return null;
        });
        getUserBean().ifPresent(u -> {
            if (u.getFessUser() instanceof User && entity.getName().equals(u.getUserId())) {
                throwValidationErrorApi(messages -> messages.addErrorsCouldNotDeleteLoggedInUser(GLOBAL));
            }
        });
        try {
            groupService.delete(entity);

        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);
            }
        });
        verifyToken(this::asDetailsHtml);

            public void accessDenied(final OptionalThing<FessUserBean> user, final String path) {
                final Map<String, String> log = new LinkedHashMap<>();
                log.put("user", user.map(FessUserBean::getUserId).orElse("-"));
                log.put("path", path);
                capturedLogs.add(log);
            }
        };
    }

     */
    @Override
    public void resolveCredential(final LoginCredentialResolver resolver) {
        resolver.resolve(SpnegoCredential.class, credential -> {
            final String username = credential.getUserId();
            if (!ComponentUtil.getFessConfig().isAdminUser(username)) {
                return ComponentUtil.getLdapManager().login(username);
            }
            return OptionalEntity.empty();
        });

            if (user.hasRoles(ComponentUtil.getFessConfig().getAuthenticationAdminRolesAsArray())) {
                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) {

        final String userCode = fessConfig.isUserInfo() ? ComponentUtil.getUserInfoHelper().getUserCode() : null;
        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;

     *
     * @return The username, or "guest" if not logged in.
     */
    public String getUsername() {
        return getRequestManager().findUserBean(FessUserBean.class).map(FessUserBean::getUserId).orElse(Constants.GUEST_USER);
    }

    /**
     * Gets the request manager.
     *
     * @return The request manager.
     */
    protected RequestManager getRequestManager() {