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


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.text.ParseException JavaDoc;
26
27 /** Sets a <code>java.lang.String</code> on a query using <code>PreparedStatement.setString()</code>.
28  *
29  * @see java.sql.PreparedStatement#setString(int, java.lang.String)
30  *
31  * @author Matthew L. Wilson
32  * @version $Revision: 1.3 $ $Date: 2005/12/19 10:58:01 $
33  */
34 public class StringSetter extends AbstractSetter
35 {
36    /**
37     * @see net.mlw.vlh.adapter.jdbc.util.Setter#set(java.sql.PreparedStatement, int, java.lang.Object)
38     */
39    public int set(PreparedStatement JavaDoc query, int index, Object JavaDoc value) throws SQLException JavaDoc, ParseException JavaDoc
40    {
41       if (value == null || value instanceof String JavaDoc)
42       {
43          query.setString(index++, (String JavaDoc) value);
44          return index;
45       }
46       else
47       {
48          throw new IllegalArgumentException JavaDoc("Cannot convert object of class " + value.getClass().getName() + " to a string at position "
49                + index);
50       }
51    }
52 }
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