public AppConfigProcessor()

in src/Amazon.Extensions.Configuration.SystemsManager/AppConfig/AppConfigProcessor.cs [48:80]
28 lines of code
8 McCabe index (conditional complexity)

        public AppConfigProcessor(AppConfigConfigurationSource source)
        {
            Source = source;

            if (source.ApplicationId == null) throw new ArgumentNullException(nameof(source.ApplicationId));
            if (source.EnvironmentId == null) throw new ArgumentNullException(nameof(source.EnvironmentId));
            if (source.ConfigProfileId == null) throw new ArgumentNullException(nameof(source.ConfigProfileId));

            // Check to see if the function is being run inside Lambda. If it is not because it is running in a integ test or in the 
            // the .NET Lambda Test Tool the Lambda extension is not available and fallback to using the AppConfig service directly.
            if(Source.UseLambdaExtension && !string.IsNullOrEmpty(Environment.GetEnvironmentVariable("AWS_LAMBDA_FUNCTION_NAME")))
            {
                var port = Environment.GetEnvironmentVariable("AWS_APPCONFIG_EXTENSION_HTTP_PORT") ?? "2772";
                _lambdaExtensionUri = new Uri($"http://localhost:{port}/applications/{Source.ApplicationId}/environments/{Source.EnvironmentId}/configurations/{Source.ConfigProfileId}");
                _lambdaExtensionClient = source.CustomHttpClientForLambdaExtension ?? new HttpClient();
            }
            else
            {
                if(source.AwsOptions != null)
                {
                    _appConfigDataClient = source.AwsOptions.CreateServiceClient<IAmazonAppConfigData>();
                }
                else
                {
                    _appConfigDataClient = new AmazonAppConfigDataClient();
                }

                if (_appConfigDataClient is AmazonAppConfigDataClient impl)
                {
                    impl.BeforeRequestEvent += ServiceClientAppender.ServiceClientBeforeRequestEvent;
                }
            }
        }