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Java > Open Source Codes > net > sf > jguard > ext > authentication > manager > AuthenticationManagerFactory


1 /*
2 jGuard is a security framework based on top of jaas (java authentication and authorization security).
3 it is written for web applications, to resolve simply, access control problems.
4 version $Name$
5 http://sourceforge.net/projects/jguard/
6
7 Copyright (C) 2004 Charles GAY
8
9 This library is free software; you can redistribute it and/or
10 modify it under the terms of the GNU Lesser General Public
11 License as published by the Free Software Foundation; either
12 version 2.1 of the License, or (at your option) any later version.
13
14 This library is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 Lesser General Public License for more details.
18
19 You should have received a copy of the GNU Lesser General Public
20 License along with this library; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22
23
24 jGuard project home page:
25 http://sourceforge.net/projects/jguard/
26
27 */
28 package net.sf.jguard.ext.authentication.manager;
29
30
31
32 import java.util.Map JavaDoc;
33 import java.util.logging.Logger JavaDoc;
34
35 import net.sf.jguard.ext.authentication.AuthenticationException;
36
37
38
39 /**
40  * build an AuthenticationManager implementation.
41  * @author <a HREF="mailto:diabolo512@users.sourceforge.net">Charles Gay</a>
42  */
43 public class AuthenticationManagerFactory {
44
45     private static AuthenticationManager authenticationManager;
46     private static Logger JavaDoc logger = Logger.getLogger(AuthenticationManagerFactory.class.getName());
47
48     /**
49      * Convenience method that returns the current AuthenticationManager.
50      * implementation.
51      *
52      * @return authenticationManager or<code><strong>null</strong></code> when
53      * no authenticationManager is created.
54      */
55     public static AuthenticationManager getAuthenticationManager() {
56         return authenticationManager;
57     }
58
59     /**
60      * initialize the DAO implementation.
61      * @param authenticationManagerImpl
62      * @param map
63      * @return <code>true</code> if AuthenticationManager is created successfully, <code>false</code> otherwise
64      * @throws AuthenticationException
65      */
66     public static boolean createAuthenticationManager(String JavaDoc authenticationManagerImpl,Map JavaDoc map) throws AuthenticationException{
67         if(authenticationManager!=null){
68             return false;
69         }
70            logger.info("authenticationManagerImpl="+authenticationManagerImpl);
71            if(authenticationManagerImpl==null || authenticationManagerImpl.equals("")){
72                throw new AuthenticationException(" authenticationManager implementation is null or empty "+authenticationManagerImpl);
73            }
74            try {
75
76                authenticationManager = (AuthenticationManager)Class.forName(authenticationManagerImpl).newInstance();
77                authenticationManager.init(map);
78
79             } catch (InstantiationException JavaDoc e) {
80                 System.out.println("InstantiationException DAOImpl problem"+e.getMessage());
81                 throw new AuthenticationException(" InstantiationException DAOImpl "+e.getMessage(),e);
82             } catch (IllegalAccessException JavaDoc e) {
83                 System.out.println("IllegalAccessException DAOImpl problem"+e.getMessage());
84                 throw new AuthenticationException(" IllegalAccessException DAOImpl "+e.getMessage(),e);
85             } catch (ClassNotFoundException JavaDoc e) {
86                 System.out.println("ClassNotFoundException DAOImpl problem"+e.getMessage());
87                 throw new AuthenticationException(" ClassNotFoundException DAOImpl "+e.getMessage(),e);
88             }
89             return true;
90         }
91
92     public static void setAuthenticationManager(
93             AuthenticationManager authenticationManager) {
94         AuthenticationManagerFactory.authenticationManager = authenticationManager;
95     }
96 }
97
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