Example #1
0
        /// <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 ODataBatchOperationResponseMessage CreateOperationResponseMessageImplementation()
        {
            this.operationState = OperationState.MessageCreated;

            string responseLine = this.batchStream.ReadFirstNonEmptyLine();

            int statusCode = this.ParseResponseLine(responseLine);

            // Read all headers and create the response 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.urlResolver.ContainsContentId(contentId))
                        {
                            throw new ODataException(Strings.ODataBatchReader_DuplicateContentIDsNotAllowed(contentId));
                        }

                        this.contentIdToAddOnNextRead = contentId;
                    }
                }
            }

            // In responses we don't need to use our batch URL resolver, since there are no cross referencing URLs
            // so use the URL resolver from the batch message instead.
            ODataBatchOperationResponseMessage responseMessage = ODataBatchOperationResponseMessage.CreateReadMessage(
                this.batchStream,
                statusCode,
                headers,
                this.contentIdToAddOnNextRead,
                /*operationListener*/ this,
                this.urlResolver.BatchMessageUrlResolver);

            //// NOTE: Content-IDs for cross referencing are only supported in request messages; in responses
            ////       we allow a Content-ID header but don't process it (i.e., don't add the content ID to the URL resolver).

            return(responseMessage);
        }