/* * Copyright (c) 2001, 2011, 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. */ /* * This source code is provided to illustrate the usage of a given feature * or technique and has been deliberately simplified. Additional steps * required for a production-quality application, such as security checks, * input validation and proper error handling, might not be present in * this sample code. */ 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); } } }