
40  *
41  * This library is distributed in the hope that it will be useful, but WITHOUT
42  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
43  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
44  * License for more details.
45  */
46 package org.mr.api.jms;
47
48 import javax.jms.Message JavaDoc;
49 import javax.jms.MessageListener JavaDoc;
50
51 import org.mr.IMessageListener;
52 import org.mr.core.protocol.MantaBusMessage;
53
54 /**
55  * This class is a MessageListener adapter used by the JMS API of Mantaray
56  * to transfer messages between an application and the listener.
57  *
58  * @version 1.0
59  * @since Jan 20, 2004
60  * @author Nimo
61  *
62  */
63 public class MessageListenerAdapter implements IMessageListener{
64     
65     public void setMessageListener(MessageListener JavaDoc messageListener){
66         theMessageListener = messageListener;
67     }//setMessageListener
68
69     public MessageListener JavaDoc getMessageListener(){
70         return theMessageListener;
71     }//getMessageListener
72
73     /**
74      * Passes a message to the listener.
75      *
76      * @param message the message passed to the listener
77      */
78     public void onMessage(MantaBusMessage message) {
79
80         if (message != null) {
81             //assert message.getHeader(MantaBusMessageConsts.HEADER_NAME_PAYLOAD_TYPE).equals(MantaBusMessageConsts.PAYLOAD_TYPE_JMS) : ",Payload is not a JMS message.";
82 theMessageListener.onMessage((Message JavaDoc)(message.getPayload()));
83         }//if
84 }//onMessage
85
86     private MessageListener JavaDoc theMessageListener = null;
87 }//MessageListenerAdapter
88
Popular Tags