private static TopicProperties ParseFromEntryElement()

in sdk/servicebus/Azure.Messaging.ServiceBus/src/Administration/TopicPropertiesExtensions.cs [74:172]
92 lines of code
31 McCabe index (conditional complexity)

        private static TopicProperties ParseFromEntryElement(XElement xEntry, Response response)
        {
            var name = xEntry.Element(XName.Get("title", AdministrationClientConstants.AtomNamespace)).Value;
            var topicXml = xEntry.Element(XName.Get("content", AdministrationClientConstants.AtomNamespace))?
                .Element(XName.Get("TopicDescription", AdministrationClientConstants.ServiceBusNamespace));

            if (topicXml == null)
            {
                throw new ServiceBusException(
                    "Topic was not found",
                    ServiceBusFailureReason.MessagingEntityNotFound,
                    innerException: new RequestFailedException(response));
            }

            var topicProperties = new TopicProperties(name);
            foreach (var element in topicXml.Elements())
            {
                switch (element.Name.LocalName)
                {
                    case "DefaultMessageTimeToLive":
                        topicProperties.DefaultMessageTimeToLive = XmlConvert.ToTimeSpan(element.Value);
                        break;
                    case "MaxSizeInMegabytes":
                        topicProperties.MaxSizeInMegabytes = long.Parse(element.Value, CultureInfo.InvariantCulture);
                        break;
                    case "RequiresDuplicateDetection":
                        topicProperties.RequiresDuplicateDetection = bool.Parse(element.Value);
                        break;
                    case "DuplicateDetectionHistoryTimeWindow":
                        topicProperties.DuplicateDetectionHistoryTimeWindow = XmlConvert.ToTimeSpan(element.Value);
                        break;
                    case "EnableBatchedOperations":
                        topicProperties.EnableBatchedOperations = bool.Parse(element.Value);
                        break;
                    case "FilteringMessagesBeforePublishing":
                        topicProperties.FilteringMessagesBeforePublishing = bool.Parse(element.Value);
                        break;
                    case "IsAnonymousAccessible":
                        topicProperties.IsAnonymousAccessible = bool.Parse(element.Value);
                        break;
                    case "AuthorizationRules":
                        topicProperties.AuthorizationRules = AuthorizationRules.ParseFromXElement(element);
                        break;
                    case "Status":
                        topicProperties.Status = element.Value;
                        break;
                    case "ForwardTo":
                        if (!string.IsNullOrWhiteSpace(element.Value))
                        {
                            topicProperties.ForwardTo = element.Value;
                        }
                        break;
                    case "UserMetadata":
                        topicProperties.UserMetadata = element.Value;
                        break;
                    case "SupportOrdering":
                        topicProperties.SupportOrdering = bool.Parse(element.Value);
                        break;
                    case "AutoDeleteOnIdle":
                        topicProperties.AutoDeleteOnIdle = XmlConvert.ToTimeSpan(element.Value);
                        break;
                    case "EnablePartitioning":
                        topicProperties.EnablePartitioning = bool.Parse(element.Value);
                        break;
                    case "EnableSubscriptionPartitioning":
                        topicProperties.EnableSubscriptionPartitioning = bool.Parse(element.Value);
                        break;
                    case "EnableExpress":
                        topicProperties.EnableExpress = bool.Parse(element.Value);
                        break;
                    case "MaxMessageSizeInKilobytes":
                        topicProperties.MaxMessageSizeInKilobytes = long.Parse(element.Value, CultureInfo.InvariantCulture);
                        break;
                    case "AccessedAt":
                    case "CreatedAt":
                    case "MessageCount":
                    case "SizeInBytes":
                    case "UpdatedAt":
                    case "CountDetails":
                    case "SubscriptionCount":
                    case "EntityAvailabilityStatus":
                    case "SkippedUpdate":
                        // Ignore known properties
                        // Do nothing
                        break;
                    default:
                        // For unknown properties, keep them as-is for forward proof.
                        if (topicProperties.UnknownProperties == null)
                        {
                            topicProperties.UnknownProperties = new List<XElement>();
                        }

                        topicProperties.UnknownProperties.Add(element);
                        break;
                }
            }

            return topicProperties;
        }