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'rapiddweller Common' is an open source Java library
forked from Databene Commons by Volker Bergmann.
It provides extensions to the Java core library by utility classes, abstract concepts
and concrete implementations.
/*
* Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
* All rights reserved.
*
* 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 com.rapiddweller.common.converter;
import com.rapiddweller.common.ConversionException;
import com.rapiddweller.common.Converter;
/**
* Aggregates other (sub) converters and implements conversion by subsequent invocation of the sub converters,
* each converting the result of the preceding converter.
* Created: 13.05.2005 17:43:04
*
* @param the object type to convert from
* @param the object type to convert to
* @author Volker Bergmann
* @since 0.1
*/
@SuppressWarnings({"unchecked", "rawtypes"})
public class ConverterChain extends MultiConverterWrapper implements Converter {
/**
* Instantiates a new Converter chain.
*
* @param components the components
*/
public ConverterChain(Converter... components) {
super(components);
}
// Converter interface implementation ------------------------------------------------------------------------------
@Override
public Class getSourceType() {
return (components.length > 0 ? components[0].getSourceType() : (Class) Object.class);
}
@Override
public Class getTargetType() {
return (components.length > 0 ? components[components.length - 1].getTargetType() : (Class) Object.class);
}
@Override
public T convert(Object source) throws ConversionException {
Object tmp = source;
for (Converter converter : components) {
tmp = converter.convert(tmp);
}
return (T) tmp;
}
}