internal static IODataResponseMessage PrepareResponseMessage(IWebApiRequestMessage internalRequest, IWebApiHeaders internalRequestHeaders, Func <IServiceProvider, ODataMessageWrapper> getODataMessageWrapper) { string preferHeader = RequestPreferenceHelpers.GetRequestPreferHeader(internalRequestHeaders); string annotationFilter = null; string omitValues = null; int? maxPageSize = null; if (!String.IsNullOrEmpty(preferHeader)) { ODataMessageWrapper messageWrapper = getODataMessageWrapper(null); messageWrapper.SetHeader(RequestPreferenceHelpers.PreferHeaderName, preferHeader); annotationFilter = messageWrapper.PreferHeader().AnnotationFilter; omitValues = messageWrapper.PreferHeader().OmitValues; maxPageSize = messageWrapper.PreferHeader().MaxPageSize; } IODataResponseMessage responseMessage = getODataMessageWrapper(internalRequest.RequestContainer); if (annotationFilter != null) { responseMessage.PreferenceAppliedHeader().AnnotationFilter = annotationFilter; } if (omitValues != null) { responseMessage.PreferenceAppliedHeader().OmitValues = omitValues; } if (maxPageSize != null) { responseMessage.PreferenceAppliedHeader().MaxPageSize = maxPageSize; } return(responseMessage); }
internal static void WriteToStream( Type type, object value, IEdmModel model, ODataVersion version, Uri baseAddress, MediaTypeHeaderValue contentType, IWebApiUrlHelper internaUrlHelper, IWebApiRequestMessage internalRequest, IWebApiHeaders internalRequestHeaders, Func <IServiceProvider, ODataMessageWrapper> getODataMessageWrapper, Func <IEdmTypeReference, ODataSerializer> getEdmTypeSerializer, Func <Type, ODataSerializer> getODataPayloadSerializer, Func <ODataSerializerContext> getODataSerializerContext) { if (model == null) { throw Error.InvalidOperation(SRResources.RequestMustHaveModel); } ODataSerializer serializer = GetSerializer(type, value, internalRequest, getEdmTypeSerializer, getODataPayloadSerializer); ODataPath path = internalRequest.Context.Path; IEdmNavigationSource targetNavigationSource = path == null ? null : path.NavigationSource; // serialize a response string preferHeader = RequestPreferenceHelpers.GetRequestPreferHeader(internalRequestHeaders); string annotationFilter = null; if (!String.IsNullOrEmpty(preferHeader)) { ODataMessageWrapper messageWrapper = getODataMessageWrapper(null); messageWrapper.SetHeader(RequestPreferenceHelpers.PreferHeaderName, preferHeader); annotationFilter = messageWrapper.PreferHeader().AnnotationFilter; } IODataResponseMessage responseMessage = getODataMessageWrapper(internalRequest.RequestContainer); if (annotationFilter != null) { responseMessage.PreferenceAppliedHeader().AnnotationFilter = annotationFilter; } ODataMessageWriterSettings writerSettings = internalRequest.WriterSettings; writerSettings.BaseUri = baseAddress; writerSettings.Version = version; writerSettings.Validations = writerSettings.Validations & ~ValidationKinds.ThrowOnUndeclaredPropertyForNonOpenType; string metadataLink = internaUrlHelper.CreateODataLink(MetadataSegment.Instance); if (metadataLink == null) { throw new SerializationException(SRResources.UnableToDetermineMetadataUrl); } //Set this variable if the SelectExpandClause is different from the processed clause on the Query options SelectExpandClause selectExpandDifferentFromQueryOptions = null; if (internalRequest.Context.QueryOptions != null && internalRequest.Context.QueryOptions.SelectExpand != null) { if (internalRequest.Context.QueryOptions.SelectExpand.ProcessedSelectExpandClause != internalRequest.Context.ProcessedSelectExpandClause) { selectExpandDifferentFromQueryOptions = internalRequest.Context.ProcessedSelectExpandClause; } } else if (internalRequest.Context.ProcessedSelectExpandClause != null) { selectExpandDifferentFromQueryOptions = internalRequest.Context.ProcessedSelectExpandClause; } writerSettings.ODataUri = new ODataUri { ServiceRoot = baseAddress, SelectAndExpand = internalRequest.Context.ProcessedSelectExpandClause, Apply = internalRequest.Context.ApplyClause, Path = ConvertPath(path), }; ODataMetadataLevel metadataLevel = ODataMetadataLevel.MinimalMetadata; if (contentType != null) { IEnumerable <KeyValuePair <string, string> > parameters = contentType.Parameters.Select(val => new KeyValuePair <string, string>(val.Name, val.Value)); metadataLevel = ODataMediaTypes.GetMetadataLevel(contentType.MediaType, parameters); } using (ODataMessageWriter messageWriter = new ODataMessageWriter(responseMessage, writerSettings, model)) { ODataSerializerContext writeContext = getODataSerializerContext(); writeContext.NavigationSource = targetNavigationSource; writeContext.Model = model; writeContext.RootElementName = GetRootElementName(path) ?? "root"; writeContext.SkipExpensiveAvailabilityChecks = serializer.ODataPayloadKind == ODataPayloadKind.ResourceSet; writeContext.Path = path; writeContext.MetadataLevel = metadataLevel; writeContext.QueryOptions = internalRequest.Context.QueryOptions; //Set the SelectExpandClause on the context if it was explicitly specified. if (selectExpandDifferentFromQueryOptions != null) { writeContext.SelectExpandClause = selectExpandDifferentFromQueryOptions; } serializer.WriteObject(value, type, messageWriter, writeContext); } }
private void WriteResponseBody(OutputFormatterContext context) { HttpRequest request = context.ActionContext.HttpContext.Request; HttpResponse response = context.ActionContext.HttpContext.Response; IEdmModel model = request.ODataProperties().Model; if (model == null) { throw Error.InvalidOperation(SRResources.RequestMustHaveModel); } object value = context.Object; Type type = value.GetType(); ODataSerializer serializer = GetSerializer(type, value, model, new DefaultODataSerializerProvider(), request); IUrlHelper urlHelper = context.ActionContext.HttpContext.UrlHelper(); ODataPath path = request.ODataProperties().Path; IEdmNavigationSource targetNavigationSource = path == null ? null : path.NavigationSource; string preferHeader = RequestPreferenceHelpers.GetRequestPreferHeader(request); string annotationFilter = null; if (!String.IsNullOrEmpty(preferHeader)) { ODataMessageWrapper messageWrapper = new ODataMessageWrapper(response.Body, response.Headers); messageWrapper.SetHeader(RequestPreferenceHelpers.PreferHeaderName, preferHeader); annotationFilter = messageWrapper.PreferHeader().AnnotationFilter; } IODataResponseMessage responseMessage = new ODataMessageWrapper(response.Body, response.Headers); if (annotationFilter != null) { responseMessage.PreferenceAppliedHeader().AnnotationFilter = annotationFilter; } Uri baseAddress = GetBaseAddress(request); ODataMessageWriterSettings writerSettings = new ODataMessageWriterSettings(_messageWriterSettings) { PayloadBaseUri = baseAddress, Version = ODataProperties.DefaultODataVersion, }; string metadataLink = urlHelper.CreateODataLink(new MetadataPathSegment()); if (metadataLink == null) { throw new SerializationException(SRResources.UnableToDetermineMetadataUrl); } writerSettings.ODataUri = new ODataUri { ServiceRoot = baseAddress, // TODO: 1604 Convert webapi.odata's ODataPath to ODL's ODataPath, or use ODL's ODataPath. SelectAndExpand = request.ODataProperties().SelectExpandClause, Path = (path == null || IsOperationPath(path)) ? null : path.ODLPath, }; using (ODataMessageWriter messageWriter = new ODataMessageWriter(responseMessage, writerSettings, model)) { ODataSerializerContext writeContext = new ODataSerializerContext() { Request = request, RequestContext = request.HttpContext, Url = urlHelper, NavigationSource = targetNavigationSource, Model = model, RootElementName = GetRootElementName(path) ?? "root", SkipExpensiveAvailabilityChecks = serializer.ODataPayloadKind == ODataPayloadKind.Feed, Path = path, MetadataLevel = ODataMediaTypes.GetMetadataLevel(context.SelectedContentType), SelectExpandClause = request.ODataProperties().SelectExpandClause }; serializer.WriteObject(value, type, messageWriter, writeContext); } }
private void WriteResponseBody(OutputFormatterContext context) { HttpRequest request = context.HttpContext.Request; HttpResponse response = context.HttpContext.Response; IEdmModel model = request.ODataProperties().Model; if (model == null) { throw Error.InvalidOperation(SRResources.RequestMustHaveModel); } object value = context.Object; Type type = value.GetType(); ODataSerializer serializer = GetSerializer(type, value, model, new DefaultODataSerializerProvider(), request); IUrlHelper urlHelper = context.HttpContext.UrlHelper(); ODataPath path = request.ODataProperties().Path; IEdmNavigationSource targetNavigationSource = path == null ? null : path.NavigationSource; string preferHeader = RequestPreferenceHelpers.GetRequestPreferHeader(request); string annotationFilter = null; if (!String.IsNullOrEmpty(preferHeader)) { ODataMessageWrapper messageWrapper = new ODataMessageWrapper(response.Body, response.Headers); messageWrapper.SetHeader(RequestPreferenceHelpers.PreferHeaderName, preferHeader); annotationFilter = messageWrapper.PreferHeader().AnnotationFilter; } IODataResponseMessage responseMessage = new ODataMessageWrapper(response.Body, response.Headers); if (annotationFilter != null) { responseMessage.PreferenceAppliedHeader().AnnotationFilter = annotationFilter; } Uri baseAddress = GetBaseAddress(request); ODataMessageWriterSettings writerSettings = new ODataMessageWriterSettings(_messageWriterSettings) { PayloadBaseUri = baseAddress, Version = ODataProperties.DefaultODataVersion, }; string metadataLink = urlHelper.CreateODataLink(new MetadataPathSegment()); if (metadataLink == null) { throw new SerializationException(SRResources.UnableToDetermineMetadataUrl); } writerSettings.ODataUri = new ODataUri { ServiceRoot = baseAddress, // TODO: 1604 Convert webapi.odata's ODataPath to ODL's ODataPath, or use ODL's ODataPath. SelectAndExpand = request.ODataProperties().SelectExpandClause, Path = (path == null || IsOperationPath(path)) ? null : path.ODLPath, }; using (ODataMessageWriter messageWriter = new ODataMessageWriter(responseMessage, writerSettings, model)) { ODataSerializerContext writeContext = new ODataSerializerContext() { Request = request, RequestContext = request.HttpContext, Url = urlHelper, NavigationSource = targetNavigationSource, Model = model, RootElementName = GetRootElementName(path) ?? "root", SkipExpensiveAvailabilityChecks = serializer.ODataPayloadKind == ODataPayloadKind.Feed, Path = path, MetadataLevel = ODataMediaTypes.GetMetadataLevel(context.SelectedContentType), SelectExpandClause = request.ODataProperties().SelectExpandClause }; serializer.WriteObject(value, type, messageWriter, writeContext); } }