/*
* Copyright 2002-2010 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.beans;
import org.springframework.core.MethodParameter;
import org.springframework.core.convert.ConversionException;
import org.springframework.core.convert.ConverterNotFoundException;
/**
* Simple implementation of the TypeConverter interface that does not operate
* on any specific target object. This is an alternative to using a full-blown
* BeanWrapperImpl instance for arbitrary type conversion needs.
*
* @author Juergen Hoeller
* @since 2.0
* @see BeanWrapperImpl
*/
public class SimpleTypeConverter extends PropertyEditorRegistrySupport implements TypeConverter {
private final TypeConverterDelegate typeConverterDelegate = new TypeConverterDelegate(this);
public SimpleTypeConverter() {
registerDefaultEditors();
}
public <T> T convertIfNecessary(Object value, Class<T> requiredType) throws TypeMismatchException {
return convertIfNecessary(value, requiredType, null);
}
public <T> T convertIfNecessary(
Object value, Class<T> requiredType, MethodParameter methodParam) throws TypeMismatchException {
try {
return this.typeConverterDelegate.convertIfNecessary(value, requiredType, methodParam);
}
catch (ConverterNotFoundException ex) {
throw new ConversionNotSupportedException(value, requiredType, ex);
}
catch (ConversionException ex) {
throw new TypeMismatchException(value, requiredType, ex);
}
catch (IllegalStateException ex) {
throw new ConversionNotSupportedException(value, requiredType, ex);
}
catch (IllegalArgumentException ex) {
throw new TypeMismatchException(value, requiredType, ex);
}
}
}
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