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 2001-2005 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: JmsConnectionFactoryBuilder.java,v 1.2 2005/03/18 03:36:37 tanderson Exp $
44 */
45 package org.exolab.jms.client;
46
47 import java.util.Enumeration;
48 import java.util.HashMap;
49 import java.util.Hashtable;
50 import javax.naming.Context;
51 import javax.naming.Name;
52 import javax.naming.Reference;
53 import javax.naming.StringRefAddr;
54 import javax.naming.spi.ObjectFactory;
55
56
57 /***
58 * Implementation of the {@link ObjectFactory} interface that creates {@link
59 * JmsConnectionFactory} instances given a corresponding {@link Reference}
60 *
61 * @author <a href="mailto:jima@comware.com.au">Jim Alateras</a>
62 * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
63 * @version $Revision: 1.2 $ $Date: 2005/03/18 03:36:37 $
64 * @see JmsConnectionFactory
65 * @see JmsXAConnectionFactory
66 */
67 public class JmsConnectionFactoryBuilder
68 implements ObjectFactory {
69
70 /***
71 * Creates an object using the location or reference information specified.
72 * This only constructs
73 *
74 * @param object the object containing location or reference
75 * information that can be used in creating an object.
76 * May be <code>null</code>
77 * @param name the name of this object relative to <code>context</code>,
78 * or <code>null</code> if no name is specified.
79 * @param context the context relative to which the <code>name</code>
80 * parameter is specified, or <code>null</code> if
81 * <code>name</code> is relative to the default initial
82 * context.
83 * @param environment the environment used in creating the object. May be
84 * <code>null</code>
85 * @return the object created oird <code>null</code> if an object can't be
86 * created.
87 * @throws Exception if this object factory encountered an exception while
88 * attempting to create an object, and no other object
89 * factories are to be tried.
90 */
91 public Object getObjectInstance(Object object, Name name, Context context,
92 Hashtable environment) throws Exception {
93 Object result = null;
94
95 if (object instanceof Reference) {
96 Reference ref = (Reference) object;
97 String clazz = ref.getClassName();
98
99 if (clazz.equals(JmsConnectionFactory.class.getName())
100 || clazz.equals(JmsXAConnectionFactory.class.getName())) {
101
102 StringRefAddr serverClass =
103 (StringRefAddr) ref.get("serverClass");
104 String serverClassName = (String) serverClass.getContent();
105
106
107
108
109 HashMap properties = new HashMap();
110 Enumeration iter = ref.getAll();
111 while (iter.hasMoreElements()) {
112 StringRefAddr addr = (StringRefAddr) iter.nextElement();
113 properties.put(addr.getType(), addr.getContent());
114 }
115
116
117 if (clazz.equals(JmsConnectionFactory.class.getName())) {
118 result = new JmsConnectionFactory(serverClassName,
119 properties, environment);
120 } else {
121 result = new JmsXAConnectionFactory(serverClassName,
122 properties,
123 environment);
124 }
125 }
126 }
127 return result;
128 }
129 }
130