KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > net > mlw > vlh > adapter > jdbc > util > setter > Hibernate20CalendarSetter


1 /**
2  * Copyright (c) 2003 held jointly by the individual authors.
3  *
4  * This library is free software; you can redistribute it and/or modify it under
5  * the terms of the GNU Lesser General Public License as published by the Free
6  * Software Foundation; either version 2.1 of the License, or (at your option)
7  * any later version.
8  *
9  * This library is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
12  * for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public License
15  * along with this library; if not, write to the Free Software Foundation, Inc.,
16  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. >
17  * http://www.gnu.org/copyleft/lesser.html >
18  * http://www.opensource.org/licenses/lgpl-license.php
19  */
20 package net.mlw.vlh.adapter.jdbc.util.setter;
21
22 import java.sql.PreparedStatement JavaDoc;
23 import java.sql.SQLException JavaDoc;
24 import java.sql.Timestamp JavaDoc;
25 import java.text.ParseException JavaDoc;
26 import java.util.Calendar JavaDoc;
27
28 import org.apache.commons.logging.Log;
29 import org.apache.commons.logging.LogFactory;
30
31 /**
32  * Sets a <code>Calendar</code> using a <code>java.sql.Timestamp</code> on a
33  * <code>Query</code>. This could be usefull when you are using hibernate
34  * mapping and accesing directly via jdbc.
35  *
36  * @author Andrej Zachar
37  * @version $Revision: 1.3 $ $Date: 2005/12/19 10:56:41 $
38  */
39 public class Hibernate20CalendarSetter extends AbstractSetter
40 {
41    /**
42     * Logger for this class
43     */
44    private static final Log LOGGER = LogFactory.getLog(Hibernate20CalendarSetter.class);
45
46    /**
47     * <ol>
48     * <li>If filter value is instance of the Calendar, it will set it directly
49     * to <code>PreparedStatement</code> query. </li>
50     * <li>Otherwise it will set new Timestamp(with actual time) to query for
51     * key.</li>
52     * </ol>
53     *
54     * @see net.mlw.util.sql.StatementBuilder.Setter#set(java.sql.PreparedStatement,
55     * int, java.lang.Object)
56     */
57    public int set(PreparedStatement JavaDoc query, int index, Object JavaDoc value) throws SQLException JavaDoc, ParseException JavaDoc
58    {
59       long timeInMillis = 0;
60       if (value instanceof Calendar JavaDoc)
61       {
62          timeInMillis = ((Calendar JavaDoc) value).getTimeInMillis();
63       }
64       else
65       {
66          if (LOGGER.isWarnEnabled())
67          {
68             LOGGER.warn("The key's index's='" + index + "' value='" + value + "' was expected as Calendar. Using actual time.");
69          }
70          timeInMillis = Calendar.getInstance().getTimeInMillis();
71       }
72
73       query.setTimestamp(index++, new Timestamp JavaDoc(timeInMillis));
74       return index;
75    }
76 }
Popular Tags