01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source 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, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: * Free SoftwareFoundation, Inc.
23: * 59 Temple Place, Suite 330
24: * Boston, MA 02111-1307 USA
25: *
26: * @author Scott Ferguson
27: */
28:
29: package com.caucho.server.security;
30:
31: import com.caucho.security.BasicPrincipal;
32:
33: import java.util.ArrayList;
34:
35: /**
36: * Principal which caches the roles.
37: */
38: public class CachingPrincipal extends BasicPrincipal {
39: private ArrayList<String> _roles;
40:
41: /**
42: * Zero-arg constructor for serialization.
43: */
44: public CachingPrincipal() {
45: }
46:
47: /**
48: * Creates a new caching principal.
49: */
50: public CachingPrincipal(String name) {
51: super (name);
52: }
53:
54: /**
55: * Returns the boolean for the role.
56: *
57: * @return null if the role status is unknown
58: */
59: public Boolean isInRole(String role) {
60: if (_roles == null)
61: return null;
62: else if (_roles.indexOf(role) >= 0)
63: return Boolean.TRUE;
64: else
65: return Boolean.FALSE;
66: }
67:
68: /**
69: * Sets the boolean for the role.
70: */
71: public void addRole(String role) {
72: if (_roles == null)
73: _roles = new ArrayList<String>();
74:
75: if (!_roles.contains(role))
76: _roles.add(role);
77: }
78: }
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