def METHOD_NAME(self, message):
    if len(message.strip(' \n')) == 0:
        return
    if 'DEBUG:' in message:
        self._writer_arr[0](message)
    elif 'INFO:' in message:
        self._writer_arr[1](message)
    elif 'WARNING:' in message:
        self._writer_arr[2](message)
    elif 'ERROR:' in message:
        self._writer_arr[3](message)
    else:
        self._writer_arr[self.default_writer_pos](message)