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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 1999 (C) Exoffice Technologies Inc. All Rights Reserved.
42   *
43   * $Id: JmsTopicConnectionFactory.java,v 1.15 2003/08/07 13:32:51 tanderson Exp $
44   *
45   * Date         Author  Changes
46   * 3/21/2000    jima    Created
47   */
48  package org.exolab.jms.client;
49  
50  import java.io.Externalizable;
51  import java.io.IOException;
52  import java.io.ObjectInput;
53  import java.io.ObjectOutput;
54  import java.util.Hashtable;
55  
56  import javax.jms.JMSException;
57  import javax.jms.TopicConnection;
58  import javax.jms.TopicConnectionFactory;
59  import javax.naming.Referenceable;
60  
61  import org.exolab.jms.util.UUID;
62  
63  
64  /***
65   * This class is responsible for managing all TopicConnection instances. It
66   * maintains no sta
67   *
68  
69   * @version     $Revision: 1.15 $ $Date: 2003/08/07 13:32:51 $
70   * @author      <a href="mailto:jima@exoffice.com">Jim Alateras</a>
71   * @see         javax.jms.TopicConnection
72   **/
73  public class JmsTopicConnectionFactory
74      extends JmsConnectionFactory
75      implements TopicConnectionFactory, Externalizable, Referenceable {
76  
77      /***
78       * Used for serialization
79       */
80      static final long serialVersionUID = 1;
81  
82  
83      /***
84       * Need a default constructor so that it can be support externalization
85       */
86      public JmsTopicConnectionFactory() {
87      }
88  
89      /***
90       * Instantiate an instance of the topic connection factory with the name
91       * of the class that will facilitate communication with the JmsServer
92       *
93       * @param       name            name of the class
94       * @param       env             environment variables
95       */
96      public JmsTopicConnectionFactory(String name, Hashtable env) {
97          super(name, env);
98      }
99  
100     // implementation of TopicConnectionFactory.createTopicConnection()
101     public TopicConnection createTopicConnection()
102         throws JMSException {
103         return this.createTopicConnection(null, null);
104     }
105 
106     // implementation of TopicConnectionFactory.createTopicConnection(String...
107     public TopicConnection createTopicConnection(String userName,
108                                                  String password) throws JMSException {
109 
110         // generate an id and then create a connection with the specified id.
111         // Once the connection has been created register it with the factory.
112         String id = UUID.next();
113         JmsTopicConnection connection = new JmsTopicConnection(
114             this, id, userName, password);
115         addConnection(connection);
116         return connection;
117     }
118 
119     // implementation of Externalizable.writeExternal
120     public void writeExternal(ObjectOutput stream)
121         throws IOException {
122         stream.writeLong(serialVersionUID);
123         super.writeExternal(stream);
124     }
125 
126     // implementation of Externalizable.readExternal
127     public void readExternal(ObjectInput stream)
128         throws IOException, ClassNotFoundException {
129         long version = stream.readLong();
130         if (version == serialVersionUID) {
131             super.readExternal(stream);
132         } else {
133             throw new IOException("JmsTopicConnectionFactory with version " +
134                 version + " is not supported.");
135         }
136     }
137 }