/*

 * Copyright (c) 1998, 1999, 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.

 *

 * 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.

 */

/**

 *

 */

import java.io.*;

/**

 * Pipe output of one stream into input of another.

 */

public class StreamPipe extends Thread {

    private InputStream in;

    private OutputStream out;

    private String preamble;

    private static Object lock = new Object();

    private static int count = 0;

    public StreamPipe(InputStream in, OutputStream out, String name) {

        super(name);

        this.in  = in;

        this.out = out;

        this.preamble = "# ";

    }

    public void run() {

        BufferedReader r = new BufferedReader(new InputStreamReader(in), 1);

        BufferedWriter w = new BufferedWriter(new OutputStreamWriter(out));

        byte[] buf = new byte[256];

        boolean bol = true;     // beginning-of-line

        int count;

        try {

            String line;

            while ((line = r.readLine()) != null) {

                w.write(preamble);

                w.write(line);

                w.newLine();

                w.flush();

            }

        } catch (IOException e) {

            System.err.println("*** IOException in StreamPipe.run:");

            e.printStackTrace();

        }

    }

    public static void plugTogether(InputStream in, OutputStream out) {

        String name = null;

        synchronized (lock) {

            name = "TestLibrary: StreamPipe-" + (count ++ );

        }

        Thread pipe = new StreamPipe(in, out, name);

        pipe.setDaemon(true);

        pipe.start();

    }

}