printLog(buf.toString());
    }

    protected void printLog(final String message) {
        logger.info(message);
    }

    protected String getClientIp() {
        return LaRequestUtil.getOptionalRequest().map(req -> ComponentUtil.getViewHelper().getClientIp(req)).orElse("-");
    }

    protected enum Action {
        LOGIN, LOGOUT, ACCESS, LOGIN_FAILURE, UPDATE_PERMISSION;
    }