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/**
* Arara, the cool TeX automation tool
* Copyright (c) 2012 -- 2019, Paulo Roberto Massa Cereda
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the project's author nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package com.github.cereda.arara.utils;
import java.io.IOException;
import java.io.OutputStream;
import org.apache.commons.io.IOUtils;
/**
* Implements a stream splitter.
* @author Paulo Roberto Massa Cereda
* @version 4.0
* @since 4.0
*/
public class TeeOutputStream extends OutputStream {
// an array of streams in which
// an object of this class will
// split data
private final OutputStream[] streams;
/**
* Constructor.
* @param outputStreams An array of output streams.
*/
public TeeOutputStream(OutputStream... outputStreams) {
streams = outputStreams;
}
/**
* Writes the provided integer to each stream.
* @param b The provided integer
* @throws IOException An IO exception.
*/
@Override
public void write(int b) throws IOException {
for (OutputStream ostream : streams) {
ostream.write(b);
}
}
/**
* Writes the provided byte array to each stream, with the provided offset
* and length.
* @param b The byte array.
* @param offset The offset.
* @param length The length.
* @throws IOException An IO exception.
*/
@Override
public void write(byte[] b, int offset, int length) throws IOException {
for (OutputStream ostream : streams) {
ostream.write(b, offset, length);
}
}
/**
* Flushes every stream.
* @throws IOException An IO exception.
*/
@Override
public void flush() throws IOException {
for (OutputStream ostream : streams) {
ostream.flush();
}
}
/**
* Closes every stream silently.
*/
@Override
public void close() {
for (OutputStream ostream : streams) {
IOUtils.closeQuietly(ostream);
}
}
}
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