code: public static void copy(final InputStream in, final OutputStream out)
  			throws IOException {
  		copy(in, out, DEFAULT_BUFFER_SIZE);
  	}
docs: Copies information from the input stream to the output stream, using the default copy buffer size.
  
  @param in the source stream.
  @param out the destination stream.
  @throws IOException if there is an error reading or writing to the streams.