private object CreateDynamic(JsonReader reader, JsonDynamicContract contract, string id) { IDynamicMetaObjectProvider newObject = null; if (contract.UnderlyingType.IsInterface || contract.UnderlyingType.IsAbstract) throw new JsonSerializationException("Could not create an instance of type {0}. Type is an interface or abstract class and cannot be instantated.".FormatWith(CultureInfo.InvariantCulture, contract.UnderlyingType)); if (contract.DefaultCreator != null && (!contract.DefaultCreatorNonPublic || Serializer.ConstructorHandling == ConstructorHandling.AllowNonPublicDefaultConstructor)) newObject = (IDynamicMetaObjectProvider) contract.DefaultCreator(); else throw new JsonSerializationException("Unable to find a default constructor to use for type {0}.".FormatWith(CultureInfo.InvariantCulture, contract.UnderlyingType)); if (id != null) Serializer.ReferenceResolver.AddReference(this, id, newObject); contract.InvokeOnDeserializing(newObject, Serializer.Context); int initialDepth = reader.Depth; bool exit = false; do { switch (reader.TokenType) { case JsonToken.PropertyName: string memberName = reader.Value.ToString(); try { if (!reader.Read()) throw new JsonSerializationException("Unexpected end when setting {0}'s value.".FormatWith(CultureInfo.InvariantCulture, memberName)); // first attempt to find a settable property, otherwise fall back to a dynamic set without type JsonProperty property = contract.Properties.GetClosestMatchProperty(memberName); if (property != null && property.Writable && !property.Ignored) { SetPropertyValue(property, reader, newObject); } else { Type t = (JsonReader.IsPrimitiveToken(reader.TokenType)) ? reader.ValueType : typeof (IDynamicMetaObjectProvider); object value = CreateValueNonProperty(reader, t, GetContractSafe(t, null)); newObject.TrySetMember(memberName, value); } } catch (Exception ex) { if (IsErrorHandled(newObject, contract, memberName, ex)) HandleError(reader, initialDepth); else throw; } break; case JsonToken.EndObject: exit = true; break; default: throw new JsonSerializationException("Unexpected token when deserializing object: " + reader.TokenType); } } while (!exit && reader.Read()); contract.InvokeOnDeserialized(newObject, Serializer.Context); return newObject; }