public static IDictionary <string, object> ReadODataBody(ModelBindingContext bindingContext)
{
ODataActionPayloadDeserializer deserializer = bindingContext.HttpContext.Request.GetSubServiceProvider().GetService <ODataActionPayloadDeserializer>();
if (deserializer == null)
{
return(null);
}
ODataDeserializerContext context = BuildDeserializerContext(bindingContext);
HttpRequest request = bindingContext.HttpContext.Request;
var body = request.HttpContext.Features.Get <Http.Features.IHttpBodyControlFeature>();
if (body != null)
{
body.AllowSynchronousIO = true;
}
IODataRequestMessage oDataRequestMessage =
ODataMessageWrapperHelper.Create(request.Body, request.Headers);
IEdmModel model = request.GetModel();
using (var messageReader = new ODataMessageReader(oDataRequestMessage, null, model))
{
var result = deserializer.Read(messageReader, typeof(ODataActionParameters), context);
return(result as ODataActionParameters);
}
}
internal static async Task <object> ReadFromStreamAsync(
Type type,
object defaultValue,
Uri baseAddress,
ODataVersion version,
HttpRequest request,
IList <IDisposable> disposes)
{
object result;
IEdmModel model = request.GetModel();
IEdmTypeReference expectedPayloadType;
ODataDeserializer deserializer = GetDeserializer(request, type, out expectedPayloadType);
if (deserializer == null)
{
throw Error.Argument("type", SRResources.FormatterReadIsNotSupportedForType, type.FullName, typeof(ODataInputFormatter).FullName);
}
try
{
ODataMessageReaderSettings oDataReaderSettings = request.GetReaderSettings();
oDataReaderSettings.BaseUri = baseAddress;
oDataReaderSettings.Validations = oDataReaderSettings.Validations & ~ValidationKinds.ThrowOnUndeclaredPropertyForNonOpenType;
oDataReaderSettings.Version = version;
// WebAPI should read untyped values as structural values by setting ReadUntypedAsString=false.
// In ODL 8.x, ReadUntypedAsString option will be deleted.
oDataReaderSettings.ReadUntypedAsString = false;
IODataRequestMessage oDataRequestMessage =
ODataMessageWrapperHelper.Create(new StreamWrapper(request.Body), request.Headers, request.GetODataContentIdMapping(), request.GetSubServiceProvider());
ODataMessageReader oDataMessageReader = new ODataMessageReader(oDataRequestMessage, oDataReaderSettings, model);
disposes.Add(oDataMessageReader);
ODataPath path = request.ODataFeature().Path;
ODataDeserializerContext readContext = BuildDeserializerContext(request);
readContext.Path = path;
readContext.Model = model;
readContext.ResourceType = type;
readContext.ResourceEdmType = expectedPayloadType;
result = await deserializer.ReadAsync(oDataMessageReader, type, readContext).ConfigureAwait(false);
}
catch (Exception ex)
{
LoggerError(request.HttpContext, ex);
result = defaultValue;
}
return(result);
}
internal static object ReadFromStream(Type type, object defaultValue, Uri baseAddress, HttpRequest request, IList <IDisposable> disposes)
{
object result;
IEdmModel model = request.GetModel();
IEdmTypeReference expectedPayloadType;
ODataDeserializer deserializer = GetDeserializer(request, type, out expectedPayloadType);
if (deserializer == null)
{
throw Error.Argument("type", SRResources.FormatterReadIsNotSupportedForType, type.FullName, typeof(ODataInputFormatter).FullName);
}
try
{
ODataMessageReaderSettings oDataReaderSettings = request.GetReaderSettings();
oDataReaderSettings.BaseUri = baseAddress;
oDataReaderSettings.Validations = oDataReaderSettings.Validations & ~ValidationKinds.ThrowOnUndeclaredPropertyForNonOpenType;
IODataRequestMessage oDataRequestMessage =
ODataMessageWrapperHelper.Create(request.Body, request.Headers, request.GetODataContentIdMapping(), request.GetSubServiceProvider());
ODataMessageReader oDataMessageReader = new ODataMessageReader(oDataRequestMessage, oDataReaderSettings, model);
disposes.Add(oDataMessageReader);
ODataPath path = request.ODataFeature().Path;
ODataDeserializerContext readContext = new ODataDeserializerContext
{
Request = request,
};
readContext.Path = path;
readContext.Model = model;
readContext.ResourceType = type;
readContext.ResourceEdmType = expectedPayloadType;
result = deserializer.Read(oDataMessageReader, type, readContext);
}
catch (Exception ex)
{
LoggerError(request.HttpContext, ex);
result = defaultValue;
}
return(result);
}
public static async Task <IDictionary <string, object> > ReadODataBodyAsync(ModelBindingContext bindingContext)
{
ODataActionPayloadDeserializer deserializer = bindingContext.HttpContext.Request.GetRouteServices().GetService <ODataActionPayloadDeserializer>();
if (deserializer == null)
{
return(null);
}
ODataDeserializerContext context = BuildDeserializerContext(bindingContext);
HttpRequest request = bindingContext.HttpContext.Request;
IODataRequestMessage oDataRequestMessage =
ODataMessageWrapperHelper.Create(request.Body, request.Headers);
IEdmModel model = request.GetModel();
using (var messageReader = new ODataMessageReader(oDataRequestMessage, null, model))
{
var result = await deserializer.ReadAsync(messageReader, typeof(ODataActionParameters), context).ConfigureAwait(false);
return(result as ODataActionParameters);
}
}
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 = path == null ? null : path.GetNavigationSource();
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 == null || IsOperationPath(path)) ? null : path.Path,
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);
}
}
