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/* TeeOutputStream.java

   Copyright (C) 2006  Free Software Foundation, Inc.

This file is a part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2 of the License, or (at

your option) any later version.

GNU Classpath 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 for more details.

You should have received a copy of the GNU General Public License

along with GNU Classpath; if not, write to the Free Software

Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

02110-1301 USA

Linking this library statically or dynamically with other modules is

making a combined work based on this library.  Thus, the terms and

conditions of the GNU General Public License cover the whole

combination.

As a special exception, the copyright holders of this library give you

permission to link this library with independent modules to produce an

executable, regardless of the license terms of these independent

modules, and to copy and distribute the resulting executable under terms

of your choice, provided that you also meet, for each linked independent

module, the terms and conditions of the license of that module.  An

independent module is a module which is not derived from or based on

this library.  If you modify this library, you may extend this exception

to your version of the library, but you are not obligated to do so.  If

you do not wish to do so, delete this exception statement from your

version.  */

package gnu.classpath.debug;

import java.io.*;

/**

 * An output stream that copies all its output to an additional byte sink.

 *

 * @author Chris Burdess

 */

public class TeeOutputStream

  extends OutputStream

{

  private final OutputStream out;

  private final OutputStream sink;

  /**

   * Constructs a tee output stream.

   * @param out the underlying output stream

   * @param sink the output sink

   */

  public TeeOutputStream(OutputStream out, OutputStream sink)

  {

    this.out = out;

    this.sink = sink;

  }

  public void write(int c)

    throws IOException

  {

    out.write(c);

    sink.write(c);

  }

  public void write(byte[] b, int off, int len)

    throws IOException

  {

    out.write(b, off, len);

    sink.write(b, off, len);

  }

  public void flush()

    throws IOException

  {

    out.flush();

    sink.flush();

  }

  public void close()

    throws IOException

  {

    out.close();

    sink.close();

  }

}