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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.hibernate3.util.setter;
22  
23  import java.text.ParseException;
24  import java.text.SimpleDateFormat;
25  import java.util.Date;
26  
27  import org.apache.commons.logging.Log;
28  import org.apache.commons.logging.LogFactory;
29  import org.hibernate.HibernateException;
30  import org.hibernate.Query;
31  
32  /***
33   * @author Matthew L. Wilson
34   * @version $Revision: 1.3 $ $Date: 2005/12/19 12:22:26 $
35   */
36  public class TimestampSetter extends AbstractSetter
37  {
38     /***
39      * Logger for this class
40      */
41     private static final Log LOGGER = LogFactory.getLog(TimestampSetter.class);
42  
43     public static final String DEFAULT_FORMAT = "MM/dd/yyyy HH:mm:ss";
44  
45     private SimpleDateFormat formatter = new SimpleDateFormat(DEFAULT_FORMAT);
46  
47     /***
48      * @see net.mlw.vlh.adapter.hibernate3.util.Setter#set(Query, String, Object)
49      */
50     public void set(Query query, String key, Object value) throws HibernateException, ParseException
51     {
52        Date date = null;
53        if (value instanceof String)
54        {
55           if (LOGGER.isInfoEnabled())
56           {
57              LOGGER.info("The key='" + key + "'s value is instance of a String, now is parsing to date.");
58           }
59           date = formatter.parse((String) value);
60        }
61        else if (value instanceof Date)
62        {
63           date = (Date) value;
64        }
65        else if (value == null)
66        {
67           if (LOGGER.isInfoEnabled())
68           {
69              LOGGER.info("The key='" + key + "'s value is null.");
70           }
71        }
72        else
73        {
74           if (LOGGER.isWarnEnabled())
75           {
76              LOGGER.warn("The key's='" + key + "' value='" + value + "' was expected as Date or String parseable to Date.");
77           }
78           throw new IllegalArgumentException("Cannot convert value of class " + value.getClass().getName() + " to timestamp (key=" + key
79                 + ")");
80        }
81  
82        if (LOGGER.isInfoEnabled())
83        {
84           LOGGER.info("The key='" + key + "' was set to the query as Timestamp with the value date='" + date + "'.");
85        }
86  
87        query.setTimestamp(key, date);
88     }
89  
90     /***
91      * @param format The format to set.
92      */
93     public void setFormat(String format)
94     {
95        formatter = new SimpleDateFormat(format);
96     }
97  }