Source code: org/apache/commons/beanutils/converters/StringConverter.java
1 /*
2 * Copyright 2001-2004 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
17
18 package org.apache.commons.beanutils.converters;
19
20
21 import org.apache.commons.beanutils.ConversionException;
22 import org.apache.commons.beanutils.Converter;
23
24
25 /**
26 * <p>Standard {@link Converter} implementation that converts an incoming
27 * String into a <code>java.lang.String</code> object, optionally using a
28 * default value or throwing a {@link ConversionException} if a conversion
29 * error occurs.</p>
30 *
31 * @author Craig R. McClanahan
32 * @version $Revision: 1.5 $ $Date: 2004/02/28 13:18:34 $
33 * @since 1.3
34 */
35
36 public final class StringConverter implements Converter {
37
38
39 // --------------------------------------------------------- Public Methods
40
41
42 /**
43 * Convert the specified input object into an output object of the
44 * specified type.
45 *
46 * @param type Data type to which this value should be converted
47 * @param value The input value to be converted
48 *
49 * @exception ConversionException if conversion cannot be performed
50 * successfully
51 */
52 public Object convert(Class type, Object value) {
53
54 if (value == null) {
55 return ((String) null);
56 } else {
57 return (value.toString());
58 }
59
60 }
61
62
63 }