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'Databene Formats' is an open source software library for supporting
data file and other formats like CSV, fixed width files, XLS, Properties and Regex.
It is designed for multithreaded use and high performance.
/*
* Copyright (C) 2011-2014 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.formats.util;
import java.io.Closeable;
import org.databene.commons.Converter;
import org.databene.commons.IOUtil;
import org.databene.formats.DataIterator;
import org.databene.formats.DataSource;
/**
* {@link DataSource} proxy which applies a {@link Converter} to the source's data.
* Created: 24.07.2011 10:06:31
* @since 0.6.0
* @author Volker Bergmann
*/
public class ConvertingDataSource extends DataSourceAdapter {
protected Converter converter;
public ConvertingDataSource(DataSource source, Converter converter) {
super(source, converter.getTargetType());
this.converter = converter;
}
@Override
public Class getType() {
return converter.getTargetType();
}
@Override
public DataIterator iterator() {
return new ConvertingDataIterator(source.iterator(), converter);
}
@Override
public void close() {
if (converter instanceof Closeable)
IOUtil.close((Closeable) converter);
super.close();
}
@Override
public String toString() {
return getClass().getSimpleName() + '[' + source + " -> " + converter + ']';
}
}