/// <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));
}
/// <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");
}
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 };
try
{
IODataRequestMessage oDataRequestMessage = new ODataMessageWrapper(readStream, contentHeaders);
oDataMessageReader = new ODataMessageReader(oDataRequestMessage, oDataReaderSettings, model);
ODataPath path = _request == null ? null : _request.GetODataPath();
ODataDeserializerContext readContext = new ODataDeserializerContext
{
IsPatchMode = isPatchMode,
Path = path,
Model = model
};
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);
}
finally
{
if (oDataMessageReader != null)
{
oDataMessageReader.Dispose();
}
}
}
return result;
});
}
/// <summary>
/// Creates an <see cref="ODataMaterializer"/> for a response.
/// </summary>
/// <param name="responseMessage">The response message.</param>
/// <param name="responseInfo">The response context.</param>
/// <param name="materializerType">The type to materialize.</param>
/// <param name="queryComponents">The query components for the request.</param>
/// <param name="plan">The projection plan.</param>
/// <param name="payloadKind">expected payload kind.</param>
/// <returns>A materializer specialized for the given response.</returns>
public static ODataMaterializer CreateMaterializerForMessage(
IODataResponseMessage responseMessage,
ResponseInfo responseInfo,
Type materializerType,
QueryComponents queryComponents,
ProjectionPlan plan,
ODataPayloadKind payloadKind)
{
ODataMessageReader messageReader = CreateODataMessageReader(responseMessage, responseInfo, ref payloadKind);
ODataMaterializer result;
IEdmType edmType = null;
try
{
ODataMaterializerContext materializerContext = new ODataMaterializerContext(responseInfo);
// Since in V1/V2, astoria client allowed Execute<object> and depended on the typeresolver or the wire type name
// to get the clr type to materialize. Hence if we see the materializer type as object, we should set the edmtype
// to null, since there is no expected type.
if (materializerType != typeof(System.Object))
{
edmType = responseInfo.TypeResolver.ResolveExpectedTypeForReading(materializerType);
}
if (payloadKind == ODataPayloadKind.Property && edmType != null)
{
if (edmType.TypeKind.IsStructured())
{
payloadKind = ODataPayloadKind.Resource;
}
else if (edmType.TypeKind == EdmTypeKind.Collection && (edmType as IEdmCollectionType).ElementType.IsStructured())
{
payloadKind = ODataPayloadKind.ResourceSet;
}
}
if (payloadKind == ODataPayloadKind.Resource || payloadKind == ODataPayloadKind.ResourceSet)
{
// In V1/V2, we allowed System.Object type to be allowed to pass to ExecuteQuery.
// Hence we need to explicitly check for System.Object to allow this
if (edmType != null && !edmType.TypeKind.IsStructured())
{
throw DSClient.Error.InvalidOperation(DSClient.Strings.AtomMaterializer_InvalidNonEntityType(materializerType.FullName));
}
ODataReaderWrapper reader = ODataReaderWrapper.Create(messageReader, payloadKind, edmType, responseInfo.ResponsePipeline);
EntityTrackingAdapter entityTrackingAdapter = new EntityTrackingAdapter(responseInfo.EntityTracker, responseInfo.MergeOption, responseInfo.Model, responseInfo.Context);
LoadPropertyResponseInfo loadPropertyResponseInfo = responseInfo as LoadPropertyResponseInfo;
if (loadPropertyResponseInfo != null)
{
result = new ODataLoadNavigationPropertyMaterializer(
messageReader,
reader,
materializerContext,
entityTrackingAdapter,
queryComponents,
materializerType,
plan,
loadPropertyResponseInfo);
}
else
{
result = new ODataReaderEntityMaterializer(
messageReader,
reader,
materializerContext,
entityTrackingAdapter,
queryComponents,
materializerType,
plan);
}
}
else
{
switch (payloadKind)
{
case ODataPayloadKind.Value:
result = new ODataValueMaterializer(messageReader, materializerContext, materializerType, queryComponents.SingleResult);
break;
case ODataPayloadKind.Collection:
result = new ODataCollectionMaterializer(messageReader, materializerContext, materializerType, queryComponents.SingleResult);
break;
case ODataPayloadKind.Property:
case ODataPayloadKind.IndividualProperty:
// Top level properties cannot be of entity type.
if (edmType != null && (edmType.TypeKind == EdmTypeKind.Entity || edmType.TypeKind == EdmTypeKind.Complex))
{
throw DSClient.Error.InvalidOperation(DSClient.Strings.AtomMaterializer_InvalidEntityType(materializerType.FullName));
}
result = new ODataPropertyMaterializer(messageReader, materializerContext, materializerType, queryComponents.SingleResult);
break;
case ODataPayloadKind.EntityReferenceLinks:
case ODataPayloadKind.EntityReferenceLink:
result = new ODataLinksMaterializer(messageReader, materializerContext, materializerType, queryComponents.SingleResult);
break;
case ODataPayloadKind.Error:
var odataError = messageReader.ReadError();
throw new ODataErrorException(odataError.Message, odataError);
default:
throw DSClient.Error.InvalidOperation(DSClient.Strings.AtomMaterializer_InvalidResponsePayload(XmlConstants.DataWebNamespace));
}
}
return(result);
}
catch (Exception ex)
{
if (CommonUtil.IsCatchableExceptionType(ex))
{
// Dispose the message reader in all error scenarios.
messageReader.Dispose();
}
throw;
}
}
/// <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);
}
/// <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");
}
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
{
Type originalType = type;
bool isPatchMode = TryGetInnerTypeForDelta(ref type);
ODataDeserializer deserializer = _deserializerProvider.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, _deserializerProvider.EdmModel);
ODataDeserializerContext readContext = new ODataDeserializerContext {
IsPatchMode = isPatchMode, Request = _request, Model = _model
};
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);
}
finally
{
if (oDataMessageReader != null)
{
oDataMessageReader.Dispose();
}
}
}
return result;
}));
}
public static ODataMaterializer CreateMaterializerForMessage(IODataResponseMessage responseMessage, System.Data.Services.Client.ResponseInfo responseInfo, Type materializerType, QueryComponents queryComponents, ProjectionPlan plan, ODataPayloadKind payloadKind)
{
ODataMaterializer materializer2;
bool projectionQuery = (plan != null) || (queryComponents.Projection != null);
ODataMessageReader messageReader = CreateODataMessageReader(responseMessage, responseInfo, projectionQuery, ref payloadKind);
IEdmType expectedType = null;
try
{
ODataMaterializer materializer;
if (materializerType != typeof(object))
{
expectedType = ClientEdmModel.GetModel(responseInfo.MaxProtocolVersion).GetOrCreateEdmType(materializerType);
}
if ((payloadKind == ODataPayloadKind.Entry) || (payloadKind == ODataPayloadKind.Feed))
{
if ((expectedType != null) && (expectedType.TypeKind != EdmTypeKind.Entity))
{
throw System.Data.Services.Client.Error.InvalidOperation(System.Data.Services.Client.Strings.AtomMaterializer_InvalidNonEntityType(materializerType.FullName));
}
ODataReader reader = CreateODataReader(messageReader, payloadKind, expectedType, responseInfo.MaxProtocolVersion);
materializer = new ODataReaderEntityMaterializer(messageReader, reader, responseInfo, queryComponents, materializerType, plan);
}
else
{
switch (payloadKind)
{
case ODataPayloadKind.Property:
if ((expectedType != null) && (expectedType.TypeKind == EdmTypeKind.Entity))
{
throw System.Data.Services.Client.Error.InvalidOperation(System.Data.Services.Client.Strings.AtomMaterializer_InvalidEntityType(materializerType.FullName));
}
break;
case ODataPayloadKind.EntityReferenceLink:
case ODataPayloadKind.EntityReferenceLinks:
materializer = new ODataLinksMaterializer(messageReader, responseInfo, materializerType, queryComponents.SingleResult);
goto Label_013A;
case ODataPayloadKind.Value:
materializer = new ODataValueMaterializer(messageReader, responseInfo, materializerType, queryComponents.SingleResult);
goto Label_013A;
case ODataPayloadKind.BinaryValue:
case ODataPayloadKind.Collection:
case ODataPayloadKind.ServiceDocument:
case ODataPayloadKind.MetadataDocument:
goto Label_0129;
case ODataPayloadKind.Error:
{
ODataError error = messageReader.ReadError();
throw new ODataErrorException(error.Message, error);
}
default:
goto Label_0129;
}
materializer = new ODataPropertyMaterializer(messageReader, responseInfo, materializerType, queryComponents.SingleResult);
}
goto Label_013A;
Label_0129:
throw System.Data.Services.Client.Error.InvalidOperation(System.Data.Services.Client.Strings.AtomMaterializer_InvalidResponsePayload(responseInfo.DataNamespace));
Label_013A:
materializer2 = materializer;
}
catch (Exception exception)
{
if (CommonUtil.IsCatchableExceptionType(exception))
{
messageReader.Dispose();
}
throw;
}
return(materializer2);
}
