*/
public class SitemapsHelper {
    private static final Logger logger = LogManager.getLogger(SitemapsHelper.class);

    /** The size of the preload buffer for checking file format. */
    protected int preloadSize = 512;

    /**
     * Creates a new SitemapsHelper instance.
     */
    public SitemapsHelper() {
        // Default constructor
    }

    /**

     */
    @Override
    public void process(final ResponseData responseData) {
        final SitemapsHelper sitemapsHelper = crawlerContainer.getComponent("sitemapsHelper");
        try (final InputStream responseBody = responseData.getResponseBody()) {
            final SitemapSet sitemapSet = sitemapsHelper.parse(responseBody);
            final Set<RequestData> requestDataSet = new LinkedHashSet<>();

        if (super.match(responseData)) {
            try (final InputStream is = responseData.getResponseBody()) {
                final SitemapsHelper sitemapsHelper = crawlerContainer.getComponent("sitemapsHelper");
                return sitemapsHelper.isValid(is);
            } catch (final CrawlingAccessException e) {
                throw e;
            } catch (final Exception e) {

                .singleton("urlConvertHelper", UrlConvertHelper.class)
                .singleton("intervalController", DefaultIntervalController.class)
                .singleton("sitemapsHelper", SitemapsHelper.class)
                .singleton("logHelper", LogHelperImpl.class)
                .singleton("encodingHelper", EncodingHelper.class)
                .singleton("contentLengthHelper", ContentLengthHelper.class)