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


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
5  * under the terms of the GNU Lesser General Public License as published
6  * by the Free Software Foundation; either version 2.1 of the License, or
7  * (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; with out even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU Lesser General Public License 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,
16  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
17  *
18  * > http://www.gnu.org/copyleft/lesser.html
19  * > http://www.opensource.org/licenses/lgpl-license.php
20  */
21 package net.mlw.vlh.adapter.jdbc.util.setter;
22
23 import java.sql.PreparedStatement JavaDoc;
24 import java.sql.SQLException JavaDoc;
25 import java.sql.Types JavaDoc;
26 import java.text.ParseException JavaDoc;
27
28 /** Sets a <code>java.sql.Types.BIGINT</code> on a query using <code>PreparedStatement.setLong()</code>.
29  * Conversion is provided from <code>java.lang.Long</code>. Conversion from a string is provided using method <code>Long.parseLong()</code>.
30  *
31  * @see PreparedStatement#setLong(int, long)
32  *
33  * @author Matthew L. Wilson
34  * @version $Revision: 1.3 $ $Date: 2005/12/19 10:58:01 $
35  */
36 public class LongSetter extends AbstractSetter
37 {
38    /**
39     * @see net.mlw.vlh.adapter.jdbc.util.Setter#set(java.sql.PreparedStatement, int, java.lang.Object)
40     */
41    public int set(PreparedStatement JavaDoc query, int index, Object JavaDoc value) throws SQLException JavaDoc, ParseException JavaDoc
42    {
43       if (value instanceof Long JavaDoc)
44       {
45          query.setLong(index++, ((Long JavaDoc) value).longValue());
46       }
47       else if (value instanceof String JavaDoc)
48       {
49          long longValue = Long.parseLong((String JavaDoc) value);
50          query.setLong(index++, longValue);
51       }
52       else if (value == null)
53       {
54          query.setNull(index++, Types.BIGINT);
55       }
56       else
57       {
58          throw new IllegalArgumentException JavaDoc("Cannot convert value of class " + value.getClass().getName() + " to long at position " + index);
59       }
60       return index;
61    }
62 }
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