KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > mr > kernel > security > SessionID


1 /*
2  * Copyright 2002 by
3  * <a HREF="http://www.coridan.com">Coridan</a>
4  * <a HREF="mailto: support@coridan.com ">support@coridan.com</a>
5  *
6  * The contents of this file are subject to the Mozilla Public License Version
7  * 1.1 (the "License"); you may not use this file except in compliance with the
8  * License. You may obtain a copy of the License at
9  * http://www.mozilla.org/MPL/
10  *
11  * Software distributed under the License is distributed on an "AS IS" basis,
12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13  * for the specific language governing rights and limitations under the
14  * License.
15  *
16  * The Original Code is "MantaRay" (TM).
17  *
18  * The Initial Developer of the Original Code is Shirley Sasson.
19  * Portions created by the Initial Developer are Copyright (C) 2006
20  * Coridan Inc. All Rights Reserved.
21  *
22  * Contributor(s): all the names of the contributors are added in the source
23  * code where applicable.
24  *
25  * Alternatively, the contents of this file may be used under the terms of the
26  * LGPL license (the "GNU LESSER GENERAL PUBLIC LICENSE"), in which case the
27  * provisions of LGPL are applicable instead of those above. If you wish to
28  * allow use of your version of this file only under the terms of the LGPL
29  * License and not to allow others to use your version of this file under
30  * the MPL, indicate your decision by deleting the provisions above and
31  * replace them with the notice and other provisions required by the LGPL.
32  * If you do not delete the provisions above, a recipient may use your version
33  * of this file under either the MPL or the GNU LESSER GENERAL PUBLIC LICENSE.
34  
35  *
36  * This library is free software; you can redistribute it and/or modify it
37  * under the terms of the MPL as stated above or under the terms of the GNU
38  * Lesser General Public License as published by the Free Software Foundation;
39  * either version 2.1 of the License, or any later version.
40  *
41  * This library is distributed in the hope that it will be useful, but WITHOUT
42  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
43  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
44  * License for more details.
45  */
46
47 package org.mr.kernel.security;
48
49 import org.mr.core.util.UUID;
50
51 /**
52  * Session identification that is created for each authenticated user.
53  * Holds a unique generated long number.
54  *
55  * @version 1.0
56  * @since Mar 9, 2006
57  * @author Shirley Sasson
58  *
59  */
60 public class SessionID {
61     private UUID _id;
62
63     /**
64      * Constructs a new instance of SessionID.
65      *
66      */
67     public SessionID(){
68         _id = createID();
69     }
70
71     /**
72      * Compares the specified Object with this SessionID for equality.
73      * Returns true if the given object is also a SessionID and the two SessionID
74      * instances hold the same long value.
75      *
76      * @param obj - the Object to compare to
77      * @return true if the Object passed in represents the same SessionID as this one, false otherwise.
78      */
79     public boolean equals(Object JavaDoc obj){
80         if (!(obj instanceof SessionID))
81             return false;
82         SessionID other = (SessionID) obj;
83         return (_id == other._id);
84     }
85
86     /**
87      * Return a hash code for this SessionID.
88      *
89      * @return a hash code for this SessionID
90      * @see java.lang.Object#equals(Object)
91      */
92     public int hashCode(){
93         return _id.hashCode();
94     }
95
96     /**
97      * Returns a string representation of this MantaPrincipal.
98      *
99      * @return a string representation of this MantaPrincipal.
100      */
101     public String JavaDoc toString(){
102         return _id.toString();
103     }
104
105     private UUID createID(){
106         return UUID.randomUUID();
107     }
108 }
109
Popular Tags