String expected;
        String actual;
        String value;

        value = "hoge.txt";
        expected = "hoge.txt";
        actual = extractor.getFileName(value);
        assertEquals(expected, actual);

        value = "/hoge.txt";
        expected = "hoge.txt";
        actual = extractor.getFileName(value);
        assertEquals(expected, actual);

        value = "fuga/hoge.txt";

 * {@link CrawlerContainer}. It also provides a convenient method for
 * registering the extractor with the {@link ExtractorFactory}.
 * </p>
 *
 * <p>
 * Subclasses should implement the actual extraction logic in their own
 * methods, leveraging the helper methods provided by this abstract class.
 * </p>
 *
 */
public abstract class AbstractExtractor implements Extractor {

    /** The crawler container. */

     * Skips over and discards {@code n} bytes of data from this input stream.
     * This method delegates to {@link FileInputStream#skip(long)}.
     *
     * @param n the number of bytes to be skipped
     * @return the actual number of bytes skipped
     * @throws IOException if an I/O error occurs.
     */
    @Override
    public long skip(final long n) throws IOException {
        return fileInputStream.skip(n);
    }

        Object data = testTransformer.getData(accessResultData);
        byte[] expected = "test data".getBytes();
        byte[] actual = (byte[]) data;
        assertEquals(expected.length, actual.length);
        for (int i = 0; i < expected.length; i++) {
            assertEquals(expected[i], actual[i]);
        }

        // Test with null
        assertNull(testTransformer.getData(null));
    }

    /**

        }
    }

    /**
     * Processes a storage request with timeout management.
     * @param uri the URI to process
     * @param includeContent whether to include the actual content in the response
     * @return the response data for the request
     * @throws CrawlingAccessException if an error occurs while processing the request
     */

 *     .method("GET")
 *     .url("https://example.com")
 *     .weight(1.0f)
 *     .build();
 * </pre>
 *
 * <p>The builder is implemented using an inner class {@link RequestDataContext} that handles
 * the actual construction of the RequestData object.</p>
 *
 */
public final class RequestDataBuilder {
    private RequestDataBuilder() {
    }

    /**

 *   <li>While waiting for new URLs to be added to the queue ({@link #delayForWaitingNewUrl()})</li>
 * </ul>
 *
 * <p>
 * Subclasses are responsible for implementing the abstract methods to define the actual delay
 * mechanism for each of these stages.
 * </p>
 *
 * <p>
 * The class also provides a mechanism to ignore exceptions that may occur during the delay process.

        inputStream.reset();
    }

    /**
     * Skips over and discards n bytes of data from this input stream.
     *
     * @param n the number of bytes to be skipped
     * @return the actual number of bytes skipped
     * @throws IOException if an I/O error occurs
     */
    @Override
    public long skip(final long n) throws IOException {
        return inputStream.skip(n);
    }

    /**

    /**
     * Retrieves response data from the FTP server for the specified URI.
     * This method handles the actual FTP operations including directory listing,
     * file retrieval, and metadata extraction.
     *
     * @param uri The URI to retrieve data from
     * @param includeContent Whether to include the actual content in the response
     * @return The response data containing the retrieved information

 *   <li>{@code STORAGE_SECRET_KEY}: The secret key for authentication.</li>
 *   <li>{@code STORAGE_REGION}: The region of the MinIO service.</li>
 * </ul>
 *
 * <p>
 * The {@link StorageURLConnection} class handles the actual connection and data retrieval from the storage service.
 * </p>
 */
public class Handler extends URLStreamHandler {

    /**
     * Constructs a new Handler.
     */
    public Handler() {