public static final int getLevel(final String levelName) {
		String _levelName = levelName;
		
		if (levelName == null) {
			return -1;
			
		} else {
			_levelName = levelName.trim();
		}
		
		if("DEBUG".equalsIgnoreCase(_levelName)) {				return LEVEL_DEBUG;
		} else if("INFO".equalsIgnoreCase(_levelName)) {		return LEVEL_INFO;
		} else if("NOTICE".equalsIgnoreCase(_levelName)) {		return LEVEL_NOTICE;
		} else if("WARN".equalsIgnoreCase(_levelName)) {		return LEVEL_WARN;
		} else if("ERROR".equalsIgnoreCase(_levelName)) {		return LEVEL_ERROR;
		} else if("CRITICAL".equalsIgnoreCase(_levelName)) {	return LEVEL_CRITICAL;
		} else if("ALERT".equalsIgnoreCase(_levelName)) {		return LEVEL_ALERT;
		} else if("EMERGENCY".equalsIgnoreCase(_levelName)) {	return LEVEL_EMERGENCY;
		} else {												return -1;
		}
	}