public FacetInfo getFacetInfo() {
        return ComponentUtil.getQueryHelper().getDefaultFacetInfo();
    }

    @Override
    public HighlightInfo getHighlightInfo() {
        return ComponentUtil.getViewHelper().createHighlightInfo();
    }

    @Override
    public String getSort() {
        return sort;
    }

    @Override
    public Object getAttribute(final String name) {

        }
        if (!fessConfig.isSearchFileProxyEnabled()) {
            return HtmlResponse.fromRedirectPathAsIs(targetUrl + hash);
        }
        final ViewHelper viewHelper = ComponentUtil.getViewHelper();
        try {
            final StreamResponse response = viewHelper.asContentResponse(doc);
            if (response.getHttpStatus().orElse(200) == 404) {
                logger.debug("Not found: {}", targetUrl);

                docMap.put(key, value.getValue());
            });
        } else {
            docMap.putAll(searchHit.getSourceAsMap());
        }

        final ViewHelper viewHelper = ComponentUtil.getViewHelper();

        final Map<String, HighlightField> highlightFields = searchHit.getHighlightFields();
        try {
            if (highlightFields != null) {

    }

    /**
     * Get the client IP.
     * @return The client IP.
     */
    protected String getClientIp() {
        return LaRequestUtil.getOptionalRequest().map(req -> ComponentUtil.getViewHelper().getClientIp(req)).orElse("-");
    }

    /**
     * The action.
     */
    protected enum Action {
        /**
         * The login action.
         */
        LOGIN,
        /**

     *
     * @return list of FacetQueryView objects
     */
    public static List<FacetQueryView> facetQueryViewList() {
        final ViewHelper viewHelper = ComponentUtil.getViewHelper();
        return viewHelper.getFacetQueryViewList();
    }

    /**
     * Creates a URL query string from request parameters that start with the specified prefix.
     *

            searchLog.setUser(user.getUserId());
        });

        LaRequestUtil.getOptionalRequest().ifPresent(req -> {
            searchLog.setClientIp(StringUtils.abbreviate(ComponentUtil.getViewHelper().getClientIp(req), 100));
            searchLog.setReferer(StringUtils.abbreviate(req.getHeader("referer"), 1000));
            searchLog.setUserAgent(StringUtils.abbreviate(req.getHeader("user-agent"), 255));

        public String getSimilarDocHash() {
            return request.getParameter("sdh");
        }

        @Override
        public HighlightInfo getHighlightInfo() {
            return ComponentUtil.getViewHelper().createHighlightInfo();
        }
    }

    /**
     * The request parameters for suggest API.
     */
    protected static class RequestParameter extends SearchRequestParams {

        }
        return systemHelper;
    }

    /**
     * Gets the view helper component.
     * @return The view helper.
     */
    public static ViewHelper getViewHelper() {
        return getComponent(VIEW_HELPER);
    }

    /**
     * Gets the Samba helper component.
     * @return The Samba helper.
     */
    public static SambaHelper getSambaHelper() {

                                .collect(Collectors.toMap(Entry::getKey, e -> (Object) e.getValue().getValues())));
                    }

                    final ViewHelper viewHelper = ComponentUtil.getViewHelper();
                    if (viewHelper != null && !docMap.isEmpty()) {
                        docMap.put(fessConfig.getResponseFieldContentTitle(), viewHelper.getContentTitle(docMap));