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'databene commons' is an open source Java library 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 org.databene.commons.converter;
import java.io.Closeable;
import org.databene.commons.Converter;
import org.databene.commons.HeavyweightIterator;
import org.databene.commons.HeavyweightTypedIterable;
import org.databene.commons.IOUtil;
import org.databene.commons.iterator.ConvertingIterator;
/**
* 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 {
protected Iterable iterable;
protected Converter 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);
}
public void close() {
if (iterable instanceof Closeable)
IOUtil.close((Closeable) iterable);
}
// java.lang.Object overrides --------------------------------------------------------------------------------------
@Override
public String toString() {
return getClass().getSimpleName() + '[' + iterable + " -> " + converter + ']';
}
}