}
            });

    protected FessFunctions() {
        // nothing
    }

    public static Boolean labelExists(final String value) {
        return LaRequestUtil.getOptionalRequest().map(req -> {
            @SuppressWarnings("unchecked")
            final Map<String, String> labelValueMap = (Map<String, String>) req.getAttribute(Constants.LABEL_VALUE_MAP);
            if (labelValueMap != null) {

        });
        return new SettingsBuilder().fromValues(params).build();
    }

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

            }
            matcher.appendTail(buf);
            return buf.toString();
        }).orElse(value);
    }

    protected OptionalThing<Set<String>> getQuerySet() {
        return LaRequestUtil.getOptionalRequest().map(req -> ((Set<String>) req.getAttribute(Constants.HIGHLIGHT_QUERIES)))
                .filter(s -> s != null);
    }

    public String getContentDescription(final Map<String, Object> document) {

        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final long startTime = systemHelper.getCurrentTimeAsLong();
        final long requestedTime = startTime;

        LaRequestUtil.getOptionalRequest().ifPresent(request -> {
            request.setAttribute(Constants.REQUEST_LANGUAGES, params.getLanguages());
            request.setAttribute(Constants.REQUEST_QUERIES, params.getQuery());
        });

        });
    }

    @Execute
    public HtmlResponse search(final SearchForm form) {
        if (viewHelper.isUseSession()) {
            LaRequestUtil.getOptionalRequest().ifPresent(request -> {
                final HttpSession session = request.getSession(false);
                if (session != null && form.num != null) {

        }));
    }

    public Set<String> build(final SearchRequestType searchRequestType) {
        final Set<String> roleSet = new HashSet<>();
        final HttpServletRequest request = LaRequestUtil.getOptionalRequest().orElse(null);
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final boolean isApiRequest =

    @Override
    protected SearchResult search(final String query, final SearchRequestParams params, final OptionalThing<FessUserBean> userBean) {
        final int pageSize = params.getPageSize();
        LaRequestUtil.getOptionalRequest().ifPresent(request -> {
            request.setAttribute(Constants.REQUEST_PAGE_SIZE, pageSize);
        });
        final OptionalEntity<SearchResponse> searchResponseOpt = sendRequest(query, params, userBean);

    /* (non-Javadoc)
     * @see org.codelibs.fess.sso.spnego.SsoAuthenticator#getLoginCredential()
     */
    @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();
            }

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

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