public void ResolveUrl_ThrowsArgumentNull_PayloadUri() { var message = new ODataMessageWrapper(); Assert.ThrowsArgumentNull( () => message.ResolveUrl(new Uri("http://localhost"), null), "payloadUri"); }
public void WriteMessageAsync_WritesResponseMessage() { MemoryStream ms = new MemoryStream(); HttpContent content = new StringContent(String.Empty, Encoding.UTF8, "multipart/mixed"); content.Headers.ContentType.Parameters.Add(new NameValueHeaderValue("boundary", Guid.NewGuid().ToString())); IODataResponseMessage odataResponse = new ODataMessageWrapper(ms, content.Headers); var batchWriter = new ODataMessageWriter(odataResponse).CreateODataBatchWriter(); HttpResponseMessage response = new HttpResponseMessage() { Content = new StringContent("example content", Encoding.UTF8, "text/example") }; response.Headers.Add("customHeader", "bar"); batchWriter.WriteStartBatch(); ODataBatchResponseItem.WriteMessageAsync(batchWriter, response).Wait(); batchWriter.WriteEndBatch(); ms.Position = 0; string result = new StreamReader(ms).ReadToEnd(); Assert.Contains("example content", result); Assert.Contains("text/example", result); Assert.Contains("customHeader", result); Assert.Contains("bar", result); }
public void ResolveUrl_ReturnsNull_IfNoContentIdInUri() { var message = new ODataMessageWrapper(); Uri uri = message.ResolveUrl(new Uri("http://localhost"), new Uri("/values", UriKind.Relative)); Assert.Null(uri); }
public void ResolveUrl_ThrowsArgumentNull_PayloadUri() { var message = new ODataMessageWrapper(); Assert.ThrowsArgumentNull( () => message.ResolveUrl(new Uri("http://localhost"), null), "payloadUri"); }
public void ResolveUrl_ReturnsNull_IfNoContentIdInUri() { var message = new ODataMessageWrapper(); Uri uri = message.ResolveUrl(new Uri("http://localhost"), new Uri("/values", UriKind.Relative)); Assert.Null(uri); }
public void ResolveUrl_ReturnsOriginalUri_IfContentIdCannotBeResolved() { StringContent content = new StringContent(String.Empty); var message = new ODataMessageWrapper(new MemoryStream(), content.Headers); Uri uri = message.ResolveUrl(new Uri("http://localhost"), new Uri("$1", UriKind.Relative)); Assert.Equal("$1", uri.OriginalString); }
public void ResolveUrl_ReturnsOriginalUri_IfContentIdCannotBeResolved() { StringContent content = new StringContent(String.Empty); var message = new ODataMessageWrapper(new MemoryStream(), content.Headers); Uri uri = message.ResolveUrl(new Uri("http://localhost"), new Uri("$1", UriKind.Relative)); Assert.Equal("$1", uri.OriginalString); }
/// <inheritdoc/> public override Task <object> ReadFromStreamAsync(Type type, Stream readStream, HttpContent content, IFormatterLogger formatterLogger) { if (type == null) { throw Error.ArgumentNull("type"); } if (readStream == null) { throw Error.ArgumentNull("readStream"); } object result = null; HttpContentHeaders contentHeaders = content == null ? null : content.Headers; // If content length is 0 then return default value for this type if (contentHeaders != null && contentHeaders.ContentLength == 0) { result = GetDefaultValueForType(type); } else { bool isPatchMode = TryGetInnerTypeForDelta(ref type); ODataDeserializer deserializer = ODataDeserializerProvider.GetODataDeserializer(type); if (deserializer == null) { throw Error.Argument("type", SRResources.FormatterReadIsNotSupportedForType, type.FullName, GetType().FullName); } ODataMessageReader oDataMessageReader = null; ODataMessageReaderSettings oDataReaderSettings = new ODataMessageReaderSettings { DisableMessageStreamDisposal = true }; try { IODataRequestMessage oDataRequestMessage = new ODataMessageWrapper(readStream, contentHeaders); oDataMessageReader = new ODataMessageReader(oDataRequestMessage, oDataReaderSettings, ODataDeserializerProvider.EdmModel); ODataDeserializerContext readContext = new ODataDeserializerContext { IsPatchMode = isPatchMode, PatchKeyMode = PatchKeyMode }; result = deserializer.Read(oDataMessageReader, readContext); } finally { if (oDataMessageReader != null) { oDataMessageReader.Dispose(); } } } return(TaskHelpers.FromResult(result)); }
public void WriteMessageAsync_NullResponse_Throws() { HttpContent content = new StringContent(String.Empty, Encoding.UTF8, "multipart/mixed"); content.Headers.ContentType.Parameters.Add(new NameValueHeaderValue("boundary", Guid.NewGuid().ToString())); IODataResponseMessage odataResponse = new ODataMessageWrapper(new MemoryStream(), content.Headers); ODataMessageWriter messageWriter = new ODataMessageWriter(odataResponse); Assert.ThrowsArgumentNull( () => ODataBatchResponseItem.WriteMessageAsync(messageWriter.CreateODataBatchWriter(), null).Wait(), "response"); }
/// <summary> /// Gets the <see cref="ODataMessageReader"/> for the <see cref="HttpContent"/> stream. /// </summary> /// <param name="content">The <see cref="HttpContent"/>.</param> /// <param name="settings">The <see cref="ODataMessageReaderSettings"/>.</param> /// <returns>A <see cref="ODataMessageReader"/>.</returns> public static async Task<ODataMessageReader> GetODataMessageReaderAsync(this HttpContent content, ODataMessageReaderSettings settings) { if (content == null) { throw Error.ArgumentNull("content"); } Stream contentStream = await content.ReadAsStreamAsync(); IODataRequestMessage oDataRequestMessage = new ODataMessageWrapper(contentStream, content.Headers); ODataMessageReader oDataMessageReader = new ODataMessageReader(oDataRequestMessage, settings); return oDataMessageReader; }
public void ResolveUrl_ResolvesUriWithContentId() { StringContent content = new StringContent(String.Empty); Dictionary<string, string> contentIdMapping = new Dictionary<string, string> { {"1", "http://localhost/values(1)"}, {"11", "http://localhost/values(11)"}, }; var message = new ODataMessageWrapper(new MemoryStream(), content.Headers, contentIdMapping); Uri uri = message.ResolveUrl(new Uri("http://localhost"), new Uri("$1", UriKind.Relative)); Assert.Equal("http://localhost/values(1)", uri.OriginalString); }
public void ResolveUrl_ResolvesUriWithContentId() { StringContent content = new StringContent(String.Empty); Dictionary <string, string> contentIdMapping = new Dictionary <string, string> { { "1", "http://localhost/values(1)" }, { "11", "http://localhost/values(11)" }, }; var message = new ODataMessageWrapper(new MemoryStream(), content.Headers, contentIdMapping); Uri uri = message.ResolveUrl(new Uri("http://localhost"), new Uri("$1", UriKind.Relative)); Assert.Equal("http://localhost/values(1)", uri.OriginalString); }
/// <inheritdoc/> protected override async Task SerializeToStreamAsync(Stream stream, TransportContext context) { IODataResponseMessage responseMessage = new ODataMessageWrapper(stream, Headers); ODataMessageWriter messageWriter = new ODataMessageWriter(responseMessage, _writerSettings); ODataBatchWriter writer = messageWriter.CreateODataBatchWriter(); writer.WriteStartBatch(); foreach (ODataBatchResponseItem response in Responses) { await response.WriteResponseAsync(writer, CancellationToken.None); } writer.WriteEndBatch(); }
public void WriteResponseAsync_WritesOperation() { OperationResponseItem responseItem = new OperationResponseItem(new HttpResponseMessage(HttpStatusCode.Accepted)); MemoryStream memoryStream = new MemoryStream(); IODataResponseMessage responseMessage = new ODataMessageWrapper(memoryStream); ODataMessageWriter writer = new ODataMessageWriter(responseMessage); ODataBatchWriter batchWriter = writer.CreateODataBatchWriter(); batchWriter.WriteStartBatch(); responseItem.WriteResponseAsync(batchWriter, CancellationToken.None).Wait(); batchWriter.WriteEndBatch(); memoryStream.Position = 0; string responseString = new StreamReader(memoryStream).ReadToEnd(); Assert.Contains("Accepted", responseString); }
public void Posting_NonDerivedType_To_Action_Expecting_BaseType_Throws() { StringContent content = new StringContent("{ '__metadata' : { 'type' : 'System.Web.Http.OData.Builder.TestModels.Motorcycle' } }"); content.Headers.ContentType = MediaTypeHeaderValue.Parse("application/json;odata=verbose"); IODataRequestMessage oDataRequest = new ODataMessageWrapper(content.ReadAsStreamAsync().Result, content.Headers); ODataMessageReader reader = new ODataMessageReader(oDataRequest, new ODataMessageReaderSettings(), _model); ODataDeserializerProvider deserializerProvider = new DefaultODataDeserializerProvider(); ODataDeserializerContext context = new ODataDeserializerContext { Model = _model }; context.Path = new ODataPath(new ActionPathSegment(_model.EntityContainers().Single().FunctionImports().Single(f => f.Name == "PostMotorcycle_When_Expecting_Car"))); Assert.Throws <ODataException>( () => new ODataEntityDeserializer(deserializerProvider).Read(reader, typeof(Car), context), "An entry with type 'System.Web.Http.OData.Builder.TestModels.Motorcycle' was found, " + "but it is not assignable to the expected type 'System.Web.Http.OData.Builder.TestModels.Car'. " + "The type specified in the entry must be equal to either the expected type or a derived type."); }
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 void WriteResponseAsync_WritesChangeSet() { HttpResponseMessage[] responses = new HttpResponseMessage[] { new HttpResponseMessage(HttpStatusCode.Accepted), new HttpResponseMessage(HttpStatusCode.NoContent) }; ChangeSetResponseItem responseItem = new ChangeSetResponseItem(responses); MemoryStream memoryStream = new MemoryStream(); IODataResponseMessage responseMessage = new ODataMessageWrapper(memoryStream); ODataMessageWriter writer = new ODataMessageWriter(responseMessage); ODataBatchWriter batchWriter = writer.CreateODataBatchWriter(); batchWriter.WriteStartBatch(); responseItem.WriteResponseAsync(batchWriter).Wait(); batchWriter.WriteEndBatch(); memoryStream.Position = 0; string responseString = new StreamReader(memoryStream).ReadToEnd(); Assert.Contains("changesetresponse", responseString); Assert.Contains("Accepted", responseString); Assert.Contains("No Content", responseString); }
public void Posting_NonDerivedType_To_Action_Expecting_BaseType_Throws() { StringContent content = new StringContent("{ '__metadata' : { 'type' : 'System.Web.Http.OData.Builder.TestModels.Motorcycle' } }"); content.Headers.ContentType = MediaTypeHeaderValue.Parse("application/json;odata=verbose"); IODataRequestMessage oDataRequest = new ODataMessageWrapper(content.ReadAsStreamAsync().Result, content.Headers); ODataMessageReader reader = new ODataMessageReader(oDataRequest, new ODataMessageReaderSettings(), _model); ODataDeserializerProvider deserializerProvider = new DefaultODataDeserializerProvider(); ODataDeserializerContext context = new ODataDeserializerContext { Model = _model }; context.Path = new ODataPath(new ActionPathSegment(_model.EntityContainers().Single().FunctionImports().Single(f => f.Name == "PostMotorcycle_When_Expecting_Car"))); Assert.Throws<ODataException>( () => new ODataEntityDeserializer(deserializerProvider).Read(reader, typeof(Car), context), "An entry with type 'System.Web.Http.OData.Builder.TestModels.Motorcycle' was found, " + "but it is not assignable to the expected type 'System.Web.Http.OData.Builder.TestModels.Car'. " + "The type specified in the entry must be equal to either the expected type or a derived type."); }
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); } }
private object ReadFromStream(Type type, Stream readStream, HttpContent content, IFormatterLogger formatterLogger) { object result; HttpContentHeaders contentHeaders = content == null ? null : content.Headers; // If content length is 0 then return default value for this type if (contentHeaders == null || contentHeaders.ContentLength == 0) { result = GetDefaultValueForType(type); } else { IEdmModel model = Request.GetEdmModel(); if (model == null) { throw Error.InvalidOperation(SRResources.RequestMustHaveModel); } IEdmTypeReference expectedPayloadType; ODataDeserializer deserializer = GetDeserializer(type, Request.GetODataPath(), model, _deserializerProvider, out expectedPayloadType); if (deserializer == null) { throw Error.Argument("type", SRResources.FormatterReadIsNotSupportedForType, type.FullName, GetType().FullName); } try { ODataMessageReaderSettings oDataReaderSettings = new ODataMessageReaderSettings(MessageReaderSettings); oDataReaderSettings.BaseUri = GetBaseAddress(Request); IODataRequestMessage oDataRequestMessage = new ODataMessageWrapper(readStream, contentHeaders, Request.GetODataContentIdMapping()); ODataMessageReader oDataMessageReader = new ODataMessageReader(oDataRequestMessage, oDataReaderSettings, model); Request.RegisterForDispose(oDataMessageReader); ODataPath path = Request.GetODataPath(); ODataDeserializerContext readContext = new ODataDeserializerContext { Path = path, Model = model, Request = Request, ResourceType = type, ResourceEdmType = expectedPayloadType, RequestContext = Request.GetRequestContext(), }; result = deserializer.Read(oDataMessageReader, type, readContext); } catch (Exception e) { if (formatterLogger == null) { throw; } formatterLogger.LogError(String.Empty, e); result = GetDefaultValueForType(type); } } return 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.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 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"); } 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); } if (IsClient) { // TODO: Bug 467617: figure out the story for the operation name on the client side and server side. string operationName = (value != null ? value.GetType() : type).Name; // serialize a request IODataRequestMessage requestMessage = new ODataMessageWrapper(writeStream); ODataResponseContext responseContext = new ODataResponseContext(requestMessage, odataFormat, version, new Uri(ODataFormatterConstants.DefaultNamespace), operationName); ODataMessageWriterSettings writerSettings = new ODataMessageWriterSettings() { BaseUri = responseContext.BaseAddress, Version = responseContext.ODataVersion, Indent = responseContext.IsIndented, DisableMessageStreamDisposal = true, }; writerSettings.SetContentType(responseContext.ODataFormat); using (ODataMessageWriter messageWriter = new ODataMessageWriter(requestMessage, writerSettings, Model)) { ODataSerializerWriteContext writeContext = new ODataSerializerWriteContext(responseContext); serializer.WriteObject(value, messageWriter, writeContext); } } else { 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); ODataResponseContext responseContext = new ODataResponseContext(responseMessage, odataFormat, version, baseAddress, operationName); ODataMessageWriterSettings writerSettings = new ODataMessageWriterSettings() { BaseUri = responseContext.BaseAddress, Version = responseContext.ODataVersion, Indent = responseContext.IsIndented, 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)) { ODataSerializerWriteContext writeContext = new ODataSerializerWriteContext(responseContext) { EntitySet = targetEntitySet, UrlHelper = urlHelper, RootProjectionNode = rootProjectionNode, CurrentProjectionNode = rootProjectionNode }; serializer.WriteObject(value, 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); } })); }
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); } }
private object ReadFromStream(Type type, Stream readStream, HttpContent content, IFormatterLogger formatterLogger) { object result; HttpContentHeaders contentHeaders = content == null ? null : content.Headers; // If content length is 0 then return default value for this type if (contentHeaders == null || contentHeaders.ContentLength == 0) { result = GetDefaultValueForType(type); } else { IEdmModel model = Request.GetEdmModel(); if (model == null) { throw Error.InvalidOperation(SRResources.RequestMustHaveModel); } IEdmTypeReference expectedPayloadType; ODataDeserializer deserializer = GetDeserializer(type, Request.GetODataPath(), model, _deserializerProvider, out expectedPayloadType); if (deserializer == null) { throw Error.Argument("type", SRResources.FormatterReadIsNotSupportedForType, type.FullName, GetType().FullName); } try { ODataMessageReaderSettings oDataReaderSettings = new ODataMessageReaderSettings(MessageReaderSettings); oDataReaderSettings.BaseUri = GetBaseAddress(Request); IODataRequestMessage oDataRequestMessage = new ODataMessageWrapper(readStream, contentHeaders, Request.GetODataContentIdMapping()); ODataMessageReader oDataMessageReader = new ODataMessageReader(oDataRequestMessage, oDataReaderSettings, model); Request.RegisterForDispose(oDataMessageReader); ODataPath path = Request.GetODataPath(); ODataDeserializerContext readContext = new ODataDeserializerContext { Path = path, Model = model, Request = Request, ResourceType = type, ResourceEdmType = expectedPayloadType, RequestContext = Request.GetRequestContext(), }; result = deserializer.Read(oDataMessageReader, type, readContext); } catch (Exception e) { if (formatterLogger == null) { throw; } formatterLogger.LogError(String.Empty, e); result = GetDefaultValueForType(type); } } return(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.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); } }); }
public override Task<object> ReadFromStreamAsync(Type type, Stream readStream, HttpContent content, IFormatterLogger formatterLogger) { if (type == null) { throw Error.ArgumentNull("type"); } if (readStream == null) { throw Error.ArgumentNull("readStream"); } if (_request == null) { throw Error.InvalidOperation(SRResources.ReadFromStreamAsyncMustHaveRequest); } return TaskHelpers.RunSynchronously<object>(() => { object result; HttpContentHeaders contentHeaders = content == null ? null : content.Headers; // If content length is 0 then return default value for this type if (contentHeaders == null || contentHeaders.ContentLength == 0) { result = GetDefaultValueForType(type); } else { IEdmModel model = _request.GetEdmModel(); if (model == null) { throw Error.InvalidOperation(SRResources.RequestMustHaveModel); } Type originalType = type; bool isPatchMode = TryGetInnerTypeForDelta(ref type); ODataDeserializer deserializer = _deserializerProvider.GetODataDeserializer(model, type); if (deserializer == null) { throw Error.Argument("type", SRResources.FormatterReadIsNotSupportedForType, type.FullName, GetType().FullName); } ODataMessageReader oDataMessageReader = null; ODataMessageReaderSettings oDataReaderSettings = new ODataMessageReaderSettings { DisableMessageStreamDisposal = true, MessageQuotas = MessageReaderQuotas, BaseUri = GetBaseAddress(_request) }; try { IODataRequestMessage oDataRequestMessage = new ODataMessageWrapper(readStream, contentHeaders); oDataMessageReader = new ODataMessageReader(oDataRequestMessage, oDataReaderSettings, model); _request.RegisterForDispose(oDataMessageReader); ODataPath path = _request.GetODataPath(); ODataDeserializerContext readContext = new ODataDeserializerContext { IsPatchMode = isPatchMode, Path = path, Model = model, Request = _request }; if (isPatchMode) { readContext.PatchEntityType = originalType; } result = deserializer.Read(oDataMessageReader, readContext); } catch (Exception e) { if (formatterLogger == null) { throw; } formatterLogger.LogError(String.Empty, e); result = GetDefaultValueForType(type); } } return 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.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); } })); }
/// <inheritdoc/> public override Task<object> ReadFromStreamAsync(Type type, Stream readStream, HttpContent content, IFormatterLogger formatterLogger) { if (type == null) { throw Error.ArgumentNull("type"); } if (readStream == null) { throw Error.ArgumentNull("readStream"); } object result = null; HttpContentHeaders contentHeaders = content == null ? null : content.Headers; // If content length is 0 then return default value for this type if (contentHeaders != null && contentHeaders.ContentLength == 0) { result = GetDefaultValueForType(type); } else { bool isPatchMode = TryGetInnerTypeForDelta(ref type); ODataDeserializer deserializer = ODataDeserializerProvider.GetODataDeserializer(type); if (deserializer == null) { throw Error.Argument("type", SRResources.FormatterReadIsNotSupportedForType, type.FullName, GetType().FullName); } ODataMessageReader oDataMessageReader = null; ODataMessageReaderSettings oDataReaderSettings = new ODataMessageReaderSettings { DisableMessageStreamDisposal = true }; try { IODataRequestMessage oDataRequestMessage = new ODataMessageWrapper(readStream, contentHeaders); oDataMessageReader = new ODataMessageReader(oDataRequestMessage, oDataReaderSettings, ODataDeserializerProvider.EdmModel); ODataDeserializerContext readContext = new ODataDeserializerContext { IsPatchMode = isPatchMode, PatchKeyMode = PatchKeyMode }; result = deserializer.Read(oDataMessageReader, readContext); } finally { if (oDataMessageReader != null) { oDataMessageReader.Dispose(); } } } return TaskHelpers.FromResult(result); }
public override Task <object> ReadFromStreamAsync(Type type, Stream readStream, HttpContent content, IFormatterLogger formatterLogger) { if (type == null) { throw Error.ArgumentNull("type"); } if (readStream == null) { throw Error.ArgumentNull("readStream"); } if (_request == null) { throw Error.InvalidOperation(SRResources.ReadFromStreamAsyncMustHaveRequest); } return(TaskHelpers.RunSynchronously <object>(() => { object result; HttpContentHeaders contentHeaders = content == null ? null : content.Headers; // If content length is 0 then return default value for this type if (contentHeaders == null || contentHeaders.ContentLength == 0) { result = GetDefaultValueForType(type); } else { IEdmModel model = _request.GetEdmModel(); if (model == null) { throw Error.InvalidOperation(SRResources.RequestMustHaveModel); } Type originalType = type; bool isPatchMode = TryGetInnerTypeForDelta(ref type); ODataDeserializer deserializer = _deserializerProvider.GetODataDeserializer(model, type); if (deserializer == null) { throw Error.Argument("type", SRResources.FormatterReadIsNotSupportedForType, type.FullName, GetType().FullName); } ODataMessageReader oDataMessageReader = null; ODataMessageReaderSettings oDataReaderSettings = new ODataMessageReaderSettings { DisableMessageStreamDisposal = true, MessageQuotas = MessageReaderQuotas, BaseUri = GetBaseAddress(_request) }; try { IODataRequestMessage oDataRequestMessage = new ODataMessageWrapper(readStream, contentHeaders); oDataMessageReader = new ODataMessageReader(oDataRequestMessage, oDataReaderSettings, model); _request.RegisterForDispose(oDataMessageReader); ODataPath path = _request.GetODataPath(); ODataDeserializerContext readContext = new ODataDeserializerContext { IsPatchMode = isPatchMode, Path = path, Model = model, Request = _request }; if (isPatchMode) { readContext.PatchEntityType = originalType; } result = deserializer.Read(oDataMessageReader, readContext); } catch (Exception e) { if (formatterLogger == null) { throw; } formatterLogger.LogError(String.Empty, e); result = GetDefaultValueForType(type); } } return 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.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 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.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); } }); }
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); } })); }