}
        String url = DocumentUtil.getValue(doc, fessConfig.getIndexFieldUrl(), String.class);
        if (url == null) {
            url = ComponentUtil.getMessageManager().getMessage(locale, "labels.search_unknown");
        }
        doc.put(fessConfig.getResponseFieldUrlLink(), getUrlLink(doc));
        String createdStr;
        final Date created = DocumentUtil.getValue(doc, fessConfig.getIndexFieldCreated(), Date.class);