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Java > Open Source Codes > echo2example > chatserver > User


1 /*
2  * This file is part of the Echo Web Application Framework (hereinafter "Echo").
3  * Copyright (C) 2002-2005 NextApp, Inc.
4  *
5  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6  *
7  * The contents of this file are subject to the Mozilla Public License Version
8  * 1.1 (the "License"); you may not use this file except in compliance with
9  * the License. You may obtain a copy of the License at
10  * http://www.mozilla.org/MPL/
11  *
12  * Software distributed under the License is distributed on an "AS IS" basis,
13  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14  * for the specific language governing rights and limitations under the
15  * License.
16  *
17  * Alternatively, the contents of this file may be used under the terms of
18  * either the GNU General Public License Version 2 or later (the "GPL"), or
19  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
20  * in which case the provisions of the GPL or the LGPL are applicable instead
21  * of those above. If you wish to allow use of your version of this file only
22  * under the terms of either the GPL or the LGPL, and not to allow others to
23  * use your version of this file under the terms of the MPL, indicate your
24  * decision by deleting the provisions above and replace them with the notice
25  * and other provisions required by the GPL or the LGPL. If you do not delete
26  * the provisions above, a recipient may use your version of this file under
27  * the terms of any one of the MPL, the GPL or the LGPL.
28  */
29
30 package echo2example.chatserver;
31
32 /**
33  * A representation of a chat user.
34  */
35 public class User {
36
37     private String JavaDoc name;
38     private String JavaDoc authToken;
39     private long lastActionTime;
40     
41     /**
42      * Creates a new <code>User</code> with the specified name.
43      *
44      * @param name the name of the user
45      */
46     public User(String JavaDoc name) {
47         this.name = name;
48         authToken = Long.toString(((long) (Math.random() * Long.MAX_VALUE)), 36);
49         touch();
50     }
51     
52     /**
53      * Validates an authentication token against the user's authentication
54      * token.
55      *
56      * @param authToken the token to validate
57      * @return true if the token is valid
58      */
59     public boolean authenticate(String JavaDoc authToken) {
60         return this.authToken.equals(authToken);
61     }
62     
63     /**
64      * Returns the user's authentication token.
65      *
66      * @return the token
67      */
68     public String JavaDoc getAuthToken() {
69         return authToken;
70     }
71     
72     /**
73      * Returns the time of the user's last action.
74      *
75      * @return the time
76      */
77     public long getLastActionTime() {
78         return lastActionTime;
79     }
80     
81     /**
82      * Returns the user's name.
83      *
84      * @return the user's name
85      */
86     public String JavaDoc getName() {
87         return name;
88     }
89     
90     /**
91      * Updates the time of the user's last action.
92      */
93     public void touch() {
94         lastActionTime = System.currentTimeMillis();
95     }
96 }
97
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