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Java > Open Source Codes > net > jforum > dao > generic > GenericUserSessionDAO


1 /*
2  * Copyright (c) 2003, 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 30/05/2004 15:10:57
40  * The JForum Project
41  * http://www.jforum.net
42  */
43 package net.jforum.dao.generic;
44
45 import java.sql.Connection JavaDoc;
46 import java.sql.PreparedStatement JavaDoc;
47 import java.sql.ResultSet JavaDoc;
48 import java.sql.Timestamp JavaDoc;
49
50 import net.jforum.entities.UserSession;
51 import net.jforum.util.preferences.SystemGlobals;
52
53 /**
54  * @author Rafael Steil
55  * @version $Id: GenericUserSessionDAO.java,v 1.4 2005/07/26 03:04:46 rafaelsteil Exp $
56  */
57 public class GenericUserSessionDAO implements net.jforum.dao.UserSessionDAO
58 {
59     /**
60      * @see net.jforum.dao.UserSessionDAO#add(net.jforum.entities.UserSession, java.sql.Connection)
61      */
62     public void add(UserSession us, Connection JavaDoc conn) throws Exception JavaDoc
63     {
64         this.add(us, conn, false);
65     }
66     
67     private void add(UserSession us, Connection JavaDoc conn, boolean checked) throws Exception JavaDoc
68     {
69         if (!checked && this.selectById(us, conn) != null) {
70             return;
71         }
72         
73         PreparedStatement JavaDoc p = conn.prepareStatement(SystemGlobals.getSql("UserSessionModel.add"));
74         p.setString(1, us.getSessionId());
75         p.setInt(2, us.getUserId());
76         p.setTimestamp(3, new Timestamp JavaDoc(us.getStartTime().getTime()));
77         
78         p.executeUpdate();
79         p.close();
80     }
81
82     /**
83      * @see net.jforum.dao.UserSessionDAO#update(net.jforum.entities.UserSession, java.sql.Connection)
84      */
85     public void update(UserSession us, Connection JavaDoc conn) throws Exception JavaDoc
86     {
87         if (this.selectById(us, conn) == null) {
88             this.add(us, conn, true);
89             return;
90         }
91         
92         PreparedStatement JavaDoc p = conn.prepareStatement(SystemGlobals.getSql("UserSessionModel.update"));
93         p.setTimestamp(1, new Timestamp JavaDoc(us.getStartTime().getTime()));
94         p.setLong(2, us.getSessionTime());
95         p.setString(3, us.getSessionId());
96         p.setInt(4, us.getUserId());
97         
98         p.executeUpdate();
99         p.close();
100     }
101
102     /**
103      * @see net.jforum.dao.UserSessionDAO#selectById(net.jforum.entities.UserSession, java.sql.Connection)
104      */
105     public UserSession selectById(UserSession us, Connection JavaDoc conn) throws Exception JavaDoc
106     {
107         PreparedStatement JavaDoc p = conn.prepareStatement(SystemGlobals.getSql("UserSessionModel.selectById"));
108         p.setInt(1, us.getUserId());
109         
110         ResultSet JavaDoc rs = p.executeQuery();
111         boolean found = false;
112         
113         UserSession returnUs = new UserSession(us);
114         
115         if (rs.next()) {
116             returnUs.setSessionTime(rs.getLong("session_time"));
117             returnUs.setStartTime(rs.getTimestamp("session_start"));
118             found = true;
119         }
120         
121         rs.close();
122         p.close();
123         
124         return (found ? returnUs : null);
125     }
126
127 }
128
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