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/*

 *  $Id

 *  IzPack

 *  Copyright (C) 2001-2004 Julien Ponge

 *

 *  File :               ByteCountingOutputStream.java

 *  Description :        Counts bytes that are written

 *  Author's email :     julien@izforge.com

 *  Author's Website :   http://www.izforge.com

 *

 *  Portions are Copyright (c) 2001 Johannes Lehtinen

 *  johannes.lehtinen@iki.fi

 *  http://www.iki.fi/jle/

 *

 *  Portions are Copyright (c) 2002 Paul Wilkinson

 *  paulw@wilko.com

 *

 *  This program 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 any later version.

 *

 *  This program 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 this program; if not, write to the Free Software

 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

 */

package com.izforge.izpack.compiler;

import java.io.OutputStream;

import java.io.IOException;

/**

 * Stream which countes the bytes written through it. Be sure to flush before

 * checking size.

 */

public class ByteCountingOutputStream extends OutputStream

{

  private long count;

  private OutputStream os;

  public ByteCountingOutputStream(OutputStream os)

  {

    this.os = os;

  }

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

  {

    os.write(b, off, len);

    count += len;

  }

  public void write(byte[] b) throws IOException

  {

    os.write(b);

    count += b.length;

  }

  public void write(int b) throws IOException

  {

    os.write(b);

    count++;

  }

  public void close() throws IOException

  {

    os.close();

  }

  public void flush() throws IOException

  {

    os.flush();

  }

  public long getByteCount()

  {

    return count;

  }

}