*
     * @return an optional containing the current user bean, or empty if not logged in
     */
    @Override
    protected OptionalThing<FessUserBean> getUserBean() { // to return as concrete class
        return fessLoginAssist.getSavedUserBean();
    }

    /**
     * Returns the application type identifier for this Fess application.
     *

        if (!labelTypeItems.isEmpty() && !form.fields.containsKey(FessSearchAction.LABEL_FIELD)) {
            final String[] defaultLabelValues = fessConfig.getDefaultLabelValues(getUserBean());
            if (defaultLabelValues.length > 0) {
                form.fields.put(FessSearchAction.LABEL_FIELD, defaultLabelValues);
            }
        }

        }

        final SearchRenderData renderData = new SearchRenderData();
        body.initialize();
        try {
            searchHelper.search(body, renderData, getUserBean());
            return asJson(new ApiDocsResponse().renderData(renderData).status(Status.OK).result());
        } catch (final InvalidQueryException e) {
            if (logger.isDebugEnabled()) {

            buildFormParams(form);
            form.lang = searchHelper.getLanguages(request, form);
            final WebRenderData renderData = new WebRenderData();
            searchHelper.search(form, renderData, getUserBean());
            return asHtml(virtualHost(path_SearchJsp)).renderWith(data -> {
                if (form.hasConditionQuery()) {
                    form.q = renderData.getSearchQuery();
                }

    @Execute
    @Secured({ ROLE })
    public HtmlResponse delete(final EditForm form) {
        verifyCrudMode(form.crudMode, CrudMode.DETAILS);
        validate(form, messages -> {}, this::asDetailsHtml);
        getUserBean().ifPresent(u -> {
            if (u.getFessUser() instanceof User && form.name.equals(u.getUserId())) {
                throwValidationError(messages -> messages.addErrorsCouldNotDeleteLoggedInUser(GLOBAL), this::asDetailsHtml);

            AdminMaintenanceAction.ROLE + VIEW, //
            AdminSereqAction.ROLE, //
            AdminSereqAction.ROLE + VIEW,//

    })
    public HtmlResponse index() {
        return redirect(getUserBean().map(user -> {
            final Class<? extends FessAdminAction> actionClass = getAdminActionClass(user);
            if (actionClass != null) {
                return actionClass;
            }

        form.initialize();
        request.setAttribute(Constants.SEARCH_LOG_ACCESS_TYPE, Constants.SEARCH_LOG_ACCESS_TYPE_ADMIN);
        try {
            searchHelper.search(form, renderData, getUserBean());
            return asListHtml().renderWith(data -> {
                renderData.register(data);
            });
        } catch (final InvalidQueryException e) {
            if (logger.isDebugEnabled()) {