/// <inheritdoc />
public ODataEntityTypeSerializer(ODataSerializerProvider serializerProvider)
: base(ODataPayloadKind.Entry, serializerProvider)
{
}
internal ODataMediaTypeFormatter(ODataVersion oDataVersion, ODataDeserializerProvider oDataDeserializerProvider, ODataSerializerProvider oDataSerializerProvider)
: this(oDataDeserializerProvider, oDataSerializerProvider)
{
_defaultODataVersion = oDataVersion;
}
/// <summary>
/// Initializes a new instance of the <see cref="RestierCollectionSerializer" /> class.
/// </summary>
/// <param name="provider">The serializer provider.</param>
public RestierCollectionSerializer(ODataSerializerProvider provider)
: base(provider)
{
}
public AnnotatingEntitySerializer(ODataSerializerProvider serializerProvider)
: base(serializerProvider)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="ODataMediaTypeFormatter"/> class.
/// </summary>
/// <param name="deserializerProvider">The <see cref="ODataDeserializerProvider"/> to use.</param>
/// <param name="serializerProvider">The <see cref="ODataSerializerProvider"/> to use.</param>
/// <param name="payloadKinds">The kind of payloads this formatter supports.</param>
public ODataMediaTypeFormatter(ODataDeserializerProvider deserializerProvider, ODataSerializerProvider serializerProvider,
IEnumerable <ODataPayloadKind> payloadKinds)
{
if (deserializerProvider == null)
{
throw Error.ArgumentNull("deserializerProvider");
}
if (serializerProvider == null)
{
throw Error.ArgumentNull("serializerProvider");
}
if (payloadKinds == null)
{
throw Error.ArgumentNull("payloadKinds");
}
_deserializerProvider = deserializerProvider;
_serializerProvider = serializerProvider;
_payloadKinds = payloadKinds;
// Maxing out the received message size as we depend on the hosting layer to enforce this limit.
MessageWriterSettings = new ODataMessageWriterSettings
{
Indent = true,
DisableMessageStreamDisposal = true,
MessageQuotas = new ODataMessageQuotas {
MaxReceivedMessageSize = Int64.MaxValue
}
};
MessageReaderSettings = new ODataMessageReaderSettings
{
DisableMessageStreamDisposal = true,
MessageQuotas = new ODataMessageQuotas {
MaxReceivedMessageSize = Int64.MaxValue
},
};
_version = HttpRequestMessageProperties.DefaultODataVersion;
}
public override Task WriteResponseBodyAsync(OutputFormatterWriteContext context, Encoding selectedEncoding)
{
Type type = context.ObjectType;
if (type == null)
{
throw Error.ArgumentNull("type");
}
type = TypeHelper.GetTaskInnerTypeOrSelf(type);
HttpRequest request = context.HttpContext.Request;
if (request == null)
{
throw Error.InvalidOperation(SRResources.WriteToStreamAsyncMustHaveRequest);
}
try
{
#if !NETSTANDARD2_0
var body = request.HttpContext.Features.Get <AspNetCore.Http.Features.IHttpBodyControlFeature>();
if (body != null)
{
body.AllowSynchronousIO = true;
}
#endif
HttpResponse response = context.HttpContext.Response;
Uri baseAddress = GetBaseAddressInternal(request);
MediaTypeHeaderValue contentType = GetContentType(response.Headers[HeaderNames.ContentType].FirstOrDefault());
Func <ODataSerializerContext> getODataSerializerContext = () =>
{
return(new ODataSerializerContext()
{
Request = request,
});
};
ODataSerializerProvider serializerProvider = request.GetRequestContainer().GetRequiredService <ODataSerializerProvider>();
ODataOutputFormatterHelper.WriteToStream(
type,
context.Object,
request.GetModel(),
ResultHelpers.GetODataResponseVersion(request),
baseAddress,
contentType,
new WebApiUrlHelper(request.GetUrlHelper()),
new WebApiRequestMessage(request),
new WebApiRequestHeaders(request.Headers),
(services) => ODataMessageWrapperHelper.Create(response.Body, response.Headers, services),
(edmType) => serializerProvider.GetEdmTypeSerializer(edmType),
(objectType) => serializerProvider.GetODataPayloadSerializer(objectType, request),
getODataSerializerContext);
return(TaskHelpers.Completed());
}
catch (Exception ex)
{
return(TaskHelpers.FromError(ex));
}
}
public CustomFeedSerializer(ODataSerializerProvider serializerProvider)
: base(serializerProvider)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="RestierResourceSetSerializer" /> class.
/// </summary>
/// <param name="provider">The serializer provider.</param>
public RestierResourceSetSerializer(ODataSerializerProvider provider)
: base(provider)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="RestierComplexTypeSerializer" /> class.
/// </summary>
/// <param name="provider">The serializer provider.</param>
public RestierComplexTypeSerializer(ODataSerializerProvider provider)
: base(provider)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="RestierFeedSerializer" /> class.
/// </summary>
/// <param name="provider">The serializer provider.</param>
public RestierFeedSerializer(ODataSerializerProvider provider)
: base(provider)
{
}
protected DefaultStreamAwareEntityTypeSerializer(ODataSerializerProvider serializerProvider)
: base(serializerProvider)
{
}
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);
}
}));
}
protected SampleODataResourceSerializer(ODataSerializerProvider serializerProvider)
: base(serializerProvider)
{
}
public MediaEntityTypeSerializer(ODataSerializerProvider serializerProvider)
: base(serializerProvider)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="ODataCollectionSerializer"/> class.
/// </summary>
/// <param name="serializerProvider">The serializer provider to use to serialize nested objects.</param>
public ODataCollectionSerializer(ODataSerializerProvider serializerProvider)
: base(ODataPayloadKind.Collection, serializerProvider)
{
}
public NuGetEntityTypeSerializer(ODataSerializerProvider serializerProvider)
: base(serializerProvider)
{
ContentType = "application/zip";
}
public SkipNullValueEntitySerializer(ODataSerializerProvider serializerProvider) : base(serializerProvider)
{
}
/// <summary>
/// constructor
/// </summary>
/// <param name="provider"></param>
public IgnoreEmptyListsResourceSetSerializer(ODataSerializerProvider provider) : base(provider)
{
}
/// <inheritdoc/>
public override bool CanWriteResult(OutputFormatterCanWriteContext context)
{
if (context == null)
{
throw Error.ArgumentNull("context");
}
// Ensure we have a valid request.
HttpRequest request = context.HttpContext.Request;
if (request == null)
{
throw Error.InvalidOperation(SRResources.ReadFromStreamAsyncMustHaveRequest);
}
// Ignore non-OData requests.
if (request.ODataFeature().Path == null)
{
return(false);
}
// Allow the base class to make its determination, which includes
// checks for SupportedMediaTypes.
bool suportedMediaTypeFound = false;
if (SupportedMediaTypes.Any())
{
suportedMediaTypeFound = base.CanWriteResult(context);
}
// See if the request satisfies any mappings.
IEnumerable <MediaTypeMapping> matchedMappings = (MediaTypeMappings == null) ? null : MediaTypeMappings
.Where(m => (m.TryMatchMediaType(request) > 0));
// Now pick the best content type. If a media mapping was found, use that and override the
// value specified by the controller, if any. Otherwise, let the base class decide.
if (matchedMappings != null && matchedMappings.Any())
{
context.ContentType = matchedMappings.First().MediaType.ToString();
}
else if (!suportedMediaTypeFound)
{
return(false);
}
// We need the type in order to write it.
Type type = context.ObjectType ?? context.Object?.GetType();
if (type == null)
{
return(false);
}
type = TypeHelper.GetTaskInnerTypeOrSelf(type);
ODataSerializerProvider serializerProvider = request.GetRequestContainer().GetRequiredService <ODataSerializerProvider>();
// See if this type is a SingleResult or is derived from SingleResult.
bool isSingleResult = false;
if (type.IsGenericType)
{
Type genericType = type.GetGenericTypeDefinition();
Type baseType = TypeHelper.GetBaseType(type);
isSingleResult = (genericType == typeof(SingleResult <>) || baseType == typeof(SingleResult));
}
return(ODataOutputFormatterHelper.CanWriteType(
type,
_payloadKinds,
isSingleResult,
new WebApiRequestMessage(request),
(objectType) => serializerProvider.GetODataPayloadSerializer(objectType, request)));
}
public CustomFeedSerializer(IEdmCollectionTypeReference edmType, ODataSerializerProvider serializerProvider)
: base(edmType, serializerProvider)
{
}
public CustomEntrySerializer(ODataSerializerProvider serializerProvider)
: base(serializerProvider)
{
}
public override Task WriteToStreamAsync(Type type, object value, Stream writeStream, HttpContent content,
TransportContext transportContext, CancellationToken cancellationToken)
{
if (type == null)
{
throw Error.ArgumentNull("type");
}
if (writeStream == null)
{
throw Error.ArgumentNull("writeStream");
}
if (Request == null)
{
throw Error.InvalidOperation(SRResources.WriteToStreamAsyncMustHaveRequest);
}
if (cancellationToken.IsCancellationRequested)
{
return(TaskHelpers.Canceled());
}
try
{
if (typeof(Stream).IsAssignableFrom(type))
{
// Ideally, it should go into the "ODataRawValueSerializer",
// However, OData lib doesn't provide the method to overwrite/copyto stream
// So, Here's the workaround
Stream objStream = value as Stream;
return(CopyStreamAsync(objStream, writeStream));
}
HttpConfiguration configuration = Request.GetConfiguration();
if (configuration == null)
{
throw Error.InvalidOperation(SRResources.RequestMustContainConfiguration);
}
HttpContentHeaders contentHeaders = (content == null) ? null : content.Headers;
UrlHelper urlHelper = Request.GetUrlHelper() ?? new UrlHelper(Request);
Func <ODataSerializerContext> getODataSerializerContext = () =>
{
return(new ODataSerializerContext()
{
Request = Request,
Url = urlHelper,
});
};
ODataSerializerProvider serializerProvider = Request.GetRequestContainer()
.GetRequiredService <ODataSerializerProvider>();
ODataOutputFormatterHelper.WriteToStream(
type,
value,
Request.GetModel(),
ResultHelpers.GetODataResponseVersion(Request),
GetBaseAddressInternal(Request),
contentHeaders == null ? null : contentHeaders.ContentType,
new WebApiUrlHelper(urlHelper),
new WebApiRequestMessage(Request),
new WebApiRequestHeaders(Request.Headers),
(services) => ODataMessageWrapperHelper.Create(writeStream, contentHeaders, services),
(edmType) => serializerProvider.GetEdmTypeSerializer(edmType),
(objectType) => serializerProvider.GetODataPayloadSerializer(objectType, Request),
getODataSerializerContext);
return(TaskHelpers.Completed());
}
catch (Exception ex)
{
return(TaskHelpers.FromError(ex));
}
}
private ODataSerializer GetSerializer(Type type, object value, IEdmModel model, ODataSerializerProvider serializerProvider)
{
ODataSerializer serializer;
IEdmObject edmObject = value as IEdmObject;
if (edmObject != null)
{
IEdmTypeReference edmType = edmObject.GetEdmType();
if (edmType == null)
{
throw new SerializationException(Error.Format(SRResources.EdmTypeCannotBeNull,
edmObject.GetType().FullName, typeof(IEdmObject).Name));
}
serializer = serializerProvider.GetEdmTypeSerializer(edmType);
if (serializer == null)
{
string message = Error.Format(SRResources.TypeCannotBeSerialized, edmType.ToTraceString(), typeof(ODataMediaTypeFormatter).Name);
throw new SerializationException(message);
}
}
else
{
// get the most appropriate serializer given that we support inheritance.
type = value == null ? type : value.GetType();
serializer = serializerProvider.GetODataPayloadSerializer(model, type, Request);
if (serializer == null)
{
string message = Error.Format(SRResources.TypeCannotBeSerialized, type.Name, typeof(ODataMediaTypeFormatter).Name);
throw new SerializationException(message);
}
}
return(serializer);
}
/// <inheritdoc/>
public override bool CanWriteResult(OutputFormatterCanWriteContext context)
{
if (context == null)
{
throw Error.ArgumentNull("context");
}
// Ensure we have a valid request.
HttpRequest request = context.HttpContext.Request;
if (request == null)
{
throw Error.InvalidOperation(SRResources.ReadFromStreamAsyncMustHaveRequest);
}
// Ignore non-OData requests.
if (request.ODataFeature().Path == null)
{
return(false);
}
// Be noted: Before coming here (.NET 5), the ContentType is reset as empty as:
// formatterContext.ContentType = new StringSegment();
// Allow the base class to make its determination, which includes
// checks for SupportedMediaTypes.
bool suportedMediaTypeFound = false;
if (SupportedMediaTypes.Any())
{
suportedMediaTypeFound = base.CanWriteResult(context);
}
// See if the request satisfies any mappings.
IEnumerable <MediaTypeMapping> matchedMappings = (MediaTypeMappings == null) ? null : MediaTypeMappings
.Where(m => m.TryMatchMediaType(request) > 0);
// Now pick the best content type. If a media mapping was found, use that and override the
// value specified by the controller, if any. Otherwise, let the base class decide.
if (matchedMappings != null && matchedMappings.Any())
{
context.ContentType = matchedMappings.First().MediaType.ToString();
}
else if (!suportedMediaTypeFound)
{
return(false);
}
// We need the type in order to write it.
Type type = context.ObjectType ?? context.Object?.GetType();
if (type == null)
{
return(false);
}
type = TypeHelper.GetTaskInnerTypeOrSelf(type);
ODataSerializerProvider serializerProvider = request.GetSubServiceProvider().GetRequiredService <ODataSerializerProvider>();
// See if this type is a SingleResult or is derived from SingleResult.
bool isSingleResult = false;
if (type.IsGenericType)
{
Type genericType = type.GetGenericTypeDefinition();
Type baseType = type.BaseType;
isSingleResult = (genericType == typeof(SingleResult <>) || baseType == typeof(SingleResult));
}
ODataPayloadKind?payloadKind;
Type elementType;
if (typeof(IEdmObject).IsAssignableFrom(type) ||
(TypeHelper.IsCollection(type, out elementType) && typeof(IEdmObject).IsAssignableFrom(elementType)))
{
payloadKind = GetEdmObjectPayloadKind(type, request);
}
else
{
payloadKind = GetClrObjectResponsePayloadKind(type, isSingleResult, serializerProvider, request);
}
return(payloadKind == null ? false : _payloadKinds.Contains(payloadKind.Value));
}
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);
}
}));
}
public override Task WriteToStreamAsync(Type type, object value, Stream writeStream, HttpContent content,
TransportContext transportContext, CancellationToken cancellationToken)
{
if (type == null)
{
throw Error.ArgumentNull("type");
}
if (writeStream == null)
{
throw Error.ArgumentNull("writeStream");
}
if (Request == null)
{
throw Error.InvalidOperation(SRResources.WriteToStreamAsyncMustHaveRequest);
}
if (cancellationToken.IsCancellationRequested)
{
return(TaskHelpers.Canceled());
}
try
{
HttpConfiguration configuration = Request.GetConfiguration();
if (configuration == null)
{
throw Error.InvalidOperation(SRResources.RequestMustContainConfiguration);
}
HttpContentHeaders contentHeaders = (content == null) ? null : content.Headers;
UrlHelper urlHelper = Request.GetUrlHelper() ?? new UrlHelper(Request);
Func <ODataSerializerContext> getODataSerializerContext = () =>
{
return(new ODataSerializerContext()
{
Request = Request,
Url = urlHelper,
});
};
ODataSerializerProvider serializerProvider = Request.GetRequestContainer()
.GetRequiredService <ODataSerializerProvider>();
ODataOutputFormatterHelper.WriteToStream(
type,
value,
Request.GetModel(),
_version,
GetBaseAddressInternal(Request),
contentHeaders == null ? null : contentHeaders.ContentType,
new WebApiUrlHelper(urlHelper),
new WebApiRequestMessage(Request),
new WebApiRequestHeaders(Request.Headers),
(services) => ODataMessageWrapperHelper.Create(writeStream, contentHeaders, services),
(edmType) => serializerProvider.GetEdmTypeSerializer(edmType),
(objectType) => serializerProvider.GetODataPayloadSerializer(objectType, Request),
getODataSerializerContext);
return(TaskHelpers.Completed());
}
catch (Exception ex)
{
return(TaskHelpers.FromError(ex));
}
}
internal ODataMediaTypeFormatter(ODataDeserializerProvider oDataDeserializerProvider, ODataSerializerProvider oDataSerializerProvider)
{
ODataDeserializerProvider = oDataDeserializerProvider;
Model = oDataDeserializerProvider.EdmModel;
ODataSerializerProvider = oDataSerializerProvider;
SupportedMediaTypes.Add(ODataFormatterConstants.ApplicationAtomXmlMediaType);
SupportedMediaTypes.Add(ODataFormatterConstants.ApplicationJsonMediaType);
SupportedMediaTypes.Add(ODataFormatterConstants.ApplicationXmlMediaType);
SupportedEncodings.Add(new UnicodeEncoding(bigEndian: false, byteOrderMark: true, throwOnInvalidBytes: true));
SupportedEncodings.Add(new UTF8Encoding(encoderShouldEmitUTF8Identifier: false, throwOnInvalidBytes: true));
}
public MyODataResourceSerializer(ODataSerializerProvider serializerProvider)
: base(serializerProvider)
{
}
internal static async Task WriteToStreamAsync(
Type type,
object value,
IEdmModel model,
ODataVersion version,
Uri baseAddress,
MediaTypeHeaderValue contentType,
HttpRequest request,
IHeaderDictionary requestHeaders,
ODataSerializerProvider serializerProvider)
{
if (model == null)
{
throw Error.InvalidOperation(SRResources.RequestMustHaveModel);
}
ODataSerializer serializer = GetSerializer(type, value, request, serializerProvider);
ODataPath path = request.ODataFeature().Path;
IEdmNavigationSource targetNavigationSource = GetTargetNavigationSource(path, model);
HttpResponse response = request.HttpContext.Response;
// serialize a response
string preferHeader = RequestPreferenceHelpers.GetRequestPreferHeader(requestHeaders);
string annotationFilter = null;
if (!string.IsNullOrEmpty(preferHeader))
{
ODataMessageWrapper messageWrapper = ODataMessageWrapperHelper.Create(response.Body, response.Headers);
messageWrapper.SetHeader(RequestPreferenceHelpers.PreferHeaderName, preferHeader);
annotationFilter = messageWrapper.PreferHeader().AnnotationFilter;
}
IODataResponseMessageAsync responseMessage = ODataMessageWrapperHelper.Create(new StreamWrapper(response.Body), response.Headers, request.GetSubServiceProvider());
if (annotationFilter != null)
{
responseMessage.PreferenceAppliedHeader().AnnotationFilter = annotationFilter;
}
ODataMessageWriterSettings writerSettings = request.GetWriterSettings();
writerSettings.BaseUri = baseAddress;
writerSettings.Version = version;
writerSettings.Validations = writerSettings.Validations & ~ValidationKinds.ThrowOnUndeclaredPropertyForNonOpenType;
string metadataLink = request.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;
ODataQueryOptions queryOptions = request.GetQueryOptions();
SelectExpandClause processedSelectExpandClause = request.ODataFeature().SelectExpandClause;
if (queryOptions != null && queryOptions.SelectExpand != null)
{
if (queryOptions.SelectExpand.ProcessedSelectExpandClause != processedSelectExpandClause)
{
selectExpandDifferentFromQueryOptions = processedSelectExpandClause;
}
}
else if (processedSelectExpandClause != null)
{
selectExpandDifferentFromQueryOptions = processedSelectExpandClause;
}
writerSettings.ODataUri = new ODataUri
{
ServiceRoot = baseAddress,
// TODO: 1604 Convert webapi.odata's ODataPath to ODL's ODataPath, or use ODL's ODataPath.
SelectAndExpand = processedSelectExpandClause,
Apply = request.ODataFeature().ApplyClause,
Path = path
};
ODataMetadataLevel metadataLevel = ODataMetadataLevel.Minimal;
if (contentType != null)
{
IEnumerable <KeyValuePair <string, string> > parameters =
contentType.Parameters.Select(val => new KeyValuePair <string, string>(val.Name.ToString(),
val.Value.ToString()));
metadataLevel = ODataMediaTypes.GetMetadataLevel(contentType.MediaType.ToString(), parameters);
}
using (ODataMessageWriter messageWriter = new ODataMessageWriter(responseMessage, writerSettings, model))
{
ODataSerializerContext writeContext = BuildSerializerContext(request);
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 = queryOptions;
//Set the SelectExpandClause on the context if it was explicitly specified.
if (selectExpandDifferentFromQueryOptions != null)
{
writeContext.SelectExpandClause = selectExpandDifferentFromQueryOptions;
}
await serializer.WriteObjectAsync(value, type, messageWriter, writeContext).ConfigureAwait(false);
}
}
public MySerializer(ODataSerializerProvider sp) : base(sp)
{
}
/// <summary>
/// Initializes a new instance of <see cref="ODataDeltaFeedSerializer"/>.
/// </summary>
/// <param name="serializerProvider">The <see cref="ODataSerializerProvider"/> to use to write nested entries.</param>
public ODataDeltaFeedSerializer(ODataSerializerProvider serializerProvider)
: base(ODataPayloadKind.Delta, serializerProvider)
{
}
public MockContainer()
{
serializerProvider = new DefaultODataSerializerProvider(this);
collectionSerializer = new ODataCollectionSerializer(serializerProvider);
primitiveSerializer = new ODataPrimitiveSerializer();
}
/// <summary>
/// Initializes a new instance of the <see cref="ODataComplexTypeSerializer"/> class.
/// </summary>
/// <param name="serializerProvider">The serializer provider to use to serialize nested objects.</param>
public ODataComplexTypeSerializer(ODataSerializerProvider serializerProvider)
: base(ODataPayloadKind.Property, serializerProvider)
{
}
public DefaultODataEnumSerializer(ODataSerializerProvider serializerProvider)
: base(serializerProvider)
{
}
