public void ReadJsonLight() { // Arrange var deserializer = new ODataEntityReferenceLinkDeserializer(); MockODataRequestMessage requestMessage = new MockODataRequestMessage(); ODataMessageWriterSettings writerSettings = new ODataMessageWriterSettings(); writerSettings.SetContentType(ODataFormat.Json); IEdmModel model = CreateModel(); ODataMessageWriter messageWriter = new ODataMessageWriter(requestMessage, writerSettings, model); messageWriter.WriteEntityReferenceLink(new ODataEntityReferenceLink { Url = new Uri("http://localhost/samplelink") }); ODataMessageReader messageReader = new ODataMessageReader(new MockODataRequestMessage(requestMessage), new ODataMessageReaderSettings(), model); IEdmNavigationProperty navigationProperty = GetNavigationProperty(model); ODataDeserializerContext context = new ODataDeserializerContext { Request = new HttpRequestMessage(), Path = new ODataPath(new NavigationPathSegment(navigationProperty)) }; // Act Uri uri = deserializer.Read(messageReader, context) as Uri; // Assert Assert.NotNull(uri); Assert.Equal("http://localhost/samplelink", uri.AbsoluteUri); }
public void ProcessRequest(HttpContext context, Uri serviceBaseUri) { var sparqlGenerator = new SparqlGenerator(_config.Map, _config.DefaultLanguageCode, _config.MaxPageSize); var messageWriterSettings = new ODataMessageWriterSettings(_config.BaseODataWriterSettings) { BaseUri = serviceBaseUri }; if (context.Request.AcceptTypes != null) { messageWriterSettings.SetContentType(String.Join(",", context.Request.AcceptTypes), context.Request.Headers["Accept-Charset"]); } var requestMessage = new HttpDataRequestMessage(context.Request); ODataVersion effectiveVersion = GetEffectiveODataVersion(requestMessage); messageWriterSettings.Version = effectiveVersion; var metadataUri = new Uri(serviceBaseUri, "./$metadata"); if (serviceBaseUri.Equals(context.Request.Url)) { // We need to respond with the service document var responseMessage = new HttpDataResponseMessage(context.Response); context.Response.ContentType = "application/xml"; context.Response.ContentEncoding = System.Text.Encoding.UTF8; var feedGenerator = new ODataFeedGenerator(requestMessage, responseMessage, _config.Map, serviceBaseUri.ToString(), messageWriterSettings); feedGenerator.WriteServiceDocument(); } else if (serviceBaseUri.ToString().TrimEnd('/').Equals(context.Request.Url.ToString().TrimEnd('/'))) { // Trimming of trailing slash to normalize - the serviceBaseUri should always have a trailing slash, // but we will redirect requests that do not to the proper service document url context.Response.RedirectPermanent(serviceBaseUri.ToString(), true); } else if (metadataUri.Equals(context.Request.Url)) { context.Response.ContentType = "application/xml"; context.Response.WriteFile(_config.MetadataPath); } else { var parsedQuery = QueryDescriptorQueryNode.ParseUri( context.Request.Url, serviceBaseUri, _config.Model); sparqlGenerator.ProcessQuery(parsedQuery); var responseMessage = new HttpDataResponseMessage(context.Response); var feedGenerator = new ODataFeedGenerator( requestMessage, responseMessage, _config.Map, serviceBaseUri.ToString(), messageWriterSettings); sparqlGenerator.SparqlQueryModel.Execute(_config.SparqlEndpoint, feedGenerator); context.Response.ContentType = "application/atom+xml"; } }
public string UpdateDataToOData(Change[] changes, string tableName, string[] headers) { HttpRequestMessage requestMessage = new HttpRequestMessage(HttpMethod.Post, new Uri(this.odataEndpointURL, "$batch")); requestMessage.Headers.Add("DataServiceVersion", this.odataVersion); requestMessage.Headers.Add("MaxDataServiceVersion", this.odataMaxVersion); var setting = new ODataMessageWriterSettings(); setting.SetContentType(ODataFormat.Batch); setting.BaseUri = this.odataEndpointURL; var odataHttpRequest = new ODataHttpRequest(requestMessage); var messageWriter = new ODataMessageWriter(odataHttpRequest, setting, this.metadata); var batchWriter = messageWriter.CreateODataBatchWriter(); batchWriter.WriteStartBatch(); for (int i = 0; i < changes.Length; i++) { batchWriter.WriteStartChangeset(); if (changes[i].operation == "DELETE") { createDeleteOperationRequestMessage(ref batchWriter, changes[i], tableName); } if (changes[i].operation == "UPDATE") { createUpdateOperationRequestMessage(ref batchWriter, changes[i], tableName, headers); } batchWriter.WriteEndChangeset(); } batchWriter.WriteEndBatch(); batchWriter.Flush(); odataHttpRequest.GetStream().Seek(0, SeekOrigin.Begin); HttpResponseMessage result = new HttpResponseMessage(); using (HttpClient client = new HttpClient()) { result = client.SendAsync(requestMessage).Result; } return parseResponseMessage(result); }
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); } 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); } Uri baseAddress = new Uri(_request.RequestUri, configuration.VirtualPathRoot); IODataResponseMessage responseMessage = new ODataMessageWrapper(writeStream); ODataMessageWriterSettings writerSettings = new ODataMessageWriterSettings() { BaseUri = baseAddress, Version = _version, Indent = true, DisableMessageStreamDisposal = true, MessageQuotas = MessageWriterQuotas }; UrlHelper urlHelper = _request.GetUrlHelper(); Contract.Assert(urlHelper != null); // 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; writerSettings.SetContentType(contentType.ToString(), contentType.CharSet); } 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), NextPageLink = _request.GetNextPageLink(), InlineCount = _request.GetInlineCount() }; serializer.WriteObject(value, messageWriter, writeContext); } }); }
private static ODataMessageWriterSettings CreateJsonLightSettings() { ODataMessageWriterSettings settings = new ODataMessageWriterSettings(); settings.SetContentType(ODataFormat.Json); settings.SetMetadataDocumentUri(CreateFakeUri()); return settings; }
private static ODataMessageWriterSettings CreateMessageWriterSettings(Uri serviceUri, DataServiceProviderWrapper provider, Version responseVersion, bool disableDisposeStream, ODataFormat format) { ODataMessageWriterSettings settings = new ODataMessageWriterSettings { BaseUri = serviceUri, Version = new ODataVersion?(CommonUtil.ConvertToODataVersion(responseVersion)), Indent = false, CheckCharacters = false, DisableMessageStreamDisposal = disableDisposeStream }; settings.EnableWcfDataServicesServerBehavior(provider.IsV1Provider); settings.SetContentType(format); return settings; }
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 IEnumerable<KeyValuePair<string, string>> GetResponseMessageHeaders(Type graphType, ODataFormat odataFormat, ODataVersion version) { IODataResponseMessage responseMessage = new ODataMessageWrapper(); ODataMessageWriterSettings writerSettings = new ODataMessageWriterSettings() { BaseUri = new Uri(ODataFormatterConstants.DefaultNamespace), Version = version, Indent = false }; writerSettings.SetContentType(odataFormat); using (ODataMessageWriter messageWriter = new ODataMessageWriter(responseMessage, writerSettings)) { ODataSerializer serializer = ODataSerializerProvider.GetODataPayloadSerializer(graphType); // get the OData specific headers for the payloadkind ODataUtils.SetHeadersForPayload(messageWriter, serializer.ODataPayloadKind); } return responseMessage.Headers; }
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.NotSupported(SRResources.WriteToStreamAsyncMustHaveRequest); } HttpContentHeaders contentHeaders = content == null ? null : content.Headers; return TaskHelpers.RunSynchronously(() => { // Get the format and version to use from the ODataServiceVersion content header or if not available use the // values configured for the specialized formatter instance. ODataVersion version; ODataFormat odataFormat; if (contentHeaders == null) { version = _defaultODataVersion; odataFormat = ODataFormatterConstants.DefaultODataFormat; } else { version = GetODataVersion(contentHeaders, ODataFormatterConstants.ODataServiceVersion) ?? _defaultODataVersion; odataFormat = GetODataFormat(contentHeaders); } ODataSerializer serializer = ODataSerializerProvider.GetODataPayloadSerializer(type); if (serializer == null) { throw Error.InvalidOperation(SRResources.TypeCannotBeSerialized, type.Name, typeof(ODataMediaTypeFormatter).Name); } UrlHelper urlHelper = Request.GetUrlHelper(); NameValueCollection queryStringValues = Request.RequestUri.ParseQueryString(); IEdmEntitySet targetEntitySet = null; ODataUriHelpers.TryGetEntitySetAndEntityType(Request.RequestUri, Model, out targetEntitySet); ODataQueryProjectionNode rootProjectionNode = null; if (targetEntitySet != null) { // TODO: Bug 467621: Move to ODataUriParser once it is done. rootProjectionNode = ODataUriHelpers.GetODataQueryProjectionNode(queryStringValues["$select"], queryStringValues["$expand"], targetEntitySet); } // serialize a response Uri baseAddress = new Uri(Request.RequestUri, Request.GetConfiguration().VirtualPathRoot); // TODO: Bug 467617: figure out the story for the operation name on the client side and server side. // This is clearly a workaround. We are assuming that the operation name is the last segment in the request uri // which works for most cases and fall back to the type name of the object being written. // We should rather use uri parser semantic tree to figure out the operation name from the request url. string operationName = ODataUriHelpers.GetOperationName(Request.RequestUri, baseAddress); operationName = operationName ?? type.Name; IODataResponseMessage responseMessage = new ODataMessageWrapper(writeStream); ODataMessageWriterSettings writerSettings = new ODataMessageWriterSettings() { BaseUri = baseAddress, Version = version, Indent = true, DisableMessageStreamDisposal = true, }; if (contentHeaders != null && contentHeaders.ContentType != null) { writerSettings.SetContentType(contentHeaders.ContentType.ToString(), Encoding.UTF8.WebName); } using (ODataMessageWriter messageWriter = new ODataMessageWriter(responseMessage, writerSettings, ODataDeserializerProvider.EdmModel)) { ODataSerializerContext writeContext = new ODataSerializerContext() { EntitySet = targetEntitySet, UrlHelper = urlHelper, RootProjectionNode = rootProjectionNode, CurrentProjectionNode = rootProjectionNode, ServiceOperationName = operationName }; serializer.WriteObject(value, messageWriter, writeContext); } }); }
private ODataMessageWriterSettings GetWriterSettings(bool isRawValue = false) { var settings = new ODataMessageWriterSettings() { BaseUri = _session.Settings.BaseUri, Indent = true, DisableMessageStreamDisposal = !IsBatch, }; ODataFormat contentType; if (isRawValue) { contentType = ODataFormat.RawValue; } else { switch (_session.Settings.PayloadFormat) { case ODataPayloadFormat.Atom: default: contentType = ODataFormat.Atom; break; case ODataPayloadFormat.Json: switch (_session.Adapter.ProtocolVersion) { case ODataProtocolVersion.V1: case ODataProtocolVersion.V2: contentType = ODataFormat.VerboseJson; break; default: contentType = ODataFormat.Json; break; } break; } } settings.SetContentType(contentType); return settings; }
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.NotSupported(SRResources.WriteToStreamAsyncMustHaveRequest); } HttpContentHeaders contentHeaders = content == null ? null : content.Headers; return TaskHelpers.RunSynchronously(() => { // Get the format and version to use from the ODataServiceVersion content header or if not available use the // values configured for the specialized formatter instance. ODataVersion version; if (contentHeaders == null) { version = _defaultODataVersion; } else { version = GetODataVersion(contentHeaders, ODataFormatterConstants.ODataServiceVersion) ?? _defaultODataVersion; } // get the most appropriate serializer given that we support inheritance. type = value == null ? type : value.GetType(); ODataSerializer serializer = ODataSerializerProvider.GetODataPayloadSerializer(type); if (serializer == null) { throw Error.InvalidOperation(SRResources.TypeCannotBeSerialized, type.Name, typeof(ODataMediaTypeFormatter).Name); } UrlHelper urlHelper = Request.GetUrlHelper(); IEdmEntitySet targetEntitySet = null; ODataUriHelpers.TryGetEntitySetAndEntityType(Request.RequestUri, Model, out targetEntitySet); // serialize a response Uri baseAddress = new Uri(Request.RequestUri, Request.GetConfiguration().VirtualPathRoot); // TODO: Bug 467617: figure out the story for the operation name on the client side and server side. // This is clearly a workaround. We are assuming that the operation name is the last segment in the request uri // which works for most cases and fall back to the type name of the object being written. // We should rather use uri parser semantic tree to figure out the operation name from the request url. string operationName = ODataUriHelpers.GetOperationName(Request.RequestUri, baseAddress); operationName = operationName ?? type.Name; IODataResponseMessage responseMessage = new ODataMessageWrapper(writeStream); // TODO: Issue 483: http://aspnetwebstack.codeplex.com/workitem/483 // We need to set the MetadataDocumentUri when this property is added to ODataMessageWriterSettings as // part of the JSON Light work. // This is required so ODataLib can coerce AbsoluteUri's into RelativeUri's when appropriate in JSON Light. ODataMessageWriterSettings writerSettings = new ODataMessageWriterSettings() { BaseUri = baseAddress, Version = version, Indent = true, DisableMessageStreamDisposal = true }; if (contentHeaders != null && contentHeaders.ContentType != null) { writerSettings.SetContentType(contentHeaders.ContentType.ToString(), Encoding.UTF8.WebName); } using (ODataMessageWriter messageWriter = new ODataMessageWriter(responseMessage, writerSettings, ODataDeserializerProvider.EdmModel)) { ODataSerializerContext writeContext = new ODataSerializerContext() { EntitySet = targetEntitySet, UrlHelper = urlHelper, ServiceOperationName = operationName, SkipExpensiveAvailabilityChecks = serializer.ODataPayloadKind == ODataPayloadKind.Feed, Request = Request }; serializer.WriteObject(value, messageWriter, writeContext); } }); }
public void ProcessRequest(HttpContext context) { if (!HttpContext.Current.Request.IsAuthenticated) { HttpContext.Current.GetOwinContext().Authentication.Challenge(new AuthenticationProperties { RedirectUri = HttpContext.Current.Request.FilePath }, "OAuth2Bearer"); return; } MSRAHttpResponseMessage message = new MSRAHttpResponseMessage(this.ContextBase.Response); message.StatusCode = 200; message.SetHeader(ODataConstants.ContentTypeHeader, "application/json"); // create the writer, indent for readability ODataMessageWriterSettings messageWriterSettings = new ODataMessageWriterSettings() { Indent = true, CheckCharacters = false, BaseUri = context.Request.Url }; messageWriterSettings.SetContentType(ODataFormat.Json); messageWriterSettings.SetMetadataDocumentUri(new Uri("http://localhost:31435/odata/MSRAQuery/$metadata")); if (string.IsNullOrEmpty(QueryId)) { AzureTestDBEntities db = new AzureTestDBEntities(); var queries = db.MsrRecurringQueries.ToList().Take(1); ODataWorkspace workSpace = new ODataWorkspace(); var collections = new List<ODataResourceCollectionInfo>(); foreach (MsrRecurringQuery recurringQuery in queries) { ODataResourceCollectionInfo collectionInfo = new ODataResourceCollectionInfo() { Name = "MsrRecurringQueries", Url = new Uri(context.Request.Url+"data/" + recurringQuery.RecurringQueryID.ToString(), UriKind.Absolute) }; collectionInfo.SetAnnotation<AtomResourceCollectionMetadata>(new AtomResourceCollectionMetadata() { Title = new AtomTextConstruct() { Text = "MsrRecurringQueries"//recurringQuery.RecurringQueryName }, }); collections.Add(collectionInfo); } workSpace.Collections = collections.AsEnumerable<ODataResourceCollectionInfo>(); using (ODataMessageWriter messageWriter = new ODataMessageWriter(message, messageWriterSettings)) { messageWriter.WriteServiceDocumentAsync(workSpace); } } else { EdmModel mainModel =(EdmModel) QueryMetadataHttpHandler.BuildODataModel(); using (ODataMessageWriter messageWriter = new ODataMessageWriter(message, messageWriterSettings, mainModel)) { var msrRecurringQueryResultType = new EdmEntityType("mainNS", "MsrRecurringQuery", null); IEdmPrimitiveType edmPrimitiveType1 = new MSRAEdmPrimitiveType("Int32", "Edm", EdmPrimitiveTypeKind.Int32, EdmSchemaElementKind.TypeDefinition, EdmTypeKind.Primitive); IEdmPrimitiveType edmPrimitiveType2 = new MSRAEdmPrimitiveType("String", "Edm", EdmPrimitiveTypeKind.String, EdmSchemaElementKind.TypeDefinition, EdmTypeKind.Primitive); IEdmPrimitiveType edmPrimitiveType3 = new MSRAEdmPrimitiveType("String", "Edm", EdmPrimitiveTypeKind.String, EdmSchemaElementKind.TypeDefinition, EdmTypeKind.Primitive); IEdmPrimitiveType edmPrimitiveType4 = new MSRAEdmPrimitiveType("String", "Edm", EdmPrimitiveTypeKind.String, EdmSchemaElementKind.TypeDefinition, EdmTypeKind.Primitive); IEdmPrimitiveType edmPrimitiveType5 = new MSRAEdmPrimitiveType("String", "Edm", EdmPrimitiveTypeKind.String, EdmSchemaElementKind.TypeDefinition, EdmTypeKind.Primitive); IEdmPrimitiveType edmPrimitiveType6 = new MSRAEdmPrimitiveType("Decimal", "Edm", EdmPrimitiveTypeKind.Decimal, EdmSchemaElementKind.TypeDefinition, EdmTypeKind.Primitive); msrRecurringQueryResultType.AddKeys(new EdmStructuralProperty(msrRecurringQueryResultType, "RowId", new EdmPrimitiveTypeReference(edmPrimitiveType1, false))); msrRecurringQueryResultType.AddProperty(new EdmStructuralProperty(msrRecurringQueryResultType, "RowId", new EdmPrimitiveTypeReference(edmPrimitiveType1, false))); msrRecurringQueryResultType.AddProperty(new EdmStructuralProperty(msrRecurringQueryResultType, "Pricing_Level", new EdmPrimitiveTypeReference(edmPrimitiveType2, false))); msrRecurringQueryResultType.AddProperty(new EdmStructuralProperty(msrRecurringQueryResultType, "Business_Summary", new EdmPrimitiveTypeReference(edmPrimitiveType3, false))); msrRecurringQueryResultType.AddProperty(new EdmStructuralProperty(msrRecurringQueryResultType, "Future_Flag", new EdmPrimitiveTypeReference(edmPrimitiveType4, false))); msrRecurringQueryResultType.AddProperty(new EdmStructuralProperty(msrRecurringQueryResultType, "Fiscal_Month", new EdmPrimitiveTypeReference(edmPrimitiveType5, false))); msrRecurringQueryResultType.AddProperty(new EdmStructuralProperty(msrRecurringQueryResultType, "MS_Sales_Amount_Const", new EdmPrimitiveTypeReference(edmPrimitiveType6, false))); ODataWriter feedWriter = messageWriter.CreateODataFeedWriter( mainModel.EntityContainers().Select(c => c.EntitySets().First()).First(), msrRecurringQueryResultType); ODataFeed feed = new ODataFeed() { Id = "MsrRecurringQueries", }; feedWriter.WriteStart(feed); AzureTestDBEntities db = new AzureTestDBEntities(); var queries = db.T_annooli_231161891 ; foreach (var recurringQuery in queries) { ODataEntry entry = this.GetODataEntry(recurringQuery); feedWriter.WriteStart(entry); feedWriter.WriteEnd(); } feedWriter.WriteEnd(); } } }
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.NotSupported(SRResources.WriteToStreamAsyncMustHaveRequest); } HttpContentHeaders contentHeaders = content == null ? null : content.Headers; return TaskHelpers.RunSynchronously(() => { // get the most appropriate serializer given that we support inheritance. type = value == null ? type : value.GetType(); ODataSerializer serializer = _serializerProvider.GetODataPayloadSerializer(type); if (serializer == null) { throw Error.InvalidOperation(SRResources.TypeCannotBeSerialized, type.Name, typeof(ODataMediaTypeFormatter).Name); } UrlHelper urlHelper = _request.GetUrlHelper(); ODataPath path = _request.GetODataPath(); IEdmEntitySet targetEntitySet = path == null ? null : path.EntitySet; // serialize a response HttpConfiguration configuration = _request.GetConfiguration(); Uri baseAddress = new Uri(_request.RequestUri, configuration.VirtualPathRoot); IODataResponseMessage responseMessage = new ODataMessageWrapper(writeStream); // TODO: Issue 483: http://aspnetwebstack.codeplex.com/workitem/483 // We need to set the MetadataDocumentUri when this property is added to ODataMessageWriterSettings as // part of the JSON Light work. // This is required so ODataLib can coerce AbsoluteUri's into RelativeUri's when appropriate in JSON Light. ODataMessageWriterSettings writerSettings = new ODataMessageWriterSettings() { BaseUri = baseAddress, Version = _version, Indent = true, DisableMessageStreamDisposal = true }; if (contentHeaders != null && contentHeaders.ContentType != null) { MediaTypeHeaderValue contentType = contentHeaders.ContentType; writerSettings.SetContentType(contentType.ToString(), contentType.CharSet); } using (ODataMessageWriter messageWriter = new ODataMessageWriter(responseMessage, writerSettings, _deserializerProvider.EdmModel)) { ODataSerializerContext writeContext = new ODataSerializerContext() { EntitySet = targetEntitySet, UrlHelper = urlHelper, PathHandler = configuration.GetODataPathHandler() ?? new DefaultODataPathHandler(Model), RootElementName = GetRootElementName(path) ?? ElementNameDefault, SkipExpensiveAvailabilityChecks = serializer.ODataPayloadKind == ODataPayloadKind.Feed, Request = _request }; serializer.WriteObject(value, messageWriter, writeContext); } }); }