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 2005 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: MessageHandlerFactory.java,v 1.1 2005/09/04 07:07:12 tanderson Exp $
44 */
45 package org.exolab.jms.tools.migration.proxy;
46
47 import java.sql.Connection;
48 import javax.jms.BytesMessage;
49 import javax.jms.MapMessage;
50 import javax.jms.Message;
51 import javax.jms.ObjectMessage;
52 import javax.jms.StreamMessage;
53 import javax.jms.TextMessage;
54
55
56 /***
57 * Factory for {@link MessageHandler} instances.
58 *
59 * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
60 * @version $Revision: 1.1 $ $Date: 2005/09/04 07:07:12 $
61 */
62 class MessageHandlerFactory {
63
64 /***
65 * Create a new <code>MessageHandler</code> for a message.
66 *
67 * @param message the message
68 * @param destinations the destination store
69 * @param connection the database connection
70 * @return a new handler
71 */
72 public static MessageHandler create(Message message,
73 DestinationStore destinations,
74 Connection connection) {
75 MessageHandler result;
76
77 if (message instanceof BytesMessage) {
78 result = new BytesMessageHandler(destinations, connection);
79 } else if (message instanceof MapMessage) {
80 result = new MapMessageHandler(destinations, connection);
81 } else if (message instanceof ObjectMessage) {
82 result = new ObjectMessageHandler(destinations, connection);
83 } else if (message instanceof StreamMessage) {
84 result = new StreamMessageHandler(destinations, connection);
85 } else if (message instanceof TextMessage) {
86 result = new TextMessageHandler(destinations, connection);
87 } else {
88 result = new DefaultMessageHandler(destinations, connection);
89 }
90 return result;
91 }
92
93 /***
94 * Create a new <code>MessageHandler</code> given a message type.
95 *
96 * @param type the fully qualified message class name
97 * @param destinations the destination store
98 * @param connection the database connection
99 * @return a new handler
100 */
101 public static MessageHandler create(String type,
102 DestinationStore destinations,
103 Connection connection) {
104 AbstractMessageHandler result = null;
105
106 if (type.equals(Message.class.getName())) {
107 result = new DefaultMessageHandler(destinations, connection);
108 } else if (type.equals(BytesMessage.class.getName())) {
109 result = new BytesMessageHandler(destinations, connection);
110 } else if (type.equals(MapMessage.class.getName())) {
111 result = new MapMessageHandler(destinations, connection);
112 } else if (type.equals(ObjectMessage.class.getName())) {
113 result = new ObjectMessageHandler(destinations, connection);
114 } else if (type.equals(StreamMessage.class.getName())) {
115 result = new StreamMessageHandler(destinations, connection);
116 } else if (type.equals(TextMessage.class.getName())) {
117 result = new TextMessageHandler(destinations, connection);
118 }
119 return result;
120 }
121
122 }