org.testifyproject.apache.commons.io.output.TeeOutputStream Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in org.testifyproject.testifyprojectpliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org.testifyproject/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.testifyproject.apache.org.testifyproject.testifyprojectmons.org.testifyproject.testifyproject.output;
import java.org.testifyproject.testifyproject.IOException;
import java.org.testifyproject.testifyproject.OutputStream;
/**
* Classic splitter of OutputStream. Named after the unix 'tee'
* org.testifyproject.testifyprojectmand. It allows a stream to be branched off so there
* are now two streams.
*
* @version $Id: TeeOutputStream.java 1302056 2012-03-18 03:03:38Z ggregory $
*/
public class TeeOutputStream extends ProxyOutputStream {
/** the second OutputStream to write to */
protected OutputStream branch;
/**
* Constructs a TeeOutputStream.
* @param out the main OutputStream
* @param branch the second OutputStream
*/
public TeeOutputStream(OutputStream out, OutputStream branch) {
super(out);
this.branch = branch;
}
/**
* Write the bytes to both streams.
* @param b the bytes to write
* @throws IOException if an I/O error occurs
*/
@Override
public synchronized void write(byte[] b) throws IOException {
super.write(b);
this.branch.write(b);
}
/**
* Write the specified bytes to both streams.
* @param b the bytes to write
* @param off The start offset
* @param len The number of bytes to write
* @throws IOException if an I/O error occurs
*/
@Override
public synchronized void write(byte[] b, int off, int len) throws IOException {
super.write(b, off, len);
this.branch.write(b, off, len);
}
/**
* Write a byte to both streams.
* @param b the byte to write
* @throws IOException if an I/O error occurs
*/
@Override
public synchronized void write(int b) throws IOException {
super.write(b);
this.branch.write(b);
}
/**
* Flushes both streams.
* @throws IOException if an I/O error occurs
*/
@Override
public void flush() throws IOException {
super.flush();
this.branch.flush();
}
/**
* Closes both output streams.
*
* If closing the main output stream throws an exception, attempt to close the branch output stream.
*
* If closing the main and branch output streams both throw exceptions, which exceptions is thrown by this method is
* currently unspecified and subject to change.
*
* @throws IOException
* if an I/O error occurs
*/
@Override
public void close() throws IOException {
try {
super.close();
} finally {
this.branch.close();
}
}
}