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Java > Open Source Codes > net > jforum > sso > SSOUtils


1 /*
2  * Copyright (c) Rafael Steil
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms,
6  * with or without modification, are permitted provided
7  * that the following conditions are met:
8  *
9  * 1) Redistributions of source code must retain the above
10  * copyright notice, this list of conditions and the
11  * following disclaimer.
12  * 2) Redistributions in binary form must reproduce the
13  * above copyright notice, this list of conditions and
14  * the following disclaimer in the documentation and/or
15  * other materials provided with the distribution.
16  * 3) Neither the name of "Rafael Steil" nor
17  * the names of its contributors may be used to endorse
18  * or promote products derived from this software without
19  * specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
22  * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
23  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
24  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
27  * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES
30  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
32  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
33  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
34  * IN CONTRACT, STRICT LIABILITY, OR TORT
35  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
36  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
37  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
38  *
39  * Created on Jun 2, 2005 6:56:25 PM
40  * The JForum Project
41  * http://www.jforum.net
42  */
43 package net.jforum.sso;
44
45 import net.jforum.dao.DataAccessDriver;
46 import net.jforum.dao.UserDAO;
47 import net.jforum.entities.User;
48
49 /**
50  * General utilities to use with SSO.
51  *
52  * @author Rafael Steil
53  * @version $Id: SSOUtils.java,v 1.3 2005/07/26 03:05:33 rafaelsteil Exp $
54  */
55 public class SSOUtils
56 {
57     private String JavaDoc username;
58     private boolean exists = true;
59     private User user;
60     private UserDAO dao;
61     
62     /**
63      * Checks if an user exists in the database
64      *
65      * @param username The username to check
66      * @return <code>true</code> if the user exists. If <code>false</code> is
67      * returned, then you can insert the user by calling {@link #register(String, String)}
68      * @see #register(String, String)
69      * @see #getUser()
70      * @throws Exception
71      */
72     public boolean userExists(String JavaDoc username) throws Exception JavaDoc
73     {
74         this.username = username;
75         this.dao = DataAccessDriver.getInstance().newUserDAO();
76
77         this.user = this.dao.selectByName(username);
78
79         this.exists = this.user != null;
80         
81         return this.exists;
82     }
83     
84     /**
85      * Registers a new user.
86      * This method should be used together with {@link #userExists(String)}.
87      *
88      * @param password the user's password. It <em>should</em> be the real / final
89      * password. In other words, the data passed as password is the data that'll be
90      * written to the database
91      * @param email the user's email
92      * @see #getUser()
93      * @throws Exception
94      */
95     public void register(String JavaDoc password, String JavaDoc email) throws Exception JavaDoc
96     {
97         if (this.exists) {
98             return;
99         }
100         
101         // Is a new user for us. Register him
102 this.user = new User();
103         user.setUsername(this.username);
104         user.setPassword(password);
105         user.setEmail(email);
106         user.setActive(1);
107         
108         this.dao.addNew(user);
109     }
110     
111     /**
112      * Gets the user associated to this class instance.
113      *
114      * @return the user
115      */
116     public User getUser()
117     {
118         return this.user;
119     }
120 }
121
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