View Javadoc

1   /*
2    * Copyright 2004-2009 the Seasar Foundation and the Others.
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,
13   * either express or implied. See the License for the specific language
14   * governing permissions and limitations under the License.
15   */
16  package org.seasar.cubby.converter.impl;
17  
18  import java.util.Date;
19  
20  import org.seasar.cubby.converter.ConversionException;
21  import org.seasar.cubby.converter.ConversionHelper;
22  
23  /**
24   * 任意のオブジェクトから{@link Date}への変換を行うコンバータです。
25   * <p>
26   * 変換元のオブジェクトの文字列表現をフォーマットに従って{@link Date}に変換した結果を変換先とします。
27   * </p>
28   * 
29   * @author baba
30   */
31  public class DateConverter extends AbstractDateConverter {
32  
33  	/**
34  	 * {@inheritDoc}
35  	 */
36  	public Class<?> getObjectType() {
37  		return Date.class;
38  	}
39  
40  	/**
41  	 * {@inheritDoc}
42  	 */
43  	public Object convertToObject(final Object value,
44  			final Class<?> objectType, final ConversionHelper helper)
45  			throws ConversionException {
46  		if (value == null) {
47  			return null;
48  		}
49  		final String pattern = helper.getFormatPattern().getDatePattern();
50  		return toDate(value.toString(), pattern);
51  	}
52  
53  	/**
54  	 * {@inheritDoc}
55  	 */
56  	public String convertToString(final Object value,
57  			final ConversionHelper helper) {
58  		if (value == null) {
59  			return null;
60  		}
61  		final String pattern = helper.getFormatPattern().getDatePattern();
62  		return toString((Date) value, pattern);
63  	}
64  
65  }