Cmis.Utility.ConnectionFactory.ParseURL C# (CSharp) Метод

        internal static void ParseURL(string url, out string username, out string password,
                                      out string rawURL)
        {
            username = "";
            password = "";
            rawURL = "";
            if (String.IsNullOrWhiteSpace(url))
            {
                throw new ArgumentException("URL is null or empty");
            }
            var protSplit = url.IndexOf("://");
            if (protSplit < 1)
            {
                throw new ArgumentException(
                    String.Format("URL '{0}' contains invalid protocol", url));
            }
            string protocol = url.Substring(0, protSplit + 3);
            string urlRest = url.Substring(protSplit + 3);

            int usersplit = urlRest.IndexOf("@");
            if (usersplit < 0) //no user name and password
            {
                rawURL = url;
                return;
            }
            // else we have user (and probably pw) set
            rawURL = protocol + urlRest.Substring(usersplit + 1);
            var userAndPw = urlRest.Substring(0, usersplit);

            var pwsplit = userAndPw.IndexOf(":");
            if (pwsplit < 0) //only user provided
            {
                username = userAndPw;
                return;
            }
            username = userAndPw.Substring(0, pwsplit);
            password = userAndPw.Substring(pwsplit + 1);
        }