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Java > Open Source Codes > net > jforum > util > preferences > QueriesFileListener


1 /*
2  * Copyright (c) 2003, Rafael Steil
3  *
4  * All rights reserved.
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 05/06/2004 14:49:22
40  * The JForum Project
41  * http://www.jforum.net
42  */
43 package net.jforum.util.preferences;
44
45 import java.io.IOException JavaDoc;
46
47 import net.jforum.util.FileChangeListener;
48
49 import org.apache.log4j.Logger;
50
51 /**
52  * @author Rafael Steil
53  * @version $Id: QueriesFileListener.java,v 1.5 2005/07/26 04:01:24 diegopires Exp $
54  */
55 public class QueriesFileListener implements FileChangeListener
56 {
57     private static final Logger logger = Logger.getLogger(QueriesFileListener.class);
58     
59     /**
60      * @see net.jforum.util.FileChangeListener#fileChanged(java.lang.String)
61      */
62     public void fileChanged(String JavaDoc filename)
63     {
64         try {
65             logger.info("Reloading "+ filename);
66             SystemGlobals.loadQueries(filename);
67             
68             String JavaDoc driverQueries = SystemGlobals.getValue(ConfigKeys.SQL_QUERIES_DRIVER);
69             
70             // Force reload of driver specific queries
71 if (!filename.equals(driverQueries)) {
72                 SystemGlobals.loadQueries(driverQueries);
73             }
74         }
75         catch (IOException JavaDoc e) {
76             logger.info(e);
77         }
78     }
79
80 }
81
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