PermissionProvider


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.core.authorization.manager;
29  
30  import java.security.PermissionCollection  ;
31  import java.security.ProtectionDomain  ;
32  import java.util.Set  ;
33  
34  
35  /**
36   * PermissionProvider interface is base interface for AuthorizationManager.
37   * This interface is introduced to make coupling of JGuardPolicy to other
38   * classes in the framework as small as possible.  
39   * 
40   * @author <a HREF="mailto:zelfdoen@users.sourceforge.net">Theo Niemeijer</a>
41   * @author <a HREF="mailto:diabolo512@users.sourceforge.net">Charles Gay</a>
42   */
43  public interface PermissionProvider {
44  
45      /**
46       * Get permission collection.
47       *
48       * @param principals - set value for principals
49       *
50       * @return permission collection value
51       */
52      public PermissionCollection   getPermissionCollection(Set   principals,ProtectionDomain   pDomain);
53  
54      /**
55       * refresh principals and permissions data.
56       */
57      public void refresh();
58  }
59
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