code: public static void copy(InputStream in, OutputStream out, long count)
  			throws IOException {
  		copy(in, out, count, BUFFER_SIZE);
  	}
docs: Copy the specified number of bytes from an input stream to an output
  stream. It is up to the caller to close the streams.
  
  @param in
  input stream
  @param out
  output stream
  @param count
  number of bytes to copy
  @throws IOException
  on any error