| PortalGroup.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portal.kernel.security.jaas;
24
25 import java.io.Serializable;
26
27 import java.security.Principal;
28 import java.security.acl.Group;
29
30 import java.util.Collections;
31 import java.util.Enumeration;
32 import java.util.HashMap;
33 import java.util.Iterator;
34 import java.util.Map;
35
36 /**
37 * <a href="PortalGroup.java.html"><b><i>View Source</i></b></a>
38 *
39 * @author Brian Wing Shun Chan
40 *
41 */
42 public class PortalGroup
43 extends PortalPrincipal implements Group, Serializable {
44
45 public PortalGroup(String groupName) {
46 super(groupName);
47 }
48
49 public boolean addMember(Principal user) {
50 if (!_members.containsKey(user)) {
51 _members.put(user, user);
52
53 return true;
54 }
55 else {
56 return false;
57 }
58 }
59
60 public boolean isMember(Principal member) {
61 boolean isMember = _members.containsKey(member);
62
63 if (!isMember) {
64 Iterator<Principal> itr = _members.values().iterator();
65
66 while (!isMember && itr.hasNext()) {
67 Principal principal = itr.next();
68
69 if (principal instanceof Group) {
70 Group group = (Group)principal;
71
72 isMember = group.isMember(member);
73 }
74 }
75 }
76
77 return isMember;
78 }
79
80 public Enumeration<Principal> members() {
81 return Collections.enumeration(_members.values());
82 }
83
84 public boolean removeMember(Principal user) {
85 Principal principal = _members.remove(user);
86
87 if (principal != null) {
88 return true;
89 }
90 else {
91 return false;
92 }
93 }
94
95 private Map<Principal, Principal> _members =
96 new HashMap<Principal, Principal>();
97
98 }