/**
 * Extracts the filename from the parameters.
 */
public class FilenameExtractor extends AbstractExtractor {

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

    /**
     * Extracts the filename from the parameters.
     * @param in The input stream (not used).

    }

    /**
     * Constructs a new CrawlerSystemException with the specified detail message.
     *
     * @param message the detail message. The detail message is saved for later retrieval by the {@link #getMessage()} method.
     */
    public CrawlerSystemException(final String message) {
        super(message);
    }

    /**
     * Constructs a new CrawlerSystemException with the specified cause.
     *

 */
public class FtpAuthenticationHolder {
    List<FtpAuthentication> authenticationList = new ArrayList<>();

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

    /**
     * Adds an FtpAuthentication object to the holder.
     * @param auth The FtpAuthentication object to add.
     */

 * @author shinsuke
 */
public class FtpAuthentication {
    private static final Logger logger = LogManager.getLogger(FtpAuthentication.class);

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

    private String server;

    private int port;

    private String username;

    private String password;

    /**

 * The class provides methods to add, retrieve, and manage these limits.
 */
public class ContentLengthHelper {
    /**
     * Constructs a new ContentLengthHelper.
     */
    public ContentLengthHelper() {
        // Default constructor
    }

    /** Default maximum content length set to 10MB */
    protected long defaultMaxLength = 10L * 1024L * 1024L;

 *
 * @param <T> the type of the pooled object
 */
public class CrawlerPooledObjectFactory<T> extends BasePooledObjectFactory<T> {
    /**
     * Constructs a new CrawlerPooledObjectFactory.
     */
    public CrawlerPooledObjectFactory() {
        // Default constructor
    }

    /**
     * The container that provides crawler components.
     */
    @Resource
    protected CrawlerContainer crawlerContainer;

    /** The extracted content text */
    protected String content;

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

    /**
     * Constructs a new ExtractData with the specified content.
     *
     * @param content the content to set
     */
    public ExtractData(final String content) {

 * of crawler client factories with a configurable maximum size.
 * </p>
 *
 */
public class CrawlerClientCreator {
    /**
     * Constructs a new CrawlerClientCreator.
     */
    public CrawlerClientCreator() {
        // Default constructor
    }

    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(CrawlerClientCreator.class);

 * for the queue, data, and filter indices used by the crawler.
 */
public class OpenSearchCrawlerConfig {
    /**
     * Constructs a new OpenSearchCrawlerConfig.
     */
    public OpenSearchCrawlerConfig() {
        // Default constructor
    }

    /**
     * Queue index name.
     */
    protected String queueIndex = ".crawler.queue";

    /**
     * Data index name.
     */

     * exceptions will be re-thrown as {@link CrawlerSystemException}.
     * Default value is true.
     */
    protected boolean ignoreException = true;

    /**
     * Constructs a new AbstractIntervalController.
     */
    public AbstractIntervalController() {
        // NOP
    }

    /*
     * (non-Javadoc)
     *