// check transformer name
        if (!getName().equals(accessResultData.getTransformerName())) {
            throw new CrawlerSystemException(
                    "Transformer is invalid. Use " + accessResultData.getTransformerName() + ". This transformer is " + getName() + ".");
        }
        final byte[] data = accessResultData.getData();
        if (data == null) {
            return null;
        }

     * This method delegates to {@link FileInputStream#mark(int)}.
     *
     * @param readlimit the maximum limit of bytes that can be read before the mark position becomes invalid
     */
    @Override
    public synchronized void mark(final int readlimit) {
        fileInputStream.mark(readlimit);
    }

    /**
     * Tests if this input stream supports the mark and reset methods.

        final Reader rd = new StringReader(inputStr);
        try (TokenStream stream = createTokenStream(rd)) {
            if (stream == null) {
                throw new IOException("Invalid tokenizer.");
            }
            stream.reset();

            int offset = 0;
            while (stream.incrementToken()) {

        }
        try {
            resultData.setData(path.getBytes(charsetName));
        } catch (final UnsupportedEncodingException e) {
            if (logger.isInfoEnabled()) {
                logger.info("Invalid charsetName: " + charsetName + ". Changed to " + Constants.UTF_8, e);
            }
            charsetName = Constants.UTF_8_CHARSET.name();
            resultData.setData(path.getBytes(Constants.UTF_8_CHARSET));
        }

        return inputStream.hashCode();
    }

    /**
     * Marks the current position in this input stream.
     *
     * @param readlimit the maximum limit of bytes that can be read before the mark position becomes invalid
     */
    @Override
    public synchronized void mark(final int readlimit) {
        inputStream.mark(readlimit);
    }

    /**
     * Tests if this input stream supports the mark and reset methods.
     *

    }

    /**
     * Creates and configures a DOM parser for parsing HTML content.
     *
     * @return a configured DOMParser instance
     * @throws CrawlerSystemException if the parser configuration is invalid
     */
    protected DOMParser getDomParser() {
        final DOMParser parser = new DOMParser();
        try {
            // feature

                                }
                            } catch (final NumberFormatException e) {
                                // ignore invalid crawl-delay values
                            }
                        }
                    } else if ((value = getValue(SITEMAP_RECORD, line)) != null && value.length() > 0) {

        Type2Message type2Message;
        try {
            type2Message = new Type2Message(Base64.getDecoder().decode(challenge));
        } catch (final IOException exception) {
            throw new NTLMEngineException("Invalid NTLM type 2 message", exception);
        }
        final int type2Flags = type2Message.getFlags();

    /**
     * Creates and configures a DOM parser with the specified features and properties.
     *
     * @return a configured DOM parser instance
     * @throws CrawlerSystemException if the parser configuration is invalid
     */
    protected DOMParser getDomParser() {
        final DOMParser parser = new DOMParser();
        try {
            // feature

            } catch (final URISyntaxException e) {
                throw new CrawlingAccessException("Invalid URL: " + s, e);
            }

            if (!"ftp".equals(uri.getScheme())) {
                throw new CrawlingAccessException("Invalid scheme: " + uri.getScheme());
            }

            final String path = uri.getPath();
            if (path == null) {