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.hibernate3.util.setter;
21
22 import java.text.ParseException;
23 import java.util.Calendar;
24
25 import org.apache.commons.logging.Log;
26 import org.apache.commons.logging.LogFactory;
27 import org.hibernate.HibernateException;
28 import org.hibernate.Query;
29
30 /***
31 * @author Stepan Marek
32 * @version $Revision: 1.2 $ $Date: 2005/11/03 18:08:51 $
33 */
34 public class CalendarSetter extends AbstractSetter
35 {
36 /***
37 * Logger for this class
38 */
39 private static final Log LOGGER = LogFactory.getLog(CalendarSetter.class);
40
41 /***
42 * <ol>
43 * <li>If is filter value instance of the Calendar, it will set it directly
44 * to query. </li>
45 * <li>If is filter value instance of String, it try to convert it it to long and set to Calendar instance</li>
46 * <li>If is filter value instance of Long, it try to convert it it to long and set to Calendar instance</li>
47 * <li>Otherwise it will set null to query for key.</li>
48 * </ol>
49 *
50 * @see net.mlw.vlh.adapter.hibernate3.util.Setter#set(org.hibernate.Query,
51 * java.lang.String, java.lang.Object)
52 */
53 public void set(Query query, String key, Object value) throws HibernateException, ParseException
54 {
55
56 Calendar calendar = null;
57
58 if (value instanceof String)
59 {
60 calendar = Calendar.getInstance();
61 try
62 {
63 calendar.setTimeInMillis(Long.valueOf((String) value).longValue());
64 if (LOGGER.isDebugEnabled())
65 {
66 LOGGER.debug("The key's='" + key + "' String value='" + value + "' was converted to Calendar.");
67 }
68 }
69 catch (NumberFormatException e)
70 {
71 if (LOGGER.isWarnEnabled())
72 {
73 LOGGER.warn("The key's='" + key + "' String value='" + value + "' was not converted to Calendar, error was:"
74 + e.getMessage());
75 }
76 throw e;
77 }
78 }
79 else if (value instanceof Long)
80 {
81 calendar = Calendar.getInstance();
82 calendar.setTimeInMillis(((Long) value).longValue());
83 if (LOGGER.isDebugEnabled())
84 {
85 LOGGER.debug("The key's='" + key + "' Long value='" + value + "' was converted to Calendar.");
86 }
87 }
88 else if (value instanceof Calendar)
89 {
90 calendar = (Calendar) value;
91 }
92 else if (value == null)
93 {
94 if (LOGGER.isInfoEnabled())
95 {
96 LOGGER.info("The key='" + key + "'s value is null.");
97 }
98 }
99 else
100 {
101 if (LOGGER.isWarnEnabled())
102 {
103 LOGGER.warn("The key's='" + key + "' value='" + value + "' was expected as Calendar.");
104 }
105 throw new IllegalArgumentException("Cannot convert value of class " + value.getClass().getName() + " to calendar (key=" + key
106 + ")");
107 }
108
109 query.setCalendar(key, calendar);
110
111 if (LOGGER.isInfoEnabled())
112 {
113 LOGGER.info("The key='" + key + "' was set to the query as Calendar='" + calendar + "'.");
114 }
115 }
116 }