1 //
2 // ========================================================================
3 // Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
8 //
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
11 //
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
14 //
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
17 //
18
19 package org.eclipse.jetty.jaas;
20
21 import java.security.Principal;
22 import java.security.acl.Group;
23 import java.util.Enumeration;
24 import java.util.HashSet;
25 import java.util.Iterator;
26
27
28 public class JAASGroup implements Group
29 {
30 public static final String ROLES = "__roles__";
31
32 private String _name = null;
33 private HashSet<Principal> _members = null;
34
35
36
37 public JAASGroup(String n)
38 {
39 this._name = n;
40 this._members = new HashSet<Principal>();
41 }
42
43 /* ------------------------------------------------------------ */
44 /**
45 *
46 * @param principal <description>
47 * @return <description>
48 */
49 public synchronized boolean addMember(Principal principal)
50 {
51 return _members.add(principal);
52 }
53
54 /**
55 *
56 * @param principal <description>
57 * @return <description>
58 */
59 public synchronized boolean removeMember(Principal principal)
60 {
61 return _members.remove(principal);
62 }
63
64 /**
65 *
66 * @param principal <description>
67 * @return <description>
68 */
69 public boolean isMember(Principal principal)
70 {
71 return _members.contains(principal);
72 }
73
74
75
76 /**
77 *
78 * @return <description>
79 */
80 public Enumeration<? extends Principal> members()
81 {
82
83 class MembersEnumeration implements Enumeration<Principal>
84 {
85 private Iterator<? extends Principal> itor;
86
87 public MembersEnumeration (Iterator<? extends Principal> itor)
88 {
89 this.itor = itor;
90 }
91
92 public boolean hasMoreElements ()
93 {
94 return this.itor.hasNext();
95 }
96
97
98 public Principal nextElement ()
99 {
100 return this.itor.next();
101 }
102
103 }
104
105 return new MembersEnumeration (_members.iterator());
106 }
107
108
109 /**
110 *
111 * @return <description>
112 */
113 public int hashCode()
114 {
115 return getName().hashCode();
116 }
117
118
119
120 /**
121 *
122 * @param object <description>
123 * @return <description>
124 */
125 public boolean equals(Object object)
126 {
127 if (! (object instanceof JAASGroup))
128 return false;
129
130 return ((JAASGroup)object).getName().equals(getName());
131 }
132
133 /**
134 *
135 * @return <description>
136 */
137 public String toString()
138 {
139 return getName();
140 }
141
142 /**
143 *
144 * @return <description>
145 */
146 public String getName()
147 {
148
149 return _name;
150 }
151
152 }