List<RequestData> urlList = new ArrayList<>();

        urlList = fessXpathTransformer.convertChildUrlList(urlList);
        assertEquals(0, urlList.size());

        urlList.clear();
        urlList.add(RequestDataBuilder.newRequestData().get().url("http://www.example.com").build());
        urlList = fessXpathTransformer.convertChildUrlList(urlList);
        assertEquals(1, urlList.size());

            List<String> urlList = new ArrayList<>(docList.size());
            for (final Map<String, Object> doc : docList) {
                final String urlObj = DocumentUtil.getValue(doc, fessConfig.getIndexFieldUrl(), String.class);
                if (urlObj != null) {
                    urlList.add(urlObj);
                }
            }
            urlList = favoriteLogService.getUrlList(userCode, urlList);

     *
     * @param urlList the list of request data containing URLs to convert
     * @return the converted list of request data
     */
    @Override
    protected List<RequestData> convertChildUrlList(final List<RequestData> urlList) {
        if (urlList != null) {
            final PathMappingHelper pathMappingHelper = getPathMappingHelper();

      useSslSocketFactory = this.sslSocketFactoryOrNull
      useHostnameVerifier = this.hostnameVerifier
      useCertificatePinner = this.certificatePinner
    }

    return Address(
      uriHost = url.host,
      uriPort = url.port,
      dns = dns,
      socketFactory = socketFactory,
      sslSocketFactory = useSslSocketFactory,
      hostnameVerifier = useHostnameVerifier,