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Java > Open Source Codes > org > exolab > jms > server > AdminConnectionManager


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 2000-2005 (C) Exoffice Technologies Inc. All Rights Reserved.
42  */
43 package org.exolab.jms.server;
44
45 import javax.jms.JMSException JavaDoc;
46 import javax.jms.JMSSecurityException JavaDoc;
47
48 import org.apache.commons.logging.Log;
49 import org.apache.commons.logging.LogFactory;
50
51 import org.exolab.jms.authentication.AuthenticationMgr;
52 import org.exolab.jms.server.AdminConnection;
53
54 /**
55  * <code>AdminConnectionManager</code> is responsible for creating
56  * authenticated {@link AdminConnection} instances
57  *
58  * The connection manager is a singleton (at this point anyway)
59  * that is accessible through the instance class method. It is also responsible
60  * for holding a list of adminconnections.
61  *
62  * @version $Revision: 1.2 $ $Date: 2005/03/18 04:07:02 $
63  * @author <a HREF="mailto:knut@lerpold.no">Knut Lerpold</a>
64  * @author <a HREF="mailto:tma@netspace.net.au">Tim Anderson</a>
65  * @see AdminConnection
66  */
67 public class AdminConnectionManager {
68
69     /**
70      * The singleton instance
71      */
72     private static AdminConnectionManager _instance =
73         new AdminConnectionManager();
74
75     /**
76      * Construct a new <code>AdminConnectionManager</code>.
77      */
78     private AdminConnectionManager() {
79     }
80
81     /**
82      * Returns the singleton instance of this class
83      *
84      * @return the singleton isntance
85      */
86     public static AdminConnectionManager instance() {
87         return _instance;
88     }
89
90     /**
91      * Create a new admin connection
92      *
93      * @param username the client's username
94      * @param password the client's password
95      * @return a new admin connection
96      * @throws JMSSecurityException if the client cannot be authenticated
97      * @throws JMSException if the connection cannot be created
98      */
99     public AdminConnection createConnection(String JavaDoc username, String JavaDoc password)
100         throws JMSSecurityException JavaDoc, JMSException JavaDoc {
101
102         if (!AuthenticationMgr.instance().validateUser(username, password)) {
103             throw new JMSSecurityException JavaDoc("Failed to authenticate user "
104                 + username);
105         }
106
107         return new AdminConnection();
108     }
109
110 }
111
112
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