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.hibernate.util.setter;
22
23 import java.text.ParseException;
24
25 import net.sf.hibernate.HibernateException;
26 import net.sf.hibernate.Query;
27
28 import org.apache.commons.logging.Log;
29 import org.apache.commons.logging.LogFactory;
30
31 /*** Sets a <code>java.lang.Long</code> on a <code>Query</code>. Conversion from a string is provided using <code>Long.parseLong()</code>.
32 *
33 * @author Matthew L. Wilson
34 * @version $Revision: 1.5 $ $Date: 2005/12/19 12:22:30 $
35 */
36 public class LongSetter extends AbstractSetter
37 {
38
39 /***
40 * Logger for this class
41 */
42 private static final Log LOGGER = LogFactory.getLog(LongSetter.class);
43
44 /***
45 * @see net.mlw.vlh.adapter.hibernate.util.Setter#set(Query, String, Object)
46 */
47 public void set(Query query, String key, Object value) throws HibernateException, ParseException
48 {
49 if (value instanceof Long)
50 {
51 if (LOGGER.isInfoEnabled())
52 {
53 LOGGER.info("The key='" + key + "'s value is instance of a Long, now is converting to long.");
54 }
55 query.setLong(key, ((Long) value).longValue());
56 }
57 else if (value instanceof String)
58 {
59 if (LOGGER.isInfoEnabled())
60 {
61 LOGGER.info("The key='" + key + "'s value is instance of a String, now is parsing to long.");
62 }
63 long longValue = Long.parseLong((String) value);
64 query.setLong(key, longValue);
65 }
66 else if (value == null)
67 {
68 if (LOGGER.isInfoEnabled())
69 {
70 LOGGER.info("The key='" + key + "'s value is null.");
71 }
72 query.setParameter(key, null);
73 }
74 else
75 {
76 throw new IllegalArgumentException("Cannot convert value of class " + value.getClass().getName() + " to long (key=" + key + ")");
77 }
78 }
79 }