/// <summary>
/// Gets the expected payload type for a request to the given uri
/// </summary>
/// <param name="requestUri">The request uri</param>
/// <returns>The expected payload type</returns>
public static ODataPayloadElementType GetExpectedPayloadType(this ODataUri requestUri)
{
if (requestUri.Segments.OfType <UnrecognizedSegment>().Any())
{
return(ODataPayloadElementType.Unknown);
}
if (requestUri.IsMetadata())
{
return(ODataPayloadElementType.MetadataPayloadElement);
}
if (requestUri.IsBatch())
{
return(ODataPayloadElementType.BatchResponsePayload);
}
if (requestUri.IsCount() || requestUri.IsPropertyValue() || requestUri.IsMediaResource() || requestUri.IsNamedStream())
{
return(ODataPayloadElementType.PrimitiveValue);
}
if (requestUri.IsEntity())
{
return(ODataPayloadElementType.EntityInstance);
}
if (requestUri.IsEntitySet())
{
return(ODataPayloadElementType.EntitySetInstance);
}
if (requestUri.IsEntityReferenceLink())
{
return(requestUri.GetExpectedLinkPayloadType());
}
if (requestUri.IsProperty())
{
var property = requestUri.Segments.OfType <PropertySegment>().Last();
return(property.Property.GetExpectedPayloadType());
}
if (requestUri.IsServiceOperation() || requestUri.IsAction())
{
var serviceOp = requestUri.Segments.OfType <FunctionSegment>().Last();
return(serviceOp.Function.GetExpectedPayloadType());
}
return(ODataPayloadElementType.Unknown);
}
internal static HttpStatusCode GetExpectedStatusCode(ODataUri uri, IODataUriEvaluator evaluator)
{
bool specialStatusCodeIfNull = false;
specialStatusCodeIfNull |= uri.IsNamedStream();
specialStatusCodeIfNull |= uri.IsMediaResource();
specialStatusCodeIfNull |= uri.IsEntity();
specialStatusCodeIfNull |= uri.IsEntityReferenceLink();
specialStatusCodeIfNull |= uri.IsPropertyValue();
bool uriIsValue = uri.IsNamedStream() || uri.IsMediaResource();
// For an action it is evaluated specially via the actionresponse verifier, skip eval here
if (!uri.IsAction() && specialStatusCodeIfNull && evaluator.Evaluate(uri).IsNull)
{
if (uriIsValue)
{
return HttpStatusCode.NoContent;
}
else
{
return HttpStatusCode.NotFound;
}
}
return HttpStatusCode.OK;
}
private static bool HasETagOnRetrieve(ODataUri uri)
{
if (uri.ExpandSegments.Any())
{
return false;
}
if (uri.IsEntity())
{
return true;
}
if (uri.IsProperty())
{
return true;
}
if (uri.IsPropertyValue() || uri.IsMediaResource())
{
// this covers media-resources as well
return true;
}
if (uri.IsNamedStream())
{
return true;
}
return false;
}