*
     * @param doc the document map
     */
    protected void populateUrlLink(final Map<String, Object> doc) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (doc.get(fessConfig.getResponseFieldUrlLink()) == null) {
            doc.put(fessConfig.getResponseFieldUrlLink(), ComponentUtil.getViewHelper().getUrlLink(doc));
        }
    }

    /**

        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");

            queryFieldConfig.init();
        }
    }

    @Test
    public void test_init_withAdditionalDefaultFields() {
        // Create custom FessConfig with additional default fields
        FessConfig fessConfig = new FessConfig.SimpleImpl() {

            @Override
            public String getQueryAdditionalDefaultFields() {
                return "field1:2.0,field2:1.5,field3,field4:3.5";

     * @return The converted OpenSearch QueryBuilder
     */
    protected QueryBuilder convertWildcardQuery(final QueryContext context, final WildcardQuery wildcardQuery, final float boost) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String field = getSearchField(context.getDefaultField(), wildcardQuery.getField());
        if (Constants.DEFAULT_FIELD.equals(field)) {

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

        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        final StringBuilder resultBuf = new StringBuilder();

        // clean up
        final QueryBuilder queryBuilder = QueryBuilders.rangeQuery(fessConfig.getIndexFieldExpires()).to("now");
        try {
            searchEngineClient.deleteByQuery(fessConfig.getIndexDocumentUpdateIndex(), queryBuilder);

        // Test with multiple different configs
        FessConfig[] configs = new FessConfig[5];
        FessTimeResourceProvider[] providers = new FessTimeResourceProvider[5];

        for (int i = 0; i < configs.length; i++) {
            final int value = i * 100;
            configs[i] = new FessConfig.SimpleImpl() {
                private static final long serialVersionUID = 1L;

            return buildDefaultQueryBuilder(fessConfig, context,
                    (f, b) -> QueryBuilders.fuzzyQuery(f, text)
                            .fuzziness(Fuzziness.fromEdits(fuzzyQuery.getMaxEdits()))
                            .boost(b * boost)
                            .maxExpansions(fessConfig.getQueryFuzzyExpansionsAsInteger())
                            .prefixLength(fessConfig.getQueryFuzzyPrefixLengthAsInteger())

                        docMap.put(fessConfig.getResponseFieldContentTitle(), viewHelper.getContentTitle(docMap));
                        docMap.put(fessConfig.getResponseFieldContentDescription(), viewHelper.getContentDescription(docMap));
                        docMap.put(fessConfig.getResponseFieldUrlLink(), viewHelper.getUrlLink(docMap));
                        docMap.put(fessConfig.getResponseFieldSitePath(), viewHelper.getSitePath(docMap));

    public static void updateConfig(final FessConfig fessConfig, final EditForm form) {
        fessConfig.setLoginRequired(isCheckboxEnabled(form.loginRequired));
        fessConfig.setResultCollapsed(isCheckboxEnabled(form.resultCollapsed));
        fessConfig.setLoginLinkEnabled(isCheckboxEnabled(form.loginLink));
        fessConfig.setThumbnailEnabled(isCheckboxEnabled(form.thumbnail));