ParseResponse method

@override Future<Object> ParseResponse(EwsServiceXmlReader reader)

Parses the response.

The reader.

Implementation

@override
Future<Object> ParseResponse(EwsServiceXmlReader reader) async {
  ServiceResponseCollection<TResponse> serviceResponses =
      new ServiceResponseCollection<TResponse>();

  await reader.ReadStartElementWithNamespace(
      XmlNamespace.Messages, XmlElementNames.ResponseMessages);

  for (int i = 0; i < this.GetExpectedResponseMessageCount(); i++) {
    // Read ahead to see if we've reached the end of the response messages early.
    await reader.Read();
    if (reader.IsEndElementWithNamespace(
        XmlNamespace.Messages, XmlElementNames.ResponseMessages)) {
      break;
    }

    TResponse response = this.CreateServiceResponse(reader.Service, i);

    await response.LoadFromXml(
        reader, this.GetResponseMessageXmlElementName());

    // Add the response to the list after it has been deserialized because the response
    // list updates an overall result as individual responses are added to it.
    serviceResponses.Add(response);
  }

  // If there's a general error in batch processing,
  // the server will return a single response message containing the error
  // (for example, if the SavedItemFolderId is bogus in a batch CreateItem
  // call). In this case, throw a ServiceResponseException. Otherwise this
  // is an unexpected server error.
  if (serviceResponses.Count < this.GetExpectedResponseMessageCount()) {
    if ((serviceResponses.Count == 1) &&
        (serviceResponses[0].Result == ServiceResult.Error)) {
      throw new ServiceResponseException(serviceResponses[0]);
    } else {
      throw new ServiceXmlDeserializationException("""string.Format(
                                  Strings.TooFewServiceReponsesReturned,
                                  this.GetResponseMessageXmlElementName(),
                                  this.GetExpectedResponseMessageCount(),
                                  serviceResponses.Count)""");
    }
  }

  await reader.ReadEndElementIfNecessary(
      XmlNamespace.Messages, XmlElementNames.ResponseMessages);

  return serviceResponses;
}