public static Exception ToIotHubClientContract()

in iothub/device/src/Transport/AmqpIot/AmqpIotErrorAdapter.cs [186:274]
79 lines of code
18 McCabe index (conditional complexity)

        public static Exception ToIotHubClientContract(Error error)
        {
            Exception retException;
            if (error == null)
            {
                retException = new IotHubException("Unknown error.");
                return retException;
            }

            string message = error.Description;

            string trackingId = null;
            if (error.Info != null
                && error.Info.TryGetValue(AmqpIotConstants.TrackingId, out trackingId))
            {
                message = $"{message}\r\nTracking Id:{trackingId}";
            }

            if (error.Condition.Equals(TimeoutError))
            {
                retException = new TimeoutException(message);
            }
            else if (error.Condition.Equals(AmqpErrorCode.NotFound))
            {
                retException = new DeviceNotFoundException(message, (Exception)null);
            }
            else if (error.Condition.Equals(AmqpErrorCode.NotImplemented))
            {
                retException = new NotSupportedException(message);
            }
            else if (error.Condition.Equals(MessageLockLostError))
            {
                retException = new DeviceMessageLockLostException(message);
            }
            else if (error.Condition.Equals(AmqpErrorCode.NotAllowed))
            {
                retException = new InvalidOperationException(message);
            }
            else if (error.Condition.Equals(AmqpErrorCode.UnauthorizedAccess))
            {
                retException = new UnauthorizedException(message);
            }
            else if (error.Condition.Equals(ArgumentError))
            {
                retException = new ArgumentException(message);
            }
            else if (error.Condition.Equals(ArgumentOutOfRangeError))
            {
                retException = new ArgumentOutOfRangeException(message);
            }
            else if (error.Condition.Equals(AmqpErrorCode.MessageSizeExceeded))
            {
                retException = new MessageTooLargeException(message);
            }
            else if (error.Condition.Equals(AmqpErrorCode.ResourceLimitExceeded))
            {
                // Note: The DeviceMaximumQueueDepthExceededException is not supposed to be thrown here as it is being mapped to the incorrect error code
                // Error code 403004 is only applicable to C2D (Service client); see https://docs.microsoft.com/azure/iot-hub/iot-hub-troubleshoot-error-403004-devicemaximumqueuedepthexceeded
                // Error code 403002 is applicable to D2C (Device client); see https://docs.microsoft.com/azure/iot-hub/iot-hub-troubleshoot-error-403002-iothubquotaexceeded
                // We have opted not to change the exception type thrown here since it will be a breaking change, alternatively, we are adding the correct exception type
                // as the inner exception.
                retException = new DeviceMaximumQueueDepthExceededException(
                    $"Please check the inner exception for more information.\n " +
                    $"The correct exception type is `{nameof(QuotaExceededException)}` " +
                    $"but since that is a breaking change to the current behavior in the SDK, you can refer to the inner exception " +
                    $"for more information. Exception message: {message}",
                    new QuotaExceededException(message));
            }
            else if (error.Condition.Equals(DeviceContainerThrottled))
            {
                retException = new IotHubThrottledException(message, null);
            }
            else if (error.Condition.Equals(IotHubSuspended))
            {
                retException = new IotHubSuspendedException(message);
            }
            else
            {
                retException = new IotHubException(message);
            }

            if (trackingId != null
                && retException is IotHubException hubEx)
            {
                hubEx.TrackingId = trackingId;
            }

            return retException;
        }