final FessConfig fessConfig = ComponentUtil.getFessConfig();

        if (!fessConfig.isAcceptedSearchReferer(request.getHeader("referer"))) {
            writeJsonResponse(HttpServletResponse.SC_BAD_REQUEST, escapeJsonKeyValue(MESSAGE_FIELD, "Referer is invalid."));
            return;
        }

        if (!fessConfig.isApiSearchScroll()) {

                    EsStatusPostcard.droppedInto(postbox, postcard -> {
                        postcard.setFrom(fessConfig.getMailFromAddress(), fessConfig.getMailFromName());
                        postcard.addReplyTo(fessConfig.getMailReturnPath());
                        if (toAddresses.length > 0) {

        MockletHttpServletRequest request = getMockRequest();
        request.setAttribute(FessConfig.VIRTUAL_HOST_VALUE, "cached_value");

        String key = virtualHostHelper.getVirtualHostKey();
        assertEquals("cached_value", key);
    }

    public void test_processVirtualHost() {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

        languageHelper = new TestLanguageHelper();
        searchEngineClient = new TestSearchEngineClient();
        ingestFactory = new TestIngestFactory();

        // Setup FessConfig
        fessConfig = new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public String getIndexerDataMaxDocumentRequestSize() {

        buf.append("[HOTTHREAD MONITOR] ");

        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        buf.append('{');

        final boolean ignoreIdleThreads = Constants.TRUE.equalsIgnoreCase(fessConfig.getCrawlerHotthreadIgnoreIdleThreads());
        final TimeValue interval = TimeValue.parseTimeValue(fessConfig.getCrawlerHotthreadInterval(), "crawler.hotthread.interval");

                    index = fessConfig.getIndexConfigIndex();
                } else if ("fess_user".equals(index)) {
                    index = fessConfig.getIndexUserIndex();
                } else if ("fess_basic_config".equals(index) && !"fess_config".equals(fessConfig.getIndexConfigIndex())) {
                    index = "basic_" + fessConfig.getIndexConfigIndex();
                }

                .map(org.codelibs.fess.crawler.util.FieldConfigs.Config::isCache)
                .orElse(false) || fessConfig.isCrawlerDocumentCacheEnabled()) && fessConfig.isSupportedDocumentCacheMimetypes(mimeType)) {
            if (responseData.getContentLength() > 0
                    && responseData.getContentLength() <= fessConfig.getCrawlerDocumentCacheMaxSizeAsInteger().longValue()) {

        crudMode = CrudMode.CREATE;
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        includedPaths = fessConfig.getCrawlerDocumentFileDefaultIncludeIndexPatterns();
        excludedPaths = fessConfig.getCrawlerDocumentFileDefaultExcludeIndexPatterns();
        includedDocPaths = fessConfig.getCrawlerDocumentFileDefaultIncludeSearchPatterns();
        excludedDocPaths = fessConfig.getCrawlerDocumentFileDefaultExcludeSearchPatterns();

        defaultQuery.add(builder.apply(fessConfig.getIndexFieldTitle(), fessConfig.getQueryBoostTitleAsDecimal().floatValue()));
        defaultQuery.add(builder.apply(fessConfig.getIndexFieldContent(), fessConfig.getQueryBoostContentAsDecimal().floatValue()));
        final float importantContentBoost = fessConfig.getQueryBoostImportantContentAsDecimal().floatValue();
        if (importantContentBoost >= 0.0f) {

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String url = (String) dataMap.get(fessConfig.getIndexFieldUrl());
        final StringBuilder buf = new StringBuilder(1000);

        @SuppressWarnings("unchecked")
        final List<String> roleTypeList = (List<String>) dataMap.get(fessConfig.getIndexFieldRole());
        buf.append(url);