public NamespaceManager()

in src/Microsoft.Azure.NotificationHubs/NamespaceManager.cs [69:115]
42 lines of code
6 McCabe index (conditional complexity)

        public NamespaceManager(string connectionString, NotificationHubSettings settings)
        {
            if (string.IsNullOrWhiteSpace(connectionString))
            {
                throw new ArgumentNullException(nameof(connectionString));
            }

            _tokenProvider = SharedAccessSignatureTokenProvider.CreateSharedAccessSignatureTokenProvider(connectionString);
            var configurationManager = new KeyValueConfigurationManager(connectionString);
            _baseUri = GetBaseUri(configurationManager);
            settings = settings ?? new NotificationHubSettings();

            if (settings.HttpClient != null)
            {
                _httpClient = settings.HttpClient;
            }
            else if (settings.MessageHandler != null)
            {
                var httpClientHandler = settings.MessageHandler;
                _httpClient = new HttpClient(httpClientHandler);
            }
            else if (settings.Proxy != null)
            {
                var httpClientHandler = new HttpClientHandler();
                httpClientHandler.UseProxy = true;
                httpClientHandler.Proxy = settings.Proxy;
                _httpClient = new HttpClient(httpClientHandler);
            }
            else
            {
                _httpClient = new HttpClient();
            }

            if (settings.OperationTimeout == null)
            {
                OperationTimeout = TimeSpan.FromSeconds(60);
            }
            else
            {
                OperationTimeout = settings.OperationTimeout.Value;
            }

            _retryPolicy = settings.RetryOptions.ToRetryPolicy();

            _httpClient.Timeout = OperationTimeout;
            SetUserAgent();
        }