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 tma@netspace.net.au.
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 2001-2004 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: ChainedMessagePopulator.java,v 1.3 2004/01/31 13:44:24 tanderson Exp $
44 */
45 package org.exolab.jmscts.core;
46
47 import javax.jms.Message;
48
49
50 /***
51 * A helper class for populating messages by invoking a sequence of other
52 * message populators.
53 *
54 * @version $Revision: 1.3 $ $Date: 2004/01/31 13:44:24 $
55 * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
56 */
57 public class ChainedMessagePopulator implements MessagePopulator {
58
59 /***
60 * The list of message populators
61 */
62 private MessagePopulator[] _populators = null;
63
64
65 /***
66 * Construct an instance with the list of populators to invoke
67 *
68 * @param populators the message populator
69 */
70 public ChainedMessagePopulator(MessagePopulator[] populators) {
71 if (populators == null) {
72 throw new IllegalArgumentException("Argument populators is null");
73 }
74 _populators = populators;
75 }
76
77 /***
78 * Populate a message with data. This method delegates population to
79 * each populator in the order they were supplied at construction.
80 *
81 * @param message the message to populate
82 * @throws Exception for any error
83 */
84 public void populate(Message message) throws Exception {
85 for (int i = 0; i < _populators.length; ++i) {
86 _populators[i].populate(message);
87 }
88 }
89
90 }
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