* Otherwise, displays the login page.
     *
     * @return HTML response for login page or redirect to admin interface
     */
    protected HtmlResponse getHtmlResponse() {
        return getUserBean().map(this::redirectByUser).orElse(asHtml(virtualHost(path_Login_IndexJsp)));
    }

    /**
     * Redirects an authenticated user to the appropriate admin interface based on their roles.

                activityHelper.login(getUserBean());
                userInfoHelper.deleteUserCodeFromCookie(request);
                return getHtmlResponse();
            });
            if (ComponentUtil.getFessConfig().isValidAdminPassword(password)) {
                return loginRedirect;
            }

                    if (logger.isDebugEnabled()) {
                        logger.debug("No search parameters found, redirecting to root.");
                    }
                    return getHtmlResponse();
                });
            });
        } catch (final LoginFailureException lfe) {
            if (ssoManager.available()) {
                if (logger.isDebugEnabled()) {