final FessMessages messages = new FessMessages();
            validationMessagesLambda.message(messages);
            message = ComponentUtil.getMessageManager()
                    .toMessageList(LaRequestUtil.getOptionalRequest().map(HttpServletRequest::getLocale).orElse(Locale.ENGLISH), messages)
                    .stream()
                    .collect(Collectors.joining(" "));
            return this;
        }
    }

        final String userId = ComponentUtil.getRequestManager().findUserBean(FessUserBean.class).map(FessUserBean::getUserId).orElse(null);
        final HttpServletRequest request = LaRequestUtil.getOptionalRequest().orElse(null);
        final String clientIp = request != null ? ComponentUtil.getViewHelper().getClientIp(request) : null;
        final String virtualHostKey = ComponentUtil.getVirtualHostHelper().getVirtualHostKey();

     * @param status The status code.
     * @param body The body.
     */
    protected void writeJsonResponse(final int status, final String body) {
        final String callback = LaRequestUtil.getOptionalRequest().map(req -> req.getParameter("callback")).orElse(null);
        final boolean isJsonp = ComponentUtil.getFessConfig().isApiJsonpEnabled() && StringUtil.isNotBlank(callback);

                scheduledJobService.getScheduledJob(id).ifPresent(entity -> {
                    loadScheduledJob(form, entity);
                    form.crudMode = crudMode;
                    LaRequestUtil.getOptionalRequest().ifPresent(request -> {
                        request.setAttribute("running", entity.isRunning());
                        request.setAttribute("enabled", entity.isEnabled());
                    });

        }

        final ExternalContext externalContext = SingletonLaContainerFactory.getExternalContext();
        final OptionalThing<HttpServletRequest> requestOpt = LaRequestUtil.getOptionalRequest();
        final OptionalThing<HttpServletResponse> responseOpt = LaResponseUtil.getOptionalResponse();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        logger.info(message);
    }

    /**
     * Get the client IP.
     * @return The client IP.
     */
    protected String getClientIp() {
        return LaRequestUtil.getOptionalRequest().map(req -> ComponentUtil.getViewHelper().getClientIp(req)).orElse("-");
    }

    /**
     * The action.
     */
    protected enum Action {
        /**
         * The login action.

        }
        ComponentUtil.getSsoManager().register(this);
    }

    @Override
    public LoginCredential getLoginCredential() {
        return LaRequestUtil.getOptionalRequest().map(request -> {
            if (logger.isDebugEnabled()) {
                logger.debug("Logging in with OpenID Connect Authenticator");
            }

     * @throws SsoLoginException if SPNEGO authentication fails
     */
    @Override
    public LoginCredential getLoginCredential() {
        return LaRequestUtil.getOptionalRequest().map(request -> {
            if (logger.isDebugEnabled()) {
                logger.debug("Logging in with SPNEGO Authenticator");
            }

                return Constants.SEARCH_PREFERENCE_LOCAL;
            }
            return user.getUserId();
        }).ifPresent(p -> searchRequestBuilder.setPreference(p)).orElse(() -> LaRequestUtil.getOptionalRequest().map(r -> {
            final HttpSession session = r.getSession(false);
            if (session != null) {
                return session.getId();
            }

     *
     * @return the user's locale, or default locale if not in request context
     */
    protected Locale getUserLocale() {
        return LaRequestUtil.getOptionalRequest().map(request -> {
            final HttpSession session = request.getSession(false);
            if (session != null && session.getAttribute(LastaWebKey.USER_LOCALE_KEY) instanceof final Locale sessionLocale) {