* the stored file path as a File object.
 * </p>
 */
public class FileTransformer extends HtmlTransformer {
    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(FileTransformer.class);

    /**
     * Constructs a new FileTransformer.
     */
    public FileTransformer() {
        // Default constructor
    }

    /**

    private Crawler crawler;

    @Resource
    private DataService dataService;

    @Resource
    private UrlQueueService urlQueueService;

    @Resource
    private FileTransformer fileTransformer;

    @Resource
    private CrawlerContainer crawlerContainer;

    @Override
    protected String prepareConfigFile() {
        return "crawler.xml";
    }

    public void test_execute_web() throws Exception {

    private DataService dataService;

    @Resource
    private UrlQueueService urlQueueService;

    @Resource
    private UrlFilterService urlFilterService;

    @Resource
    private FileTransformer fileTransformer;

    @Resource
    private FesenClient fesenClient;

    private OpenSearchRunner runner;

    @Override
    protected String prepareConfigFile() {
        return "app.xml";
    }

                .singleton("contentLengthHelper", ContentLengthHelper.class)
                .singleton("mimeTypeHelper", MimeTypeHelperImpl.class)
                .<FileTransformer> singleton("fileTransformer", FileTransformer.class, transformer -> {
                    transformer.setName("fileTransformer");
                    transformer.setFeatureMap(featureMap);
                    transformer.setPropertyMap(propertyMap);

        // Configure basic components
        container.singleton("crawler", Crawler.class)
                .singleton("httpClient", HcHttpClient.class)
                .singleton("fileTransformer", FileTransformer.class);
        
        // Get crawler instance
        Crawler crawler = container.getComponent("crawler");
        
        // Configure crawling parameters
        crawler.addUrl("https://example.com");