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));

     * Returns the first non-blank highlighted field content.
     *
     * @param document the document data map
     * @return the content description with highlighting
     */
    public String getContentDescription(final Map<String, Object> document) {
        for (final String field : highlightedFields) {
            final String text = DocumentUtil.getValue(document, field, String.class);