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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 2001,2003 (C) Exoffice Technologies Inc. All Rights Reserved.
42   *
43   * $Id: JmsDestinationFactory.java,v 1.1 2004/11/26 01:50:40 tanderson Exp $
44   *
45   * Date         Author  Changes
46   * 06/14/2001   jima    Created
47   */
48  package org.exolab.jms.client;
49  
50  
51  import java.util.Hashtable;
52  
53  import javax.naming.Context;
54  import javax.naming.Name;
55  import javax.naming.Reference;
56  import javax.naming.StringRefAddr;
57  import javax.naming.spi.ObjectFactory;
58  
59  
60  /***
61   * This factory object implements the ObjectFactory interface and is used
62   * to resolve a reference to an administered destination. This is part
63   * of our JNDI support.
64   * <p>
65   * All {@link JmsDestination} objects support the java.naming.Referenceable
66   * interface and make explicit reference to this factory
67   *
68   * @version     $Revision: 1.1 $ $Date: 2004/11/26 01:50:40 $
69   * @author      <a href="mailto:jima@exoffice.com">Jim Alateras</a>
70   * @see         JmsTopic
71   * @see         JmsQueue
72   */
73  public class JmsDestinationFactory
74      implements ObjectFactory {
75  
76      // implementation of ObjectFactory.getObjectInstance
77      public Object getObjectInstance(Object object, Name name, Context context,
78                                      Hashtable env) throws Exception {
79  
80          Object result = null;
81  
82          if (object instanceof Reference) {
83              Reference ref = (Reference) object;
84              String className = ref.getClassName();
85              StringRefAddr nameref = (StringRefAddr) ref.get("name");
86              StringRefAddr persistref = (StringRefAddr) ref.get("persistent");
87  
88              if (nameref != null && persistref != null) {
89                  String destination = (String) nameref.getContent();
90                  String persist = (String) persistref.getContent();
91  
92                  if (className.equals(JmsQueue.class.getName())) {
93                      JmsQueue queue = new JmsQueue(destination);
94                      queue.setPersistent(new Boolean(persist).booleanValue());
95                      result = queue;
96                  } else if (className.equals(JmsTopic.class.getName())) {
97                      JmsTopic topic = new JmsTopic(destination);
98                      topic.setPersistent(new Boolean(persist).booleanValue());
99                      result = topic;
100                 } else {
101                     throw new Exception(
102                         "This factory cannot create objects of type "
103                         + className);
104                 }
105             }
106         }
107 
108         return result;
109     }
110 }