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/*
* Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.tools.example.trace;
import java.io.*;
/**
* StreamRedirectThread is a thread which copies it's input to
* it's output and terminates when it completes.
*
* @author Robert Field
*/
class StreamRedirectThread extends Thread {
private final Reader in;
private final Writer out;
private static final int BUFFER_SIZE = 2048;
/**
* Set up for copy.
* @param name Name of the thread
* @param in Stream to copy from
* @param out Stream to copy to
*/
StreamRedirectThread(String name, InputStream in, OutputStream out) {
super(name);
this.in = new InputStreamReader(in);
this.out = new OutputStreamWriter(out);
setPriority(Thread.MAX_PRIORITY-1);
}
/**
* Copy.
*/
@Override
public void run() {
try {
char[] cbuf = new char[BUFFER_SIZE];
int count;
while ((count = in.read(cbuf, 0, BUFFER_SIZE)) >= 0) {
out.write(cbuf, 0, count);
}
out.flush();
} catch(IOException exc) {
System.err.println("Child I/O Transfer - " + exc);
}
}
}
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