if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }
        final String content = params.getOrDefault(ExtractData.RESOURCE_NAME_KEY, StringUtil.EMPTY);
        try {
            return new ExtractData(content);
        } catch (final Exception e) {
            throw new ExtractException(e);
        }
    }

        if (cookieSpecRegistry != null) {
            return cookieSpecRegistry;
        }

        final PublicSuffixMatcher publicSuffixMatcher = PublicSuffixMatcherLoader.getDefault();
        final CookieSpecProvider defaultProvider =
                new DefaultCookieSpecProvider(CompatibilityLevel.DEFAULT, publicSuffixMatcher, cookieDatePatterns, false);