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: ConnectionHelper.java,v 1.4 2004/01/31 13:44:24 tanderson Exp $
44 */
45 package org.exolab.jmscts.core;
46
47 import javax.jms.ConnectionConsumer;
48 import javax.jms.Destination;
49 import javax.jms.JMSException;
50 import javax.jms.Queue;
51 import javax.jms.QueueConnection;
52 import javax.jms.ServerSessionPool;
53 import javax.jms.Session;
54 import javax.jms.Topic;
55 import javax.jms.TopicConnection;
56 import javax.jms.XAQueueConnection;
57 import javax.jms.XATopicConnection;
58
59
60 /***
61 * Helper for performing connection operations
62 *
63 * @version $Revision: 1.4 $ $Date: 2004/01/31 13:44:24 $
64 * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
65 */
66 public final class ConnectionHelper {
67
68 /***
69 * Prevent construction of utility class
70 */
71 private ConnectionHelper() {
72 }
73
74 /***
75 * Create a session
76 *
77 * @param context the test context
78 * @param type the message acknowledgement type
79 * @return a new session
80 * @throws JMSException if any of the JMS operations fail
81 */
82 public static Session createSession(TestContext context, AckType type)
83 throws JMSException {
84
85 if (context == null) {
86 throw new IllegalArgumentException("Argument 'context' is null");
87 }
88 if (type == null) {
89 throw new IllegalArgumentException("Argument 'type' is null");
90 }
91 if (context.getConnection() == null) {
92 throw new IllegalArgumentException(
93 "Argument 'context' is not a connection context");
94 }
95
96 Session result = null;
97 if (context.isQueueConnectionFactory()) {
98 QueueConnection connection =
99 (QueueConnection) context.getConnection();
100 result = connection.createQueueSession(type.getTransacted(),
101 type.getAcknowledgeMode());
102 } else if (context.isTopicConnectionFactory()) {
103 TopicConnection connection =
104 (TopicConnection) context.getConnection();
105 result = connection.createTopicSession(type.getTransacted(),
106 type.getAcknowledgeMode());
107 } else if (context.isXAQueueConnectionFactory()) {
108 XAQueueConnection connection =
109 (XAQueueConnection) context.getConnection();
110 result = connection.createXAQueueSession();
111 } else {
112 XATopicConnection connection =
113 (XATopicConnection) context.getConnection();
114 result = connection.createXATopicSession();
115 }
116 return result;
117 }
118
119 /***
120 * Create a session of with the same behaviour as that of the supplied
121 * context
122 *
123 * @param context the test context
124 * @return a new session
125 * @throws JMSException if any of the JMS operations fail
126 */
127 public static Session createSession(TestContext context)
128 throws JMSException {
129
130 if (context == null) {
131 throw new IllegalArgumentException("Argument 'context' is null");
132 }
133 if (context.getSession() == null) {
134 throw new IllegalArgumentException(
135 "Argument 'context' is not a session context");
136 }
137 return createSession(context, context.getAckType());
138 }
139
140 /***
141 * Create a connection consumer
142 *
143 * @param context the test context
144 * @param destination the destination to access
145 * @param name if non-null, and the connection is a TopicConnection, then
146 * a durable connection consumer will be returned, otherwise the argument
147 * is ignored.
148 * @param selector the message selector. May be <code>null</code>
149 * @param pool the server session pool to associate with the consumer
150 * @param maxMessages the maximum number of messages that can be assigned
151 * to a server session at one time
152 * @return the new connection consumer
153 * @throws JMSException if any of the JMS operations fail
154 */
155 public static ConnectionConsumer createConnectionConsumer(
156 TestContext context, Destination destination, String name,
157 String selector, ServerSessionPool pool, int maxMessages)
158 throws JMSException {
159
160 ConnectionConsumer result;
161
162 if (context == null) {
163 throw new IllegalArgumentException("Argument 'context' is null");
164 }
165 if (pool == null) {
166 throw new IllegalArgumentException("Argument 'pool' is null");
167 }
168 if (context.getConnection() == null) {
169 throw new IllegalArgumentException(
170 "Argument 'context' is not a connection context");
171 }
172
173 if (context.isQueue()) {
174 QueueConnection connection =
175 (QueueConnection) context.getConnection();
176 result = connection.createConnectionConsumer(
177 (Queue) destination, selector, pool, maxMessages);
178 } else {
179 TopicConnection connection =
180 (TopicConnection) context.getConnection();
181 if (name == null) {
182 result = connection.createConnectionConsumer(
183 (Topic) destination, selector, pool, maxMessages);
184 } else {
185 result = connection.createDurableConnectionConsumer(
186 (Topic) destination, name, selector, pool, maxMessages);
187 }
188 }
189 return result;
190 }
191
192 }
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