MemoryUsersRolesLoginModule


1   /*
2    * JBoss, Home of Professional Open Source
3    *
4    * Distributable under LGPL license.
5    * See terms of license at gnu.org.
6    */
7   
8   package org.jboss.security.auth.spi;
9   
10  import java.io.IOException  ;
11  import java.util.Properties  ;
12  import java.util.Map  ;
13  import javax.security.auth.Subject  ;
14  import javax.security.auth.callback.CallbackHandler  ;
15  
16  /**
17   * A subclass of UsersRolesLoginModule that uses a singleton instance and
18   * memory based users/roles Properties maps to manage user/password and
19   * user/role mappings. These maps need to be specified via the login module
20   * options.
21   * 
22   * @author Scott.Stark@jboss.org
23   * @version $Revision: 1.1 $
24   */
25  public class MemoryUsersRolesLoginModule extends UsersRolesLoginModule
26  {
27     private Properties   users;
28     private Properties   roles;
29  
30     /**
31      * Override the UsersRolesLoginModule initialize to look for a users
32      * and roles options specifying the
33      * 
34      * @param subject
35      * @param callbackHandler
36      * @param sharedState
37      * @param options
38      */ 
39     public void initialize(Subject   subject, CallbackHandler   callbackHandler,
40        Map   sharedState, Map   options)
41     {
42        // First extract the users/roles Properties from the options
43        this.users = (Properties  ) options.get("users");
44        this.roles = (Properties  ) options.get("roles");
45        // Now initialize the superclass which will invoke createUsers/createRoles
46        super.initialize(subject, callbackHandler, sharedState, options);
47     }
48  
49     /**
50      * Provide the users map obtained during initialize
51      * @return the users login module option value
52      */ 
53     protected Properties   createUsers(Map   options)
54     {
55        return users;
56     }
57  
58     /**
59      * Provide the users map obtained during initialize
60      * @return the users login module option value
61      */ 
62     protected Properties   createRoles(Map   options) throws IOException  
63     {
64        return roles;
65     }
66  }
67
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