1 /***
2 * Redistribution and use of this software and associated documentation
3 * ("Software"), with or without modification, are permitted provided
4 * that the following conditions are met:
5 *
6 * 1. Redistributions of source code must retain copyright
7 * statements and notices. Redistributions must also contain a
8 * copy of this document.
9 *
10 * 2. Redistributions in binary form must reproduce the
11 * above copyright notice, this list of conditions and the
12 * following disclaimer in the documentation and/or other
13 * materials provided with the distribution.
14 *
15 * 3. The name "Exolab" must not be used to endorse or promote
16 * products derived from this Software without prior written
17 * permission of Exoffice Technologies. For written permission,
18 * please contact info@exolab.org.
19 *
20 * 4. Products derived from this Software may not be called "Exolab"
21 * nor may "Exolab" appear in their names without prior written
22 * permission of Exoffice Technologies. Exolab is a registered
23 * trademark of Exoffice Technologies.
24 *
25 * 5. Due credit should be given to the Exolab Project
26 * (http://www.exolab.org/).
27 *
28 * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
32 * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39 * OF THE POSSIBILITY OF SUCH DAMAGE.
40 *
41 * Copyright 2003 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: AbstractMessageConverter.java,v 1.1 2004/11/26 01:50:42 tanderson Exp $
44 */
45
46 package org.exolab.jms.message;
47
48 import java.util.Enumeration;
49
50 import javax.jms.Destination;
51 import javax.jms.JMSException;
52 import javax.jms.Message;
53
54 import org.exolab.jms.client.JmsDestination;
55
56
57 /***
58 * Convert messages to OpenJMS implementations
59 *
60 * @version $Revision: 1.1 $ $Date: 2004/11/26 01:50:42 $
61 * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
62 * @see MessageConverterFactory
63 */
64 abstract class AbstractMessageConverter implements MessageConverter {
65
66 /***
67 * Convert a message to its corresponding OpenJMS implementation
68 *
69 * @param message the message to convert
70 * @return the converted message
71 * @throws JMSException for any error
72 */
73 public Message convert(Message message) throws JMSException {
74 Message result = create();
75 populate(message, result);
76 return result;
77 }
78
79 /***
80 * Construct an OpenJMS implementation of a message
81 *
82 * @return the OpenJMS implementation of the message
83 * @throws JMSException if the message cannot be created
84 */
85 protected abstract Message create() throws JMSException;
86
87 /***
88 * Populate an OpenJMS message from another message of the same type
89 *
90 * @param source the message to convert
91 * @param target the message to populate
92 * @throws JMSException for any error
93 */
94 protected void populate(Message source, Message target)
95 throws JMSException {
96
97 target.setJMSMessageID(source.getJMSMessageID());
98 target.setJMSDestination(source.getJMSDestination());
99 target.setJMSTimestamp(source.getJMSTimestamp());
100 target.setJMSPriority(source.getJMSPriority());
101 target.setJMSExpiration(source.getJMSExpiration());
102 target.setJMSDeliveryMode(source.getJMSDeliveryMode());
103 target.setJMSCorrelationID(source.getJMSCorrelationID());
104 target.setJMSType(source.getJMSType());
105
106 Destination replyTo = source.getJMSReplyTo();
107 if (replyTo instanceof JmsDestination) {
108 target.setJMSReplyTo(replyTo);
109 }
110
111
112 Enumeration iterator = source.getPropertyNames();
113 while (iterator.hasMoreElements()) {
114 String name = (String) iterator.nextElement();
115 if (!name.startsWith("JMSX") || name.equals("JMSXGroupID")
116 || name.equals("JMSXGroupSeq")) {
117
118
119 Object value = (Object) source.getObjectProperty(name);
120 target.setObjectProperty(name, value);
121 }
122 }
123 }
124
125 }