1 /**
2 *
3 * Copyright 2004 The Apache Software Foundation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.geronimo.security;
19
20 import java.io.Serializable;
21 import java.security.Principal;
22
23
24 /**
25 * @version $Rev: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
26 */
27 public class IdentificationPrincipal implements Principal, Serializable {
28 private final SubjectId id;
29 private transient String name;
30
31 public IdentificationPrincipal(SubjectId id) {
32 this.id = id;
33 }
34
35 public SubjectId getId() {
36 return id;
37 }
38
39 /**
40 * Compares this principal to the specified object. Returns true
41 * if the object passed in matches the principal represented by
42 * the implementation of this interface.
43 *
44 * @param another principal to compare with.
45 * @return true if the principal passed in is the same as that
46 * encapsulated by this principal, and false otherwise.
47 */
48 public boolean equals(Object another) {
49 if (!(another instanceof IdentificationPrincipal)) return false;
50
51 IdentificationPrincipal idPrincipal = (IdentificationPrincipal) another;
52
53 return id.equals(idPrincipal.id);
54 }
55
56 /**
57 * Returns a string representation of this principal.
58 *
59 * @return a string representation of this principal.
60 */
61 public String toString() {
62 return getName();
63 }
64
65 /**
66 * Returns a hashcode for this principal.
67 *
68 * @return a hashcode for this principal.
69 */
70 public int hashCode() {
71 return getName().hashCode();
72 }
73
74 /**
75 * Returns the name of this principal.
76 *
77 * @return the name of this principal.
78 */
79 public String getName() {
80 if (name == null) {
81
82 StringBuffer buffer = new StringBuffer("");
83 buffer.append(getClass().getName());
84 buffer.append("[");
85 buffer.append(id);
86 buffer.append("]");
87
88 name = buffer.toString();
89 }
90 return name;
91 }
92 }