for (final Throwable t : throwables) {
            s.println("Cause #" + count + ":");
            t.printStackTrace(s);
            count++;
        }
    }

    @Override
    public void printStackTrace(final PrintWriter s) {
        super.printStackTrace(s);

        int count = 1;
        for (final Throwable t : throwables) {
            s.println("Caused " + count + ":");
            t.printStackTrace(s);

// Iterate through crawled data
dataService.iterate(sessionId, accessResult -> {
    System.out.println("URL: " + accessResult.getUrl());
    System.out.println("Status: " + accessResult.getHttpStatusCode());
    System.out.println("Content Type: " + accessResult.getMimeType());
    System.out.println("Content: " + accessResult.getContent());
    System.out.println("---");
});

// Get specific result

    // ResponseData responseData = future.get();
    // if (responseData != null) {
    // System.out.println("status: "
    // + responseData.getHttpStatusCode()
    // + " content: "
    // + new String(InputStreamUtil.getBytes(responseData
    // .getResponseBody()), "UTF-8"));
    // } else {
    // System.out.println("OK");
    // }
    // }
    // }

    }

    /**
     * Test printStackTrace functionality
     */
    public void test_printStackTrace() {
        CrawlerSystemException exception = new CrawlerSystemException("Print stack trace test");

        StringWriter stringWriter = new StringWriter();
        PrintWriter printWriter = new PrintWriter(stringWriter);
        exception.printStackTrace(printWriter);

 * defining the specific delay behavior for each stage.
 *
 * <p>
 * This class defines the contract for delaying the crawling process at various points, such as:
 * </p>
 * <ul>
 *   <li>Before processing a URL ({@link #delayBeforeProcessing()})</li>
 *   <li>After processing a URL ({@link #delayAfterProcessing()})</li>

        }

        if (logger.isDebugEnabled()) {
            logger.debug("metadata: {}", metadata);
        }

        return metadata;
    }

    // workaround: Tika does not have extention points.
    /**
     * This class is a parser that detects the document type.
     */
    protected class TikaDetectParser extends CompositeParser {
        private static final long serialVersionUID = 1L;

 *                                  .duplicateTermRemoved(true)
 *                                  .spaceChars(new int[] { ' ', '\u00a0' })
 *                                  .execute();
 * System.out.println(normalizedText);
 * }</pre>
 *
 * <p>Note: This class is not intended to be instantiated.
 *
 * @see TextNormalizeContext
 */
public final class TextUtil {

 *
 * ResultData resultData = new ResultData();
 *
 * transformer.storeData(responseData, resultData);
 *
 * String xmlData = new String(resultData.getData(), resultData.getEncoding());
 * System.out.println(xmlData);
 * </pre>
 *
 * <p>
 * Configuration options:
 * </p>
 * <ul>
 *   <li><b>fieldRuleMap:</b> A map of field names to XPath expressions.</li>

 * {@link org.codelibs.fess.crawler.exception.CrawlerSystemException} in case of errors.
 * </p>
 *
 * <p>
 * The {@link #storeData(ResponseData, ResultData)} method is the main entry point for storing
 * the content of a crawled resource. The {@link #getData(AccessResultData)} method retrieves
 * the stored file path as a File object.
 * </p>
 */
public class FileTransformer extends HtmlTransformer {

 * responseData.setEncoding("UTF-8");
 *
 * ResultData resultData = transformer.transform(responseData);
 * String extractedData = new String(resultData.getData(), StandardCharsets.UTF_8);
 * System.out.println(extractedData);
 * </pre>
 */
public class XmlTransformer extends AbstractTransformer {
    private static final Logger logger = LogManager.getLogger(XmlTransformer.class);