private ODataBatchOperationHeaders ValidatePartHeaders(ODataBatchOperationHeaders headers, out bool isChangeSetPart)
{
string str;
if (!headers.TryGetValue("Content-Type", out str))
{
throw new ODataException(Strings.ODataBatchReaderStream_MissingContentTypeHeader);
}
if (MediaTypeUtils.MediaTypeAndSubtypeAreEqual(str, "application/http"))
{
string str2;
isChangeSetPart = false;
if (!headers.TryGetValue("Content-Transfer-Encoding", out str2) || (string.Compare(str2, "binary", StringComparison.OrdinalIgnoreCase) != 0))
{
throw new ODataException(Strings.ODataBatchReaderStream_MissingOrInvalidContentEncodingHeader("Content-Transfer-Encoding", "binary"));
}
return(headers);
}
if (!MediaTypeUtils.MediaTypeStartsWithTypeAndSubtype(str, "multipart/mixed"))
{
throw new ODataException(Strings.ODataBatchReaderStream_InvalidContentTypeSpecified("Content-Type", str, "multipart/mixed", "application/http"));
}
isChangeSetPart = true;
if (this.changesetBoundary != null)
{
throw new ODataException(Strings.ODataBatchReaderStream_NestedChangesetsAreNotSupported);
}
return(headers);
}
/// <summary>
/// Validates the headers that have been read for a part.
/// </summary>
/// <param name="headers">The set of headers to validate.</param>
/// <param name="isChangeSetPart">true if the headers indicate a changset part; otherwise false.</param>
/// <returns>The set of validated headers.</returns>
/// <remarks>
/// An operation part is required to have content type 'application/http' and content transfer
/// encoding 'binary'. A changeset is required to have content type 'multipart/mixed'.
/// Note that we allow additional headers for batch parts; clients of the library can choose
/// to be more strict.
/// </remarks>
private ODataBatchOperationHeaders ValidatePartHeaders(ODataBatchOperationHeaders headers, out bool isChangeSetPart)
{
string contentType;
if (!headers.TryGetValue(ODataConstants.ContentTypeHeader, out contentType))
{
throw new ODataException(Strings.ODataBatchReaderStream_MissingContentTypeHeader);
}
if (MediaTypeUtils.MediaTypeAndSubtypeAreEqual(contentType, MimeConstants.MimeApplicationHttp))
{
isChangeSetPart = false;
// An operation part is required to have application/http content type and
// binary content transfer encoding.
string transferEncoding;
if (!headers.TryGetValue(ODataConstants.ContentTransferEncoding, out transferEncoding) ||
string.Compare(transferEncoding, ODataConstants.BatchContentTransferEncoding, StringComparison.OrdinalIgnoreCase) != 0)
{
throw new ODataException(Strings.ODataBatchReaderStream_MissingOrInvalidContentEncodingHeader(
ODataConstants.ContentTransferEncoding,
ODataConstants.BatchContentTransferEncoding));
}
}
else if (MediaTypeUtils.MediaTypeStartsWithTypeAndSubtype(contentType, MimeConstants.MimeMultipartMixed))
{
isChangeSetPart = true;
if (this.changesetBoundary != null)
{
// Nested changesets are not supported
throw new ODataException(Strings.ODataBatchReaderStream_NestedChangesetsAreNotSupported);
}
}
else
{
throw new ODataException(Strings.ODataBatchReaderStream_InvalidContentTypeSpecified(
ODataConstants.ContentTypeHeader,
contentType,
MimeConstants.MimeMultipartMixed,
MimeConstants.MimeApplicationHttp));
}
return(headers);
}
