public override Task WriteResponseBodyAsync(OutputFormatterWriteContext context, Encoding selectedEncoding)
{
Type type = context.ObjectType;
if (type == null)
{
throw Error.ArgumentNull("type");
}
type = TypeHelper.GetTaskInnerTypeOrSelf(type);
HttpRequest request = context.HttpContext.Request;
if (request == null)
{
throw Error.InvalidOperation(SRResources.WriteToStreamAsyncMustHaveRequest);
}
try
{
HttpResponse response = context.HttpContext.Response;
Uri baseAddress = GetBaseAddressInternal(request);
MediaTypeHeaderValue contentType = GetContentType(response.Headers[HeaderNames.ContentType].FirstOrDefault());
Func <ODataSerializerContext> getODataSerializerContext = () =>
{
return(new ODataSerializerContext()
{
Request = request,
});
};
ODataSerializerProvider serializerProvider = request.GetRequestContainer().GetRequiredService <ODataSerializerProvider>();
ODataOutputFormatterHelper.WriteToStream(
type,
context.Object,
request.GetModel(),
ResultHelpers.GetODataResponseVersion(request),
baseAddress,
contentType,
new WebApiUrlHelper(request.GetUrlHelper()),
new WebApiRequestMessage(request),
new WebApiRequestHeaders(request.Headers),
(services) => ODataMessageWrapperHelper.Create(response.Body, response.Headers, services),
(edmType) => serializerProvider.GetEdmTypeSerializer(edmType),
(objectType) => serializerProvider.GetODataPayloadSerializer(objectType, request),
getODataSerializerContext);
return(TaskHelpers.Completed());
}
catch (Exception ex)
{
return(TaskHelpers.FromError(ex));
}
}
public override Task WriteToStreamAsync(Type type, object value, Stream writeStream, HttpContent content,
TransportContext transportContext, CancellationToken cancellationToken)
{
if (type == null)
{
throw Error.ArgumentNull("type");
}
if (writeStream == null)
{
throw Error.ArgumentNull("writeStream");
}
if (Request == null)
{
throw Error.InvalidOperation(SRResources.WriteToStreamAsyncMustHaveRequest);
}
if (cancellationToken.IsCancellationRequested)
{
return(TaskHelpers.Canceled());
}
try
{
HttpConfiguration configuration = Request.GetConfiguration();
if (configuration == null)
{
throw Error.InvalidOperation(SRResources.RequestMustContainConfiguration);
}
HttpContentHeaders contentHeaders = (content == null) ? null : content.Headers;
UrlHelper urlHelper = Request.GetUrlHelper() ?? new UrlHelper(Request);
Func <ODataSerializerContext> getODataSerializerContext = () =>
{
return(new ODataSerializerContext()
{
Request = Request,
Url = urlHelper,
});
};
ODataSerializerProvider serializerProvider = Request.GetRequestContainer()
.GetRequiredService <ODataSerializerProvider>();
ODataOutputFormatterHelper.WriteToStream(
type,
value,
Request.GetModel(),
ResultHelpers.GetODataResponseVersion(Request),
GetBaseAddressInternal(Request),
contentHeaders == null ? null : contentHeaders.ContentType,
new WebApiUrlHelper(urlHelper),
new WebApiRequestMessage(Request),
new WebApiRequestHeaders(Request.Headers),
(services) => ODataMessageWrapperHelper.Create(writeStream, contentHeaders, services),
(edmType) => serializerProvider.GetEdmTypeSerializer(edmType),
(objectType) => serializerProvider.GetODataPayloadSerializer(objectType, Request),
getODataSerializerContext);
return(TaskHelpers.Completed());
}
catch (Exception ex)
{
return(TaskHelpers.FromError(ex));
}
}
