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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.Converter;
import com.rapiddweller.common.HeavyweightIterator;
import com.rapiddweller.common.HeavyweightTypedIterable;
import com.rapiddweller.common.IOUtil;
import com.rapiddweller.common.iterator.ConvertingIterator;
import java.io.Closeable;
/**
* Iterable that provides {@link ConvertingIterator}s.
* Created: 28.08.2007 08:57:16
*
* @param the object type to convert from
* @param the object type to convert to
* @author Volker Bergmann
*/
public class ConvertingIterable implements HeavyweightTypedIterable {
/**
* The Iterable.
*/
protected Iterable iterable;
/**
* The Converter.
*/
protected Converter converter;
/**
* Instantiates a new Converting iterable.
*
* @param iterable the iterable
* @param converter the converter
*/
public ConvertingIterable(Iterable iterable, Converter converter) {
this.iterable = iterable;
this.converter = converter;
}
// interface -------------------------------------------------------------------------------------------------------
@Override
public Class getType() {
return converter.getTargetType();
}
@Override
public HeavyweightIterator iterator() {
return new ConvertingIterator<>(this.iterable.iterator(), converter);
}
/**
* Close.
*/
public void close() {
if (iterable instanceof Closeable) {
IOUtil.close((Closeable) iterable);
}
}
// java.lang.Object overrides --------------------------------------------------------------------------------------
@Override
public String toString() {
return getClass().getSimpleName() + '[' + iterable + " -> " + converter + ']';
}
}