Crawler.MovieCrawler.CrawlPosters C# (CSharp) Method

        public List<string> CrawlPosters(string url, string movieName, ref string thumbnailPath)
        {
            List<string> posters = new List<string>();

            try
            {
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
                HttpWebResponse response = (HttpWebResponse)request.GetResponse();

                if (response.StatusCode == HttpStatusCode.OK)
                {
                    Stream receiveStream = response.GetResponseStream();
                    StreamReader readStream = null;
                    if (response.CharacterSet == null)
                        readStream = new StreamReader(receiveStream);
                    else
                        readStream = new StreamReader(receiveStream, Encoding.GetEncoding(response.CharacterSet));

                    string data = readStream.ReadToEnd();

                    posters = GetPosters(data, movieName, ref posters, ref thumbnailPath);

                    response.Close();
                    readStream.Close();
                }
            }
            catch (Exception ex)
            {
                Debug.WriteLine("Error Url:" + url);
                Debug.WriteLine("Message:" + ex.Message);
            }

            return posters;
        }

        private string GetArtistPosters(string url, string artistName, HtmlNode body)
        {
            string        thumbnailPath = string.Empty;
            MovieCrawler  movieCrawler  = new MovieCrawler();
            List <string> posters       = movieCrawler.CrawlPosters(url, artistName, ref thumbnailPath);

            return(JsonConvert.SerializeObject(posters));
        }