if (viewHelper != null && !docMap.isEmpty()) {
                        docMap.put(fessConfig.getResponseFieldContentTitle(), viewHelper.getContentTitle(docMap));
                        docMap.put(fessConfig.getResponseFieldContentDescription(), viewHelper.getContentDescription(docMap));
                        docMap.put(fessConfig.getResponseFieldUrlLink(), viewHelper.getUrlLink(docMap));

        }
    }

    @Override
    public boolean isTarget(final Map<String, Object> docMap) {
        final String thumbnailFieldName = ComponentUtil.getFessConfig().getIndexFieldThumbnail();
        if (logger.isDebugEnabled()) {
            logger.debug("[{}] thumbnail: {}", name, docMap.get(thumbnailFieldName));
        }
        if (!docMap.containsKey(thumbnailFieldName)) {
            return false;
        }

        }
        return false;
    }

    /**
     * Gets the image filename for a document based on its document map.
     *
     * @param docMap the document data map
     * @return the generated image filename
     */
    protected String getImageFilename(final Map<String, Object> docMap) {

     *
     * @param path the file path or URL of the document
     * @param docMap the document metadata map containing field values
     * @return a tuple containing the generator name, thumbnail ID, and path
     */
    @Override
    public Tuple3<String, String, String> createTask(final String path, final Map<String, Object> docMap) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

            if (source != null) {
                final Map<String, Object> docMap = new HashMap<>(source);
                docMap.put(fessConfig.getIndexFieldId(), hit.getId());
                docMap.put(fessConfig.getIndexFieldVersion(), hit.getVersion());
                docMap.put(fessConfig.getIndexFieldSeqNo(), hit.getSeqNo());
                docMap.put(fessConfig.getIndexFieldPrimaryTerm(), hit.getPrimaryTerm());

     * Extracts and formats the site path from document URL.
     *
     * @param docMap the document data map
     * @return the formatted site path
     */
    public Object getSitePath(final Map<String, Object> docMap) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final Object siteValue = docMap.get(fessConfig.getIndexFieldSite());
        if (siteValue != null) {