Acp.UseCanonicalNameModule.GetConfig C# (CSharp) 메소드

        private void GetConfig()
        {
            _log.Debug("Init: reading configuration from " + _appRoot + "/web.config");

            // Assume web.config is in app root. This may be fragile; I don't know enough about
            // all the configuration permutations of IIS. Possible to not have a web.config in an app root?
            System.Configuration.Configuration rootWebConfig1 =
                System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration(_appRoot + "/Web.config");

            // Tried to use app settings, get nullObject excetption when try to iterate through config
            //AppSettingsSection appSettings =
            //        System.Web.Configuration.WebConfigurationManager.GetWebApplicationSection("appSettings")
            //        as AppSettingsSection;

               // foreach (string key in appSettings.Settings.AllKeys)
               // {
               //     _log.Debug("appSettings: " + key + ": " + appSettings.Settings[key]);
               // }

            if (rootWebConfig1.AppSettings.Settings.Count > 0)
            {
                System.Configuration.KeyValueConfigurationElement canonicalSettingConfig =
                    rootWebConfig1.AppSettings.Settings["UseCanonicalName"];

                System.Configuration.KeyValueConfigurationElement serverNameConfig =
                    rootWebConfig1.AppSettings.Settings["ServerName"];

                if (serverNameConfig.Value != null
                    && canonicalSettingConfig.Value != null
                    && string.Equals(canonicalSettingConfig.Value, "On", StringComparison.CurrentCultureIgnoreCase))
                {

                    _useCanonicalName = true;
                    _canonicalServerName = serverNameConfig.Value;
                    _log.Debug("Config found, server name is " + _canonicalServerName);
                }
                else
                {
                    _log.Warn("No valid config found for UseCanonicalName");

                }
            }
            else
            {
                _log.Warn("Empty or non-existent web.config: rootWebConfig1.AppSettings.Settings.Count <= 0");
            }
        }