public void ODataEntityReferenceLinkSerializer_Serializes_UrisAndEntityReferenceLinks_Json(object uris)
{
// Arrange
ODataEntityReferenceLinksSerializer serializer = new ODataEntityReferenceLinksSerializer();
IEdmNavigationProperty navigationProperty = _customerSet.ElementType.NavigationProperties().First();
ODataPath path = new ODataPath(new EntitySetPathSegment(_customerSet), new KeyValuePathSegment("1"),
new NavigationPathSegment(navigationProperty));
ODataSerializerContext writeContext = new ODataSerializerContext {
Path = path
};
MemoryStream stream = new MemoryStream();
IODataResponseMessage message = new ODataMessageWrapper(stream);
ODataMessageWriterSettings settings = new ODataMessageWriterSettings
{
BaseUri = new Uri("http://any/")
};
settings.SetMetadataDocumentUri(new Uri("http://any/$metadata"));
settings.SetContentType(ODataFormat.Json);
// Act
serializer.WriteObject(uris, typeof(ODataEntityReferenceLinks), new ODataMessageWriter(message, settings), writeContext);
stream.Seek(0, SeekOrigin.Begin);
string result = new StreamReader(stream).ReadToEnd();
// Assert
Assert.Equal(
string.Format("{0},{1}",
"{\"odata.metadata\":\"http://any/$metadata#Default.Container.Customers/$links/Orders\"",
"\"value\":[{\"url\":\"http://uri1/\"},{\"url\":\"http://uri2/\"}]}"), result);
}
private static ODataMessageWriterSettings CreateJsonLightSettings()
{
ODataMessageWriterSettings settings = new ODataMessageWriterSettings();
settings.SetContentType(ODataFormat.Json);
settings.SetMetadataDocumentUri(CreateFakeUri());
return(settings);
}
private void WriteToStream(Type type, object value, Stream writeStream, HttpContent content, HttpContentHeaders contentHeaders)
{
IEdmModel model = Request.GetEdmModel();
if (model == null)
{
throw Error.InvalidOperation(SRResources.RequestMustHaveModel);
}
ODataSerializer serializer = GetSerializer(type, value, model, _serializerProvider);
UrlHelper urlHelper = Request.GetUrlHelper();
Contract.Assert(urlHelper != null);
ODataPath path = Request.GetODataPath();
IEdmEntitySet targetEntitySet = path == null ? null : path.EntitySet;
// serialize a response
HttpConfiguration configuration = Request.GetConfiguration();
if (configuration == null)
{
throw Error.InvalidOperation(SRResources.RequestMustContainConfiguration);
}
IODataResponseMessage responseMessage = new ODataMessageWrapper(writeStream, content.Headers);
ODataMessageWriterSettings writerSettings = new ODataMessageWriterSettings(MessageWriterSettings)
{
BaseUri = GetBaseAddress(Request),
Version = _version,
};
// The MetadataDocumentUri is never required for errors. Additionally, it sometimes won't be available
// for errors, such as when routing itself fails. In that case, the route data property is not
// available on the request, and due to a bug with HttpRoute.GetVirtualPath (bug #669) we won't be able
// to generate a metadata link.
if (serializer.ODataPayloadKind != ODataPayloadKind.Error)
{
string metadataLink = urlHelper.ODataLink(new MetadataPathSegment());
if (metadataLink == null)
{
throw new SerializationException(SRResources.UnableToDetermineMetadataUrl);
}
string selectClause = GetSelectClause(Request);
writerSettings.SetMetadataDocumentUri(new Uri(metadataLink), selectClause);
}
MediaTypeHeaderValue contentType = null;
if (contentHeaders != null && contentHeaders.ContentType != null)
{
contentType = contentHeaders.ContentType;
}
using (ODataMessageWriter messageWriter = new ODataMessageWriter(responseMessage, writerSettings, model))
{
ODataSerializerContext writeContext = new ODataSerializerContext()
{
Request = Request,
RequestContext = Request.GetRequestContext(),
Url = urlHelper,
EntitySet = targetEntitySet,
Model = model,
RootElementName = GetRootElementName(path) ?? "root",
SkipExpensiveAvailabilityChecks = serializer.ODataPayloadKind == ODataPayloadKind.Feed,
Path = path,
MetadataLevel = ODataMediaTypes.GetMetadataLevel(contentType),
SelectExpandClause = Request.GetSelectExpandClause()
};
serializer.WriteObject(value, type, messageWriter, writeContext);
}
}
public override Task WriteToStreamAsync(Type type, object value, Stream writeStream, HttpContent content, TransportContext transportContext)
{
if (type == null)
{
throw Error.ArgumentNull("type");
}
if (writeStream == null)
{
throw Error.ArgumentNull("writeStream");
}
if (_request == null)
{
throw Error.InvalidOperation(SRResources.WriteToStreamAsyncMustHaveRequest);
}
HttpContentHeaders contentHeaders = content == null ? null : content.Headers;
return(TaskHelpers.RunSynchronously(() =>
{
// get the most appropriate serializer given that we support inheritance.
IEdmModel model = _request.GetEdmModel();
if (model == null)
{
throw Error.InvalidOperation(SRResources.RequestMustHaveModel);
}
type = value == null ? type : value.GetType();
ODataSerializer serializer = _serializerProvider.GetODataPayloadSerializer(model, type);
if (serializer == null)
{
string message = Error.Format(SRResources.TypeCannotBeSerialized, type.Name, typeof(ODataMediaTypeFormatter).Name);
throw new SerializationException(message);
}
UrlHelper urlHelper = _request.GetUrlHelper();
Contract.Assert(urlHelper != null);
ODataPath path = _request.GetODataPath();
IEdmEntitySet targetEntitySet = path == null ? null : path.EntitySet;
// serialize a response
HttpConfiguration configuration = _request.GetConfiguration();
if (configuration == null)
{
throw Error.InvalidOperation(SRResources.RequestMustContainConfiguration);
}
IODataResponseMessage responseMessage = new ODataMessageWrapper(writeStream, content.Headers);
ODataMessageWriterSettings writerSettings = new ODataMessageWriterSettings()
{
BaseUri = GetBaseAddress(_request),
Version = _version,
Indent = true,
DisableMessageStreamDisposal = true,
MessageQuotas = MessageWriterQuotas
};
// The MetadataDocumentUri is never required for errors. Additionally, it sometimes won't be available
// for errors, such as when routing itself fails. In that case, the route data property is not
// available on the request, and due to a bug with HttpRoute.GetVirtualPath (bug #669) we won't be able
// to generate a metadata link.
if (serializer.ODataPayloadKind != ODataPayloadKind.Error)
{
string metadataLink = urlHelper.ODataLink(new MetadataPathSegment());
if (metadataLink == null)
{
throw new SerializationException(SRResources.UnableToDetermineMetadataUrl);
}
writerSettings.SetMetadataDocumentUri(new Uri(metadataLink));
}
MediaTypeHeaderValue contentType = null;
if (contentHeaders != null && contentHeaders.ContentType != null)
{
contentType = contentHeaders.ContentType;
}
using (ODataMessageWriter messageWriter = new ODataMessageWriter(responseMessage, writerSettings, model))
{
ODataSerializerContext writeContext = new ODataSerializerContext()
{
Request = _request,
Url = urlHelper,
EntitySet = targetEntitySet,
Model = model,
RootElementName = GetRootElementName(path) ?? "root",
SkipExpensiveAvailabilityChecks = serializer.ODataPayloadKind == ODataPayloadKind.Feed,
Path = path,
MetadataLevel = ODataMediaTypes.GetMetadataLevel(contentType),
};
serializer.WriteObject(value, messageWriter, writeContext);
}
}));
}