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/*
 * Copyright (c) 1998-2012 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source 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.
 *
 * Resin Open Source 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, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package com.caucho.vfs;

import java.io.IOException;
import java.io.OutputStream;

/**
 * Unbuffered output stream to the stream impl
 * the VFS.
 */
public class StreamImplOutputStream extends OutputStream {
  private StreamImpl _stream;
  private byte []_buf = new byte[1];

  public StreamImplOutputStream(StreamImpl stream)
  {
    _stream = stream;
  }

  /**
   * Writes a byte to the underlying stream.
   *
   * @param v the value to write
   */
  public void write(int v)
    throws IOException
  {
    _buf[0] = (byte) v;
    
    _stream.write(_buf, 0, 1, false);
  }
  
  /**
   * Writes a buffer to the underlying stream.
   *
   * @param buffer the byte array to write.
   * @param offset the offset into the byte array.
   * @param length the number of bytes to write.
   */
  public void write(byte []buffer, int offset, int length)
    throws IOException
  {
    _stream.write(buffer, offset, length, false);
  }

  /**
   * Flushes the write output.
   */
  public void flush() throws IOException
  {
    _stream.flush();
  }

  /**
   * Closes the stream.
   */
  public void close() throws IOException
  {
    _stream.close();
  }
}