responseData.setParentUrl(urlQueue.getParentUrl());
                            responseData.setSessionId(crawlerContext.sessionId);

                            if (responseData.getRedirectLocation() == null) {
                                log(logHelper, LogType.PROCESS_RESPONSE, crawlerContext, urlQueue, responseData);
                                processResponse(urlQueue, responseData);
                            } else {

    @Override
    public ResultData transform(final ResponseData responseData) {
        if (responseData == null || !responseData.hasResponseBody()) {
            throw new CrawlingAccessException("No response body.");
        }

        // encoding
        updateCharset(responseData);

        final ResultData resultData = new ResultData();

        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));

        // NOP
    }

    /**
     * Transforms the given ResponseData into a ResultData containing binary content.
     * @param responseData The response data to be transformed.
     * @return The transformed ResultData.
     */
    @Override
    public ResultData transform(final ResponseData responseData) {
        if (responseData == null || !responseData.hasResponseBody()) {

     */
    public List<String> getFileRoleTypeList(final ResponseData responseData) {
        final List<String> roleTypeList = new ArrayList<>();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (fessConfig.isFileRoleFromFile() && responseData.getUrl().startsWith("file:")) {
            final Map<String, Object> metaDataMap = responseData.getMetaDataMap();

            assertNull(responseData.getResponseBody());
        }
        try (final ResponseData responseData = smbClient.doHead(baseUrl + "dir1/dir2/file3.txt")) {
            assertEquals(0, responseData.getStatus());
            assertEquals(200, responseData.getHttpStatusCode());
            assertEquals(5, responseData.getContentLength());
            assertEquals(baseUrl + "dir1/dir2/file3.txt", responseData.getUrl());

     */
    protected ResponseData getResponseData(final String uri, final boolean includeContent) {
        final ResponseData responseData = new ResponseData();
        FTPClient client = null;
        try {
            responseData.setMethod(Constants.GET_METHOD);

            final FtpInfo ftpInfo = new FtpInfo(uri, charset);
            responseData.setUrl(ftpInfo.toUrl());

    }

    private ResponseData getTestData1() {
        final ResponseData responseData = new ResponseData();
        responseData.setHttpStatusCode(200);
        responseData.setUrl("http://example.com/");
        responseData.setMimeType("text/html");
        return responseData;
    }

    private ResponseData getTestData2() {
        final ResponseData responseData = new ResponseData();

                if (responseData == null) {
                    // head method
                    responseData = client.execute(RequestDataBuilder.newRequestData().head().url(url).build());
                    if (responseData == null) {
                        return true;
                    }
                }

                final int httpStatusCode = responseData.getHttpStatusCode();

            }
            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");