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Java > Open Source Codes > org > apache > servicemix > jbi > security > UserPrincipal


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. 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 package org.apache.servicemix.jbi.security;
18
19 import java.security.Principal JavaDoc;
20
21
22 /**
23  *
24  */
25 public class UserPrincipal implements Principal JavaDoc {
26
27     private final String JavaDoc name;
28     private transient int hash;
29
30     public UserPrincipal(String JavaDoc name) {
31         if (name == null) throw new IllegalArgumentException JavaDoc("name cannot be null");
32         this.name = name;
33     }
34
35     public String JavaDoc getName() {
36         return name;
37     }
38
39     public boolean equals(Object JavaDoc o) {
40         if (this == o) return true;
41         if (o == null || getClass() != o.getClass()) return false;
42
43         final UserPrincipal that = (UserPrincipal) o;
44
45         if (!name.equals(that.name)) return false;
46
47         return true;
48     }
49
50     public int hashCode() {
51         if (hash == 0) {
52             hash = name.hashCode();
53         }
54         return hash;
55     }
56
57     public String JavaDoc toString() {
58         return name;
59     }
60 }
61
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