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Java > Open Source Codes > org > springframework > beans > SimpleTypeConverter


1 /*
2  * Copyright 2002-2006 the original author or authors.
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 package org.springframework.beans;
18
19 import org.springframework.core.MethodParameter;
20
21 /**
22  * Simple implementation of the TypeConverter interface that does not operate
23  * on any specific target object. This is an alternative to using a full-blown
24  * BeanWrapperImpl instance for arbitrary type conversion needs.
25  *
26  * @author Juergen Hoeller
27  * @since 2.0
28  * @see BeanWrapperImpl
29  */
30 public class SimpleTypeConverter extends PropertyEditorRegistrySupport implements TypeConverter {
31
32     private final TypeConverterDelegate typeConverterDelegate = new TypeConverterDelegate(this);
33
34
35     public SimpleTypeConverter() {
36         registerDefaultEditors();
37     }
38
39
40     public Object JavaDoc convertIfNecessary(Object JavaDoc value, Class JavaDoc requiredType) throws TypeMismatchException {
41         return convertIfNecessary(value, requiredType, null);
42     }
43
44     public Object JavaDoc convertIfNecessary(
45             Object JavaDoc value, Class JavaDoc requiredType, MethodParameter methodParam) throws TypeMismatchException {
46         try {
47             return this.typeConverterDelegate.convertIfNecessary(value, requiredType, methodParam);
48         }
49         catch (IllegalArgumentException JavaDoc ex) {
50             throw new TypeMismatchException(value, requiredType, ex);
51         }
52     }
53
54 }
55
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