assertTrue(processor.isNotModified(responseData));

        responseData.setHttpStatusCode(100);
        assertFalse(processor.isNotModified(responseData));
        responseData.setHttpStatusCode(200);
        assertFalse(processor.isNotModified(responseData));
        responseData.setHttpStatusCode(404);
        assertFalse(processor.isNotModified(responseData));
    }

     *
     * @param responseData the response data to process
     */
    @Override
    public void process(final ResponseData responseData) {
        if (isNotModified(responseData)) {
            final UrlQueue<?> urlQueue = CrawlingParameterUtil.getUrlQueue();
            final ResultData resultData = new ResultData();
            resultData.setData(new byte[0]);