| PortalGroup.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 *
5 *
6 *
7 * The contents of this file are subject to the terms of the Liferay Enterprise
8 * Subscription License ("License"). You may not use this file except in
9 * compliance with the License. You can obtain a copy of the License by
10 * contacting Liferay, Inc. See the License for the specific language governing
11 * permissions and limitations under the License, including but not limited to
12 * distribution rights 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 public class PortalGroup
42 extends PortalPrincipal implements Group, Serializable {
43
44 public PortalGroup(String groupName) {
45 super(groupName);
46 }
47
48 public boolean addMember(Principal user) {
49 if (!_members.containsKey(user)) {
50 _members.put(user, user);
51
52 return true;
53 }
54 else {
55 return false;
56 }
57 }
58
59 public boolean isMember(Principal member) {
60 boolean isMember = _members.containsKey(member);
61
62 if (!isMember) {
63 Iterator<Principal> itr = _members.values().iterator();
64
65 while (!isMember && itr.hasNext()) {
66 Principal principal = itr.next();
67
68 if (principal instanceof Group) {
69 Group group = (Group)principal;
70
71 isMember = group.isMember(member);
72 }
73 }
74 }
75
76 return isMember;
77 }
78
79 public Enumeration<Principal> members() {
80 return Collections.enumeration(_members.values());
81 }
82
83 public boolean removeMember(Principal user) {
84 Principal principal = _members.remove(user);
85
86 if (principal != null) {
87 return true;
88 }
89 else {
90 return false;
91 }
92 }
93
94 private Map<Principal, Principal> _members =
95 new HashMap<Principal, Principal>();
96
97 }