MillisDateConvertor


1   /*
2    * Copyright 1999-2004 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (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
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.apache.cocoon.woody.datatype.convertor;
17  
18  import java.util.Locale  ;
19  import java.util.Date  ;
20  
21  /**
22   * A Convertor for Date objects which uses the number of milliseconds since
23   * January 1, 1970, 00:00:00 GMT as string representation.
24   *
25   * @version CVS $Id: MillisDateConvertor.java 30932 2004-07-29 17:35:38Z vgritsenko $
26   */
27  public class MillisDateConvertor implements Convertor {
28      public Object   convertFromString(String   value, Locale   locale, Convertor.FormatCache formatCache) {
29          try {
30              long date = Long.parseLong(value);
31              return new Date  (date);
32          } catch (NumberFormatException   e) {
33              return null;
34          }
35      }
36  
37      public String   convertToString(Object   value, Locale   locale, Convertor.FormatCache formatCache) {
38          Date   date = (Date  )value;
39          return String.valueOf(date.getTime());
40      }
41  
42      public Class   getTypeClass() {
43          return Date  .class;
44      }
45  }
46

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