lastResponseData = responseData;

            if (responseData == null) {
                return null;
            }

            ResultData resultData = new ResultData();
            resultData.setTransformerName(name);
            // Store some dummy data
            resultData.setData("test data".getBytes());

            return resultData;
        }

        @Override

        } catch (final Exception e) {
            throw new CrawlingAccessException("Could not extract data.", e);
        }

        final ResultData resultData = new ResultData();
        resultData.setTransformerName(getName());
        try {
            resultData.setData(content.getBytes(charsetName));
        } catch (final UnsupportedEncodingException e) {
            if (logger.isInfoEnabled()) {

     * @throws OpenSearchAccessException if the data cannot be decoded.
     */
    public OpenSearchAccessResultData(final Map<String, Object> src) {
        setTransformerName((String) src.get(TRANSFORMER_NAME));
        setEncoding((String) src.get(ENCODING));
        final String dataStr = (String) src.get(DATA);
        if (dataStr != null) {
            try {

            if (accessResultData == null) {
                accessResultData = new AccessResultDataImpl<>();
                accessResultData.setTransformerName(Constants.NO_TRANSFORMER);
                accessResult.setAccessResultData(accessResultData);
            }
            accessResultData.setId(accessResult.getId());

            throw new CrawlingAccessException("No response body.");
        }

        final ResultData resultData = new ResultData();
        resultData.setTransformerName(getName());

        try (BufferedInputStream bis = new BufferedInputStream(responseData.getResponseBody())) {
            resultData.setData(IOUtils.toByteArray(bis));

        return transformerName;
    }

    /**
     * Set the transformer name.
     * @param transformerName the name of the transformer to set
     */
    public void setTransformerName(final String transformerName) {
        this.transformerName = transformerName;
    }

    /**
     * Get the child URL set.
     * @return childUrlSet
     */

            final ResultData resultData = new ResultData();
            resultData.setData(new byte[0]);
            resultData.setEncoding(Constants.UTF_8);
            resultData.setTransformerName(Constants.NO_TRANSFORMER);
            processResult(urlQueue, responseData, resultData);
        } else if (isSuccessful(responseData)) {
            if (transformer == null) {

     * @throws CrawlerSystemException if file storage fails
     */
    @Override
    public void storeData(final ResponseData responseData, final ResultData resultData) {
        resultData.setTransformerName(getName());

        initBaseDir();

        final String url = responseData.getUrl();
        final String path = getFilePath(url);

        synchronized (this) {

            }
            buf.append(getAdditionalData(responseData, doc));
            buf.append(getResultDataFooter());

            final ResultData resultData = new ResultData();
            resultData.setTransformerName(getName());

            final String data = buf.toString().trim();
            try {
                resultData.setData(data.getBytes(charsetName));
            } catch (final UnsupportedEncodingException e) {

            throw new CrawlingAccessException("No response body for URL: " + url + ". Cannot transform empty response.");
        }

        final ResultData resultData = new ResultData();
        resultData.setTransformerName(getName());
        try {
            resultData.setRawData(generateData(responseData));
            resultData.setSerializer(dataSerializer::fromObjectToBinary);
        } catch (final Exception e) {