public Boolean ReadConfigurations()

in apps/samplecode/automotive/apisamples/Microsoft.Dynamics.Automotive.Samples/helpercode/CrmServiceHelpers.cs [382:444]
58 lines of code
20 McCabe index (conditional complexity)

        public Boolean ReadConfigurations()
        {
            Boolean isConfigExist = false;

            if (configurations == null)
                configurations = new List<Configuration>();

            if (File.Exists(CrmServiceHelperConstants.ServerCredentialsFile))
            {
                XElement configurationsFromFile = 
                    XElement.Load(CrmServiceHelperConstants.ServerCredentialsFile);
                foreach (XElement config in configurationsFromFile.Nodes())
                {
                    Configuration newConfig = new Configuration();
                    var serverAddress = config.Element("ServerAddress");
                    if (serverAddress != null)
                        if (!String.IsNullOrEmpty(serverAddress.Value))
                            newConfig.ServerAddress = serverAddress.Value;
                    var organizationName = config.Element("OrganizationName");
                    if (organizationName != null)
                        if (!String.IsNullOrEmpty(organizationName.Value))
                            newConfig.OrganizationName = organizationName.Value;
                    var discoveryUri = config.Element("DiscoveryUri");
                    if (discoveryUri != null)
                        if (!String.IsNullOrEmpty(discoveryUri.Value))
                            newConfig.DiscoveryUri = new Uri(discoveryUri.Value);
                    var organizationUri = config.Element("OrganizationUri");
                    if (organizationUri != null)
                        if (!String.IsNullOrEmpty(organizationUri.Value))
                            newConfig.OrganizationUri = new Uri(organizationUri.Value);
                    var homeRealmUri = config.Element("HomeRealmUri");
                    if (homeRealmUri != null)
                        if (!String.IsNullOrEmpty(homeRealmUri.Value))
                            newConfig.HomeRealmUri = new Uri(homeRealmUri.Value);

                    var vendpointType = config.Element("EndpointType");
                    if (vendpointType != null)
                        newConfig.EndpointType =
                                RetrieveAuthenticationType(vendpointType.Value);
                    if (config.Element("Credentials").HasElements)
                    {
                        newConfig.Credentials =
                            ParseInCredentials(config.Element("Credentials"), 
                            newConfig.EndpointType,
                            newConfig.ServerAddress + ":" + newConfig.OrganizationName + ":" + config.Element("Credentials").Element("UserName").Value);
                    }
                    if (newConfig.EndpointType == AuthenticationProviderType.LiveId)
                    {
                        newConfig.DeviceCredentials = GetDeviceCredentials();
                    }
                    var userPrincipalName = config.Element("UserPrincipalName");
                    if (userPrincipalName != null)
                        if (!String.IsNullOrWhiteSpace(userPrincipalName.Value))
                            newConfig.UserPrincipalName = userPrincipalName.Value;
                    configurations.Add(newConfig);
                }
            }

            if (configurations.Count > 0)
                isConfigExist = true;

            return isConfigExist;
        }