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1   /**
2    * This file is part of the equanda project.
3    *
4    * The contents of this file are subject to the Mozilla Public License Version 1.1 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at http://www.mozilla.org/MPL/
7    *
8    * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF
9    * ANY KIND, either express or implied. See the License for the specific language governing rights and
10   * limitations under the License.
11   *
12   * Alternatively, the contents of this file may be used under the terms of
13   * either the GNU General Public License Version 2 or later (the "GPL"), or
14   * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
15   * in which case the provisions of the GPL or the LGPL are applicable instead
16   * of those above. If you wish to allow use of your version of this file only
17   * under the terms of either the GPL or the LGPL, and not to allow others to
18   * use your version of this file under the terms of the MPL, indicate your
19   * decision by deleting the provisions above and replace them with the notice
20   * and other provisions required by the GPL or the LGPL. If you do not delete
21   * the provisions above, a recipient may use your version of this file under
22   * the terms of any one of the MPL, the GPL or the LGPL.
23   */
24  
25  package org.equanda.tapestry5.translators;
26  
27  import org.apache.tapestry5.Translator;
28  import org.apache.tapestry5.ValidationException;
29  import org.apache.tapestry5.ioc.Messages;
30  
31  import java.sql.Timestamp;
32  
33  /**
34   * Tapestry translator for Timestamp values.
35   *
36   * @author <a href="mailto:joachim@progs.be">Joachim Van der Auwera</a>
37   */
38  public class TimestampTranslator
39      implements Translator<Timestamp>
40  {
41      /**
42       * Parses blank values to null, otherwise parses the client value to a Timestamp
43       *
44       * @throws ValidationException if the clientValue can not be parsed
45       */
46      public Timestamp parseClient( String clientValue, Messages messages )
47          throws ValidationException
48      {
49          if ( clientValue == null || clientValue.length() == 0 ) return null;
50          clientValue = clientValue.trim();
51          if ( clientValue.length() == 0 ) return null;
52  
53          try
54          {
55              return new Timestamp( Timestamp.parse( clientValue.trim() ) );
56          }
57          catch ( NumberFormatException ex )
58          {
59              throw new ValidationException( messages.format( "number-format-exception", clientValue ) );
60          }
61      }
62  
63      /**
64       * Converts null to the blank string, non-null to a string representation.
65       */
66      public String toClient( Timestamp value )
67      {
68          return value == null ? "" : value.toString();
69      }
70  
71      public Class<Timestamp> getType() { return Timestamp.class; }
72  }