Opc.Ua.Security.SecurityConfigurationManager.UpdateDocument C# (CSharp) Method

        private static void UpdateDocument(XmlElement element, SecuredApplication application)
        {
            for (XmlNode node = element.FirstChild; node != null; node = node.NextSibling)
            {
                if (node.Name == "ApplicationName" && node.NamespaceURI == Namespaces.OpcUaConfig)
                {
                    node.InnerText = application.ApplicationName;
                    continue;
                }

                if (node.Name == "ApplicationUri" && node.NamespaceURI == Namespaces.OpcUaConfig)
                {
                    node.InnerText = application.ApplicationUri;
                    continue;
                }

                if (node.Name == "SecurityConfiguration" && node.NamespaceURI == Namespaces.OpcUaConfig)
                {
                    SecurityConfiguration security = (SecurityConfiguration)GetObject(typeof(SecurityConfiguration), node);

                    if (application.ApplicationCertificate != null)
                    {
                        security.ApplicationCertificate = SecuredApplication.FromCertificateIdentifier(application.ApplicationCertificate);
                    }

                    security.TrustedIssuerCertificates = SecuredApplication.FromCertificateStoreIdentifierToTrustList(application.IssuerCertificateStore);
                    security.TrustedIssuerCertificates.TrustedCertificates = SecuredApplication.FromCertificateList(application.IssuerCertificates);
                    security.TrustedPeerCertificates = SecuredApplication.FromCertificateStoreIdentifierToTrustList(application.TrustedCertificateStore);
                    security.TrustedPeerCertificates.TrustedCertificates = SecuredApplication.FromCertificateList(application.TrustedCertificates);
                    security.RejectedCertificateStore = SecuredApplication.FromCertificateStoreIdentifier(application.RejectedCertificatesStore);

                    node.InnerXml = SetObject(typeof(SecurityConfiguration), security);
                    continue;
                }

                if (node.Name == "ServerConfiguration" && node.NamespaceURI == Namespaces.OpcUaConfig)
                {
                    ServerConfiguration configuration = (ServerConfiguration)GetObject(typeof(ServerConfiguration), node);

                    SecuredApplication.FromListOfBaseAddresses(configuration, application.BaseAddresses);
                    configuration.SecurityPolicies = SecuredApplication.FromListOfSecurityProfiles(application.SecurityProfiles);

                    node.InnerXml = SetObject(typeof(ServerConfiguration), configuration);
                    continue;
                }

                else if (node.Name == "DiscoveryServerConfiguration" && node.NamespaceURI == Namespaces.OpcUaConfig)
                {
                    DiscoveryServerConfiguration configuration = (DiscoveryServerConfiguration)GetObject(typeof(DiscoveryServerConfiguration), node);

                    SecuredApplication.FromListOfBaseAddresses(configuration, application.BaseAddresses);
                    configuration.SecurityPolicies = SecuredApplication.FromListOfSecurityProfiles(application.SecurityProfiles);

                    node.InnerXml = SetObject(typeof(DiscoveryServerConfiguration), configuration);
                    continue;
                }
            }
        }