/// <summary>
/// Creates a batch operation stream from the specified batch stream.
/// </summary>
/// <param name="batchReaderStream">The batch stream to create the operation read stream for.</param>
/// <param name="headers">The headers of the current part; based on the header we create different, optimized stream implementations.</param>
/// <param name="operationListener">The operation listener to be passed to the newly created read stream.</param>
/// <returns>A new <see cref="ODataBatchOperationReadStream"/> instance.</returns>
internal static ODataBatchOperationReadStream CreateBatchOperationReadStream(
ODataBatchReaderStream batchReaderStream,
ODataBatchOperationHeaders headers,
IODataBatchOperationListener operationListener)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(batchReaderStream != null, "batchReaderStream != null");
Debug.Assert(operationListener != null, "operationListener != null");
// See whether we have a Content-Length header
string contentLengthValue;
if (headers.TryGetValue(ODataConstants.ContentLengthHeader, out contentLengthValue))
{
int length = Int32.Parse(contentLengthValue, CultureInfo.InvariantCulture);
if (length < 0)
{
throw new ODataException(Strings.ODataBatchReaderStream_InvalidContentLengthSpecified(contentLengthValue));
}
return(ODataBatchOperationReadStream.Create(batchReaderStream, operationListener, length));
}
return(ODataBatchOperationReadStream.Create(batchReaderStream, operationListener));
}
internal static ODataBatchOperationReadStream CreateBatchOperationReadStream(ODataBatchReaderStream batchReaderStream, ODataBatchOperationHeaders headers, IODataBatchOperationListener operationListener)
{
string str;
if (!headers.TryGetValue("Content-Length", out str))
{
return(ODataBatchOperationReadStream.Create(batchReaderStream, operationListener));
}
int length = int.Parse(str, CultureInfo.InvariantCulture);
if (length < 0)
{
throw new ODataException(Strings.ODataBatchReaderStream_InvalidContentLengthSpecified(str));
}
return(ODataBatchOperationReadStream.Create(batchReaderStream, operationListener, length));
}