private static void ReadCollection(IEdmAction action, ODataParameterReader reader, ODataDeserializerContext readContext, ODataDeserializerProvider deserializerProvider, Dictionary <string, object> payload)
{
string parameterName;
IEdmCollectionTypeReference collectionType = GetCollectionParameterType(action, reader, out parameterName);
ODataCollectionValue value = ODataCollectionDeserializer.ReadCollection(reader.CreateCollectionReader());
ODataCollectionDeserializer collectionDeserializer = (ODataCollectionDeserializer)deserializerProvider.GetEdmTypeDeserializer(collectionType);
payload[parameterName] = collectionDeserializer.ReadInline(value, collectionType, readContext);
}
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);
}