/// <summary>
/// Returns the cached <see cref="ODataBatchOperationRequestMessage"/> for reading the content of an operation
/// in a batch request.
/// </summary>
/// <returns>The message that can be used to read the content of the batch request operation from.</returns>
private ODataBatchOperationRequestMessage CreateOperationRequestMessageImplementation()
{
this.operationState = OperationState.MessageCreated;
string requestLine = this.batchStream.ReadFirstNonEmptyLine();
string httpMethod;
Uri requestUri;
this.ParseRequestLine(requestLine, out httpMethod, out requestUri);
// Read all headers and create the request message
ODataBatchOperationHeaders headers = this.batchStream.ReadHeaders();
if (this.batchStream.ChangeSetBoundary != null)
{
if (this.allowLegacyContentIdBehaviour)
{
// Add a potential Content-ID header to the URL resolver so that it will be available
// to subsequent operations.
string contentId;
if (this.contentIdToAddOnNextRead == null && headers.TryGetValue(ODataConstants.ContentIdHeader, out contentId))
{
if (contentId != null && this.payloadUriConverter.ContainsContentId(contentId))
{
throw new ODataException(Strings.ODataBatchReader_DuplicateContentIDsNotAllowed(contentId));
}
this.contentIdToAddOnNextRead = contentId;
}
}
if (this.contentIdToAddOnNextRead == null)
{
throw new ODataException(Strings.ODataBatchOperationHeaderDictionary_KeyNotFound(ODataConstants.ContentIdHeader));
}
}
ODataBatchOperationRequestMessage requestMessage = ODataBatchOperationRequestMessage.CreateReadMessage(
this.batchStream,
httpMethod,
requestUri,
headers,
/*operationListener*/ this,
this.contentIdToAddOnNextRead,
this.payloadUriConverter,
this.container);
return(requestMessage);
}
