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 2003 (C) Exoffice Technologies Inc. All Rights Reserved.
42 */
43
44 package org.exolab.jms.authentication;
45
46
47 import org.exolab.core.service.BasicService;
48 import org.exolab.core.service.ServiceException;
49
50
51 /***
52 * This is the active authentication component within the JMS server.
53 *
54 * @version $Revision: 1.3 $ $Date: 2003/08/07 13:32:48 $
55 * @author <a href="mailto:knut@lerpold">Knut Lerpold</a>
56 */
57 public class AuthenticationMgr extends BasicService {
58
59 /***
60 * The user manager
61 */
62 private UserManager _users;
63
64 /***
65 * The service name of the authentication manager
66 */
67 private static final String AM_SERVICE_NAME = "AuthenticationManager";
68
69 /***
70 * The singleton instance of the authentication manager.
71 */
72 private static volatile AuthenticationMgr _instance;
73
74
75 /***
76 * Construct a new <code>AuthenticationManager</code>
77 *
78 * @throws ServiceException if the service cannot be initialised
79 */
80 private AuthenticationMgr() throws ServiceException {
81 super(AM_SERVICE_NAME);
82 _users = new UserManager();
83 }
84
85 /***
86 * Create and return an instance of the singleton.
87 *
88 * @return the singleton instance
89 * @throws ServiceException if the service cannot be created
90 */
91 public static AuthenticationMgr createInstance() throws ServiceException {
92 _instance = new AuthenticationMgr();
93 return _instance;
94 }
95
96 /***
97 * Return an instance to the AuthenticationMgr singleton. This method
98 * assumes that the singleton has already been created with a call to
99 * {@link #createInstance}
100 *
101 * @return the singleton instance
102 */
103 public static AuthenticationMgr instance() {
104 return _instance;
105 }
106
107
108 public void run() {
109
110 }
111
112
113 public void stop() throws ServiceException {
114
115 _users.destroy();
116
117
118 _instance = null;
119 }
120
121 /***
122 * Create a user.
123 *
124 * @param user the user to create
125 * @return <code>true</code> if the user is created
126 * otherwise <code>false</code>
127 */
128 public boolean addUser(User user) {
129 return _users.createUser(user);
130 }
131
132 /***
133 * Remove this user
134 *
135 * @param user the user to remove
136 * @return <code>true</code> if the user is removed
137 * otherwise <code>false</code>
138 */
139 public boolean removeUser(User user) {
140 return _users.deleteUser(user);
141 }
142
143 /***
144 * Gets a user.
145 *
146 * @param user the user
147 * @return User
148 */
149 public User getUser(User user) {
150 return _users.getUser(user);
151 }
152
153 /***
154 * Update a user.
155 *
156 * @param user the user to update
157 * @return <code>true</code> if the password is updated
158 * otherwise <code>false</code>
159 */
160 public boolean updateUser(User user) {
161 return _users.updateUser(user);
162 }
163
164 /***
165 * Validate the password for the specified user.
166 *
167 * @param username the user's name
168 * @param password the password to check
169 * @return <code>true</code> if the username and password exist, otherwise
170 * <code>false</code>
171 */
172 public boolean validateUser(String username, String password) {
173 return _users.validateUser(username, password);
174 }
175
176 }