ResponseData responseData = new ResponseData();
        Map<String, Object> dataMap = new HashMap<>();
        assertEquals("", documentHelper.getContent(null, responseData, null, dataMap));
        assertEquals("", documentHelper.getContent(null, responseData, "", dataMap));
        assertEquals("", documentHelper.getContent(null, responseData, " ", dataMap));

            }
            ResponseData responseData = new ResponseData();
            responseData.setCharSet("UTF-8");
            responseData.setContentLength(data.length());
            responseData.setExecutionTime(1000L);
            responseData.setHttpStatusCode(200);
            responseData.setLastModified(new Date());
            responseData.setMethod("GET");

                responseData.setCharSet(charset);
                responseData.setContentLength(0);
            } else if (file.isFile()) {
                // check file size
                responseData.setContentLength(file.length());
                checkMaxContentLength(responseData);

                parseFileOwnerAttribute(responseData, file);

                responseData.setHttpStatusCode(Constants.OK_STATUS_CODE);

     *
     * @param responseData the response data from the crawled resource
     * @param resultData the result data to be processed
     * @return the access result containing the processed data
     */
    @Override
    protected AccessResult<?> createAccessResult(final ResponseData responseData, final ResultData resultData) {
        return super.createAccessResult(responseData, ingest(responseData, resultData));
    }

        responseData.setExecutionTime(500L);
        assertEquals(500L, responseData.getExecutionTime());
    }

    @Test
    public void test_responseData_parentUrl() {
        final ResponseData responseData = new ResponseData();

        assertNull(responseData.getParentUrl());
        responseData.setParentUrl("http://example.com/parent");

     * @param responseData The response data.
     */
    protected void checkMaxContentLength(final ResponseData responseData) {
        if (maxContentLength != null && responseData.getContentLength() > maxContentLength.longValue()) {
            throw new MaxLengthExceededException("The content length (" + responseData.getContentLength() + " byte) is over "

     * Get the extractor.
     * @param responseData The response data.
     * @return The extractor.
     */
    protected abstract Extractor getExtractor(ResponseData responseData);

    @Override
    public ResultData transform(final ResponseData responseData) {
        if (responseData == null || !responseData.hasResponseBody()) {
            final String url = responseData != null ? responseData.getUrl() : "unknown";

     */
    protected ResponseData getResponseData(final String uri, final boolean includeContent) {
        if (logger.isDebugEnabled()) {
            logger.debug("Accessing GCS object: uri={}, includeContent={}", uri, includeContent);
        }
        final ResponseData responseData = new ResponseData();
        try {

     *
     * @param responseData the response data containing the document to extract
     * @return the extractor instance for processing the document
     * @throws FessSystemException if no suitable extractor can be found
     */
    @Override
    protected Extractor getExtractor(final ResponseData responseData) {

     *
     * @param responseData The response data from the crawl operation.
     * @param resultData The result data from content processing.
     */
    @Override
    public void init(final ResponseData responseData, final ResultData resultData) {

        setCreateTime(System.currentTimeMillis());
        if (responseData != null) {
            BeanUtil.copyBeanToBean(responseData, this);