/// <summary>
/// Reads the headers of a part.
/// </summary>
/// <returns>true if the start of a changeset part was detected; otherwise false.</returns>
internal bool ProcessPartHeader()
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(this.batchEncoding != null, "Batch encoding should have been established on first call to SkipToBoundary.");
bool isChangeSetPart;
ODataBatchOperationHeaders headers = this.ReadPartHeaders(out isChangeSetPart);
if (isChangeSetPart)
{
// determine the changeset boundary and the changeset encoding from the content type header
this.DetermineChangesetBoundaryAndEncoding(headers[ODataConstants.ContentTypeHeader]);
if (this.changesetEncoding == null)
{
// NOTE: No changeset encoding was specified in the changeset's content type header.
// Determine the changeset encoding from the first bytes in the changeset.
// NOTE: We do not have to skip over the potential preamble of the encoding
// because the batch reader will skip over everything (incl. the preamble)
// until it finds the first changeset (or batch) boundary
this.changesetEncoding = this.DetectEncoding();
}
// Verify that we only allow single byte encodings and UTF-8 for now.
ReaderValidationUtils.ValidateEncodingSupportedInBatch(this.changesetEncoding);
}
return(isChangeSetPart);
}
private void EnsureBatchEncoding()
{
if (this.batchEncoding == null)
{
this.batchEncoding = this.DetectEncoding();
}
ReaderValidationUtils.ValidateEncodingSupportedInBatch(this.batchEncoding);
}
/// <summary>
/// Ensure that a batch encoding exists; if not, detect it from the first couple of bytes of the stream.
/// </summary>
private void EnsureBatchEncoding()
{
// If no batch encoding is specified we detect it from the first bytes in the buffer.
if (this.batchEncoding == null)
{
// NOTE: The batch encoding will only ever be null on the first call to this method which
// happens before the batch reader skips to the first boundary.
this.batchEncoding = this.DetectEncoding();
}
// Verify that we only allow single byte encodings and UTF-8 for now.
ReaderValidationUtils.ValidateEncodingSupportedInBatch(this.batchEncoding);
}
internal bool ProcessPartHeader()
{
bool flag;
ODataBatchOperationHeaders headers = this.ReadPartHeaders(out flag);
if (flag)
{
this.DetermineChangesetBoundaryAndEncoding(headers["Content-Type"]);
if (this.changesetEncoding == null)
{
this.changesetEncoding = this.DetectEncoding();
}
ReaderValidationUtils.ValidateEncodingSupportedInBatch(this.changesetEncoding);
}
return(flag);
}
