public UserAgentType getUserAgentType() {
        return LaRequestUtil.getOptionalRequest().map(request -> {
            UserAgentType uaType = (UserAgentType) request.getAttribute(USER_AGENT_TYPE);
            if (uaType == null) {
                final String userAgent = request.getHeader(USER_AGENT);
                if (userAgent != null) {

            result.setPassword(DfTypeUtil.toString(source.get(PASSWORD)));
            result.setGroups(toStringArray(source.get(GROUPS)));
            result.setRoles(toStringArray(source.get(ROLES)));
            result.setAttributes(source.entrySet().stream().filter(e -> isAttribute(e.getKey()))
                    .map(e -> new Pair<>(e.getKey(), (String) e.getValue())).collect(Collectors.toMap(Pair::getFirst, Pair::getSecond)));
            return result;

        }

        @Override
        public String[] getExtraQueries() {
            return parent.getExtraQueries();
        }

        @Override
        public Object getAttribute(final String name) {
            return parent.getAttribute(name);
        }

        @Override
        public Locale getLocale() {
            return parent.getLocale();
        }

        @Override

        return StringUtil.isBlank(s) ? StringUtil.EMPTY : "/" + s;
    }

    public String getVirtualHostKey() {
        return LaRequestUtil.getOptionalRequest().map(req -> (String) req.getAttribute(FessConfig.VIRTUAL_HOST_VALUE)).orElseGet(() -> {
            final String value = processVirtualHost(s -> s, StringUtil.EMPTY);

                messages.addErrorsInvalidConfirmPassword(GLOBAL);
            }, validationErrorLambda);
        }

        final String oldPassword =
                getSession().map(session -> (String) session.getAttribute(INVALID_OLD_PASSWORD)).orElse(StringUtil.EMPTY);
        fessLoginAssist.findLoginUser(new LocalUserCredential(getUserBean().get().getUserId(), oldPassword)).orElseGet(() -> {
            throwValidationError(messages -> {

    public abstract int getStartPosition();

    public abstract int getPageSize();

    public abstract int getOffset();

    public abstract String[] getExtraQueries();

    public abstract Object getAttribute(String name);

    public abstract Locale getLocale();

    public abstract SearchRequestType getType();

    public abstract String getSimilarDocHash();

    public String getTrackTotalHits() {

    protected OptionalThing<String[]> getQueryLanguages() {
        return LaRequestUtil.getOptionalRequest().map(request -> ComponentUtil.getFessConfig().getQueryLanguages(request.getLocales(),
                (String[]) request.getAttribute(Constants.REQUEST_LANGUAGES)));
    }

    protected BoolQueryBuilder buildDefaultQueryBuilder(final FessConfig fessConfig, final QueryContext context,
            final DefaultQueryBuilderFunction builder) {

    private final String sessionIndex;

    private final String nameidNameQualifier;

    private final String nameidSPNameQualifier;

    public SamlCredential(final Auth auth) {
        attributes = auth.getAttributes();
        nameId = auth.getNameId();
        nameIdFormat = auth.getNameIdFormat();
        sessionIndex = auth.getSessionIndex();
        nameidNameQualifier = auth.getNameIdNameQualifier();

            handleFileUploadException(e);
        }
    }

    protected ModuleConfig getModuleConfig(final HttpServletRequest request) {
        return (ModuleConfig) request.getAttribute(LastaWebKey.MODULE_CONFIG_KEY);
    }

    // ===================================================================================
    //                                                            Create ServletFileUpload

                highlightedQuerySet = new HashSet<>();
                request.setAttribute(Constants.HIGHLIGHT_QUERIES, highlightedQuerySet);
                fieldLogMap = (Map<String, List<String>>) request.getAttribute(Constants.FIELD_LOGS);
                if (fieldLogMap == null) {
                    fieldLogMap = new HashMap<>();
                    request.setAttribute(Constants.FIELD_LOGS, fieldLogMap);
                }