UserIdPrincipal xref

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1   /*
2    * Copyright 2000-2001,2004 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.apache.jetspeed.om.security;
18  
19  
20  /***
21   * A Principal based on the user id.
22   *
23   * @author <a href="mailto:taylor@apache.org">David Sean Taylor</a>
24   * @version $Id: UserIdPrincipal.java,v 1.3 2004/02/23 03:14:12 jford Exp $
25   */
26  public class UserIdPrincipal implements java.security.Principal
27  {
28      private final String userId;
29  
30      public UserIdPrincipal(String userId)
31      {
32          this.userId = userId;   
33      }
34  
35      /***
36       * Compares this principal to the specified object.  Returns true
37       * if the object passed in matches the principal represented by
38       * the implementation of this interface.
39       *
40       * @param another principal to compare with.
41       *
42       * @return true if the principal passed in is the same as that
43       * encapsulated by this principal, and false otherwise.
44  
45       */
46      public boolean equals(Object another)
47      {
48          if (!(another instanceof UserIdPrincipal))
49              return false;
50          UserIdPrincipal principal = (UserIdPrincipal)another;
51          return this.getName().equals(principal.getName());
52      }
53  
54      /***
55       * Returns a string representation of this principal.
56       *
57       * @return a string representation of this principal.
58       */
59      public String toString()
60      {
61          return this.userId;
62      }
63  
64  
65      /***
66       * Returns the name of this principal.
67       *
68       * @return the name of this principal.
69       */
70      public String getName()
71      {
72          return this.userId;
73      }
74  
75  }
76  
77