001 /*--------------------------------------------------------------------------+
002 $Id: MultiplexedOutputStream.java 26283 2010-02-18 11:18:57Z juergens $
003 | |
004 | Copyright 2005-2010 Technische Universitaet Muenchen |
005 | |
006 | Licensed under the Apache License, Version 2.0 (the "License"); |
007 | you may not use this file except in compliance with the License. |
008 | You may obtain a copy of the License at |
009 | |
010 | http://www.apache.org/licenses/LICENSE-2.0 |
011 | |
012 | Unless required by applicable law or agreed to in writing, software |
013 | distributed under the License is distributed on an "AS IS" BASIS, |
014 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
015 | See the License for the specific language governing permissions and |
016 | limitations under the License. |
017 +--------------------------------------------------------------------------*/
018 package edu.tum.cs.commons.io;
019
020 import java.io.IOException;
021 import java.io.OutputStream;
022
023 /**
024 * This class enables multiplexing of output streams. It can be e.g. used to
025 * output content to multiple files.
026 *
027 *
028 * @author Florian Deissenboeck
029 * @author $Author: juergens $
030 * @version $Rev: 26283 $
031 * @levd.rating GREEN Hash: 5DB2776C03CD4F1EF5CE43768985E2BD
032 */
033 public class MultiplexedOutputStream extends OutputStream {
034
035 /** The underlying output streams. */
036 private final OutputStream[] streams;
037
038 /**
039 * Create new multiplexed output streams.
040 *
041 * @param streams
042 * any number of output streams.
043 */
044 public MultiplexedOutputStream(OutputStream... streams) {
045 this.streams = streams;
046 }
047
048 /**
049 * Forwards close operation to all underlying output streams.
050 */
051 @Override
052 public void close() throws IOException {
053 for (OutputStream stream : streams) {
054 stream.close();
055 }
056 }
057
058 /**
059 * Forwards flush operation to all underlying output streams.
060 */
061 @Override
062 public void flush() throws IOException {
063 for (OutputStream stream : streams) {
064 stream.flush();
065 }
066 }
067
068 /**
069 * Forwards write operation to all underlying output streams.
070 */
071 @Override
072 public void write(int b) throws IOException {
073 for (OutputStream stream : streams) {
074 stream.write(b);
075 }
076
077 }
078
079 }