fCraft.Updater.CheckForUpdates C# (CSharp) Method

        public static UpdaterResult CheckForUpdates()
        {
            UpdaterMode mode = ConfigKey.UpdaterMode.GetEnum<UpdaterMode>();
            if ( mode == UpdaterMode.Disabled )
                return UpdaterResult.NoUpdate;

            string url = String.Format( UpdateUrl, CurrentRelease.Revision );
            if ( RaiseCheckingForUpdatesEvent( ref url ) )
                return UpdaterResult.NoUpdate;

            Logger.Log( LogType.SystemActivity, "Checking for 800Craft updates..." );
            try {
                HttpWebRequest request = ( HttpWebRequest )WebRequest.Create( url );

                request.Method = "GET";
                request.UserAgent = "800Craft";
                request.Timeout = UpdateCheckTimeout;
                request.ReadWriteTimeout = UpdateCheckTimeout;
                request.CachePolicy = new HttpRequestCachePolicy( HttpRequestCacheLevel.BypassCache );
                request.UserAgent = UserAgent;

                using ( WebResponse response = request.GetResponse() ) {
                    // ReSharper disable AssignNullToNotNullAttribute
                    // ReSharper disable PossibleNullReferenceException
                    using ( XmlTextReader reader = new XmlTextReader( response.GetResponseStream() ) ) {
                        // ReSharper restore AssignNullToNotNullAttribute
                        XDocument doc = XDocument.Load( reader );
                        XElement root = doc.Root;
                        if ( root.Attribute( "result" ).Value == "update" ) {
                            string downloadUrl = root.Attribute( "url" ).Value;
                            var releases = new List<ReleaseInfo>();
                            // ReSharper disable LoopCanBeConvertedToQuery
                            foreach ( XElement el in root.Elements( "Release" ) ) {
                                releases.Add(
                                    new ReleaseInfo(
                                        Int32.Parse( el.Attribute( "v" ).Value ),
                                        Int32.Parse( el.Attribute( "r" ).Value ),
                                        Int64.Parse( el.Attribute( "date" ).Value ).ToDateTime(),
                                        el.Element( "Summary" ).Value,
                                        el.Element( "ChangeLog" ).Value,
                                        ReleaseInfo.StringToReleaseFlags( el.Attribute( "flags" ).Value )
                                    )
                                );
                            }
                            // ReSharper restore LoopCanBeConvertedToQuery
                            // ReSharper restore PossibleNullReferenceException
                            UpdaterResult result = new UpdaterResult( ( releases.Count > 0 ), new Uri( downloadUrl ),
                                                                      releases.ToArray() );
                            RaiseCheckedForUpdatesEvent( UpdateUrl, result );
                            return result;
                        } else {
                            return UpdaterResult.NoUpdate;
                        }
                    }
                }
            } catch ( Exception ex ) {
                Logger.Log( LogType.Error,
                            "An error occured while trying to check for updates: {0}: {1}",
                            ex.GetType(), ex.Message );
                return UpdaterResult.NoUpdate;
            }
        }