/// <summary>
/// Validates an <see cref="ODataFeed"/> to ensure all required information is specified and valid on the WriteEnd call.
/// </summary>
/// <param name="feed">The feed to validate.</param>
/// <param name="writingRequest">Flag indicating whether the feed is written as part of a request or a response.</param>
/// <param name="version">The version of the OData protocol used for checking.</param>
internal static void ValidateFeedAtEnd(ODataFeed feed, bool writingRequest, ODataVersion version)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(feed != null, "feed != null");
// Verify next link
if (feed.NextPageLink != null)
{
// Check that NextPageLink is not set for requests
if (writingRequest)
{
throw new ODataException(Strings.WriterValidationUtils_NextPageLinkInRequest);
}
// Verify version requirements
ODataVersionChecker.CheckNextLink(version);
}
// Verify Delta link, writingRequest is not verfied in order to be consistent with the behavior in Json.
if (feed.DeltaLink != null)
{
// Verify version requirements
ODataVersionChecker.CheckDeltaLink(version);
}
}
private void VerifyEntityReferenceLinksHeaders(ODataEntityReferenceLinks links)
{
if (links.Count.HasValue)
{
ODataVersionChecker.CheckCount(this.settings.Version.Value);
}
if (links.NextPageLink != null)
{
ODataVersionChecker.CheckNextLink(this.settings.Version.Value);
}
}
internal static void ValidateFeedAtEnd(ODataFeed feed, bool writingRequest, ODataVersion version)
{
if (feed.NextPageLink != null)
{
if (writingRequest)
{
throw new ODataException(Microsoft.Data.OData.Strings.WriterValidationUtils_NextPageLinkInRequest);
}
ODataVersionChecker.CheckNextLink(version);
}
}