final ResponseData responseData = client.execute(RequestDataBuilder.newRequestData().get().url(url).build());
        if (responseData.getHttpStatusCode() == 404) {
            response.httpStatus(responseData.getHttpStatusCode());
            CloseableUtil.closeQuietly(responseData);
            return response;
        }
        writeFileName(response, responseData);

     */
    public List<String> getFileRoleTypeList(final ResponseData responseData) {
        final List<String> roleTypeList = new ArrayList<>();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (fessConfig.isFileRoleFromFile() && responseData.getUrl().startsWith("file:")) {
            final Map<String, Object> metaDataMap = responseData.getMetaDataMap();

     * for thumbnail generation.
     *
     * @param responseData the response data containing MIME type information
     * @return true if the MIME type represents a supported image format, false otherwise
     */
    protected boolean isImageMimeType(final ResponseData responseData) {
        final String mimeType = responseData.getMimeType();
        if (mimeType == null) {
            return true;
        }

     *
     * @param responseData the response data containing the file to extract
     * @return the extractor instance for processing the file
     * @throws FessSystemException if no suitable extractor factory can be found
     */
    @Override
    protected Extractor getExtractor(final ResponseData responseData) {

                try (final ResponseData responseData = client.execute(RequestDataBuilder.newRequestData().get().url(u).build())) {
                    if (StringUtil.isNotBlank(responseData.getRedirectLocation())) {
                        u = responseData.getRedirectLocation();
                        continue;
                    }
                    if (StringUtil.isBlank(responseData.getUrl())) {

        try (final ResponseData responseData = client.execute(RequestDataBuilder.newRequestData().get().url(url).build())) {
            if (responseData.getRedirectLocation() != null) {
                return responseData.getRedirectLocation();
            }
            responseData.setExecutionTime(systemHelper.getCurrentTimeAsLong() - startTime);

            final org.codelibs.fess.crawler.entity.ResultData resultData = new org.codelibs.fess.crawler.entity.ResultData();
            Map<String, Object> dataMap = new HashMap<>();
            if (responseData != null) {
                dataMap.put("url", responseData.getUrl());
            }

        }

        return process(thumbnailId, responseData -> {
            final String mimeType = responseData.getMimeType();
            final String extension = getExtensionFromMimeType(mimeType);
            final File tempFile = ComponentUtil.getSystemHelper().createTempFile("thumbnail_", extension);
            try {
                CopyUtil.copy(responseData.getResponseBody(), tempFile);