code: public boolean isLoggable(final Level level) {
  		if (logger.isTraceEnabled()) {
  			return level.intValue() >= Level.FINEST.intValue();
  		} else if (logger.isDebugEnabled()) {
  			return level.intValue() >= Level.FINE.intValue();
  		} else if (logger.isInfoEnabled()) {
  			return level.intValue() >= Level.INFO.intValue();
  		} else if (logger.isWarnEnabled()) {
  			return level.intValue() >= Level.WARNING.intValue();
  		} else if (logger.isErrorEnabled()) {
  			return level.intValue() >= Level.SEVERE.intValue();
  		} else {
  			return false;
  		}
  	}
docs: Returns {@code true} if the specified level is loggable.