private static void FillParameters(IEdmModel edmModel, List <KeyValuePair <String, Object> > parameters, Stream requestStream, IEdmOperation operation, String contentType)
{
if (!operation.Parameters.Any())
{
return;
}
IODataRequestMessage requestMessage = new Infrastructure.OeInMemoryMessage(requestStream, contentType);
var settings = new ODataMessageReaderSettings()
{
EnableMessageStreamDisposal = false
};
using (var messageReader = new ODataMessageReader(requestMessage, settings, edmModel))
{
ODataParameterReader parameterReader = messageReader.CreateODataParameterReader(operation);
while (parameterReader.Read())
{
Object value;
switch (parameterReader.State)
{
case ODataParameterReaderState.Value:
{
value = OeEdmClrHelper.GetValue(edmModel, parameterReader.Value);
break;
}
case ODataParameterReaderState.Collection:
{
ODataCollectionReader collectionReader = parameterReader.CreateCollectionReader();
value = OeEdmClrHelper.GetValue(edmModel, ReadCollection(collectionReader));
break;
}
case ODataParameterReaderState.Resource:
{
ODataReader reader = parameterReader.CreateResourceReader();
value = OeEdmClrHelper.GetValue(edmModel, ReadResource(reader));
break;
}
case ODataParameterReaderState.ResourceSet:
{
ODataReader reader = parameterReader.CreateResourceSetReader();
value = OeEdmClrHelper.GetValue(edmModel, ReadResourceSet(reader));
break;
}
default:
continue;
}
parameters.Add(new KeyValuePair <String, Object>(parameterReader.Name, value));
}
}
}
private static void ReadResource(IEdmAction action, ODataParameterReader reader, ODataDeserializerContext readContext, ODataDeserializerProvider deserializerProvider, Dictionary <string, object> payload)
{
string parameterName;
IEdmOperationParameter parameter = GetParameter(action, reader, out parameterName);
Contract.Assert(parameter.Type.IsStructured());
object item = reader.CreateResourceReader().ReadResourceOrResourceSet();
ODataResourceDeserializer resourceDeserializer = (ODataResourceDeserializer)deserializerProvider.GetEdmTypeDeserializer(parameter.Type);
payload[parameterName] = resourceDeserializer.ReadInline(item, parameter.Type, readContext);
}
private object CreateSubReader(ODataParameterReader parameterReader, CreateReaderMethods createMethod)
{
switch (createMethod)
{
case CreateReaderMethods.CreateResourceReader:
return(parameterReader.CreateResourceReader());
case CreateReaderMethods.CreateResourceSetReader:
return(parameterReader.CreateResourceSetReader());
case CreateReaderMethods.CreateCollectionReader:
return(parameterReader.CreateCollectionReader());
default:
throw new NotSupportedException("Unsupported create method: " + createMethod);
}
}
public override object Read(ODataMessageReader messageReader, Type type, ODataDeserializerContext readContext)
{
if (messageReader == null)
{
throw Error.ArgumentNull("messageReader");
}
IEdmAction action = GetAction(readContext);
Contract.Assert(action != null);
// Create the correct resource type;
Dictionary <string, object> payload;
if (type == typeof(ODataActionParameters))
{
payload = new ODataActionParameters();
}
else
{
payload = new ODataUntypedActionParameters(action);
}
ODataParameterReader reader = messageReader.CreateODataParameterReader(action);
while (reader.Read())
{
string parameterName = null;
IEdmOperationParameter parameter = null;
switch (reader.State)
{
case ODataParameterReaderState.Value:
parameterName = reader.Name;
parameter = action.Parameters.SingleOrDefault(p => p.Name == parameterName);
// ODataLib protects against this but asserting just in case.
Contract.Assert(parameter != null, String.Format(CultureInfo.InvariantCulture, "Parameter '{0}' not found.", parameterName));
if (parameter.Type.IsPrimitive())
{
payload[parameterName] = reader.Value;
}
else
{
ODataEdmTypeDeserializer deserializer = DeserializerProvider.GetEdmTypeDeserializer(parameter.Type);
payload[parameterName] = deserializer.ReadInline(reader.Value, parameter.Type, readContext);
}
break;
case ODataParameterReaderState.Collection:
parameterName = reader.Name;
parameter = action.Parameters.SingleOrDefault(p => p.Name == parameterName);
// ODataLib protects against this but asserting just in case.
Contract.Assert(parameter != null, String.Format(CultureInfo.InvariantCulture, "Parameter '{0}' not found.", parameterName));
IEdmCollectionTypeReference collectionType = parameter.Type as IEdmCollectionTypeReference;
Contract.Assert(collectionType != null);
ODataCollectionValue value = ODataCollectionDeserializer.ReadCollection(reader.CreateCollectionReader());
ODataCollectionDeserializer collectionDeserializer = (ODataCollectionDeserializer)DeserializerProvider.GetEdmTypeDeserializer(collectionType);
payload[parameterName] = collectionDeserializer.ReadInline(value, collectionType, readContext);
break;
case ODataParameterReaderState.Resource:
parameterName = reader.Name;
parameter = action.Parameters.SingleOrDefault(p => p.Name == parameterName);
Contract.Assert(parameter != null, String.Format(CultureInfo.InvariantCulture, "Parameter '{0}' not found.", parameterName));
Contract.Assert(parameter.Type.IsStructured());
ODataReader resourceReader = reader.CreateResourceReader();
object item = resourceReader.ReadResourceOrResourceSet();
ODataResourceDeserializer resourceDeserializer = (ODataResourceDeserializer)DeserializerProvider.GetEdmTypeDeserializer(parameter.Type);
payload[parameterName] = resourceDeserializer.ReadInline(item, parameter.Type, readContext);
break;
case ODataParameterReaderState.ResourceSet:
parameterName = reader.Name;
parameter = action.Parameters.SingleOrDefault(p => p.Name == parameterName);
Contract.Assert(parameter != null, String.Format(CultureInfo.InvariantCulture, "Parameter '{0}' not found.", parameterName));
IEdmCollectionTypeReference resourceSetType = parameter.Type as IEdmCollectionTypeReference;
Contract.Assert(resourceSetType != null);
ODataReader resourceSetReader = reader.CreateResourceSetReader();
object feed = resourceSetReader.ReadResourceOrResourceSet();
ODataResourceSetDeserializer resourceSetDeserializer = (ODataResourceSetDeserializer)DeserializerProvider.GetEdmTypeDeserializer(resourceSetType);
object result = resourceSetDeserializer.ReadInline(feed, resourceSetType, readContext);
IEdmTypeReference elementTypeReference = resourceSetType.ElementType();
Contract.Assert(elementTypeReference.IsStructured());
IEnumerable enumerable = result as IEnumerable;
if (enumerable != null)
{
if (readContext.IsUntyped)
{
payload[parameterName] = enumerable.ConvertToEdmObject(resourceSetType);
}
else
{
Type elementClrType = EdmLibHelpers.GetClrType(elementTypeReference, readContext.Model);
IEnumerable castedResult =
_castMethodInfo.MakeGenericMethod(elementClrType)
.Invoke(null, new[] { result }) as IEnumerable;
payload[parameterName] = castedResult;
}
}
break;
}
}
return(payload);
}