private object CreateDynamic(JsonReader reader, JsonDynamicContract contract, string id)
{
IDynamicMetaObjectProvider newObject = null;
if (contract.UnderlyingType.IsInterface || contract.UnderlyingType.IsAbstract)
throw CreateSerializationException(reader, "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 CreateSerializationException(reader, "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 CreateSerializationException(reader, "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)
{
if (property.PropertyContract == null)
property.PropertyContract = GetContractSafe(property.PropertyType);
JsonConverter propertyConverter = GetConverter(property.PropertyContract, property.MemberConverter);
SetPropertyValue(property, propertyConverter, reader, newObject);
}
else
{
Type t = (JsonReader.IsPrimitiveToken(reader.TokenType)) ? reader.ValueType : typeof (IDynamicMetaObjectProvider);
JsonContract dynamicMemberContract = GetContractSafe(t);
JsonConverter dynamicMemberConverter = GetConverter(dynamicMemberContract, null);
object value = CreateValueNonProperty(reader, t, dynamicMemberContract, dynamicMemberConverter);
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 CreateSerializationException(reader, "Unexpected token when deserializing object: " + reader.TokenType);
}
} while (!exit && reader.Read());
contract.InvokeOnDeserialized(newObject, Serializer.Context);
return newObject;
}
/// <summary>
/// Serializes the dynamic.
/// </summary>
/// <param name="writer">The writer.</param>
/// <param name="value">The value.</param>
/// <param name="contract">The contract.</param>
private void SerializeDynamic(JsonWriter writer, IDynamicMetaObjectProvider value, JsonDynamicContract contract)
{
contract.InvokeOnSerializing(value, Serializer.Context);
_serializeStack.Add(value);
writer.WriteStartObject();
foreach (string memberName in value.GetDynamicMemberNames())
{
object memberValue;
if (DynamicUtils.TryGetMember(value, memberName, out memberValue))
{
string resolvedPropertyName = (contract.PropertyNameResolver != null)
? contract.PropertyNameResolver(memberName)
: memberName;
writer.WritePropertyName(resolvedPropertyName);
SerializeValue(writer, memberValue, GetContractSafe(memberValue), null, null);
}
}
writer.WriteEndObject();
_serializeStack.RemoveAt(_serializeStack.Count - 1);
contract.InvokeOnSerialized(value, Serializer.Context);
}