code: public synchronized void flush()
  	{
  		if (out != null)
  			try {
  				out.flush();
  			}
  			catch (final IOException e) {
  				getErrorHandler().error(this, "on flush", e);
  			}
  	}
docs: /* (non-Javadoc)
  @see tuwien.auto.calimero.log.LogWriter#flush()