protected override JsonObjectContract CreateObjectContract(Type objectType)
{
var contract = base.CreateObjectContract(objectType);
if (typeof(JsonModel).IsAssignableFrom(objectType))
{
contract.ExtensionDataGetter = instance =>
{
return(instance is JsonModel model && model.ExtensionData != null
? model.ExtensionData.Select(x => KeyValuePair.Create(x.Key as object, (x.Value as DefaultJsonToken).Token as object))
: null);
};
var skippedProperties = objectType.GetCustomAttribute <JsonSkippedPropertiesAttribute>()?.Properties;
contract.ExtensionDataSetter = (instance, key, value) =>
{
if (instance is not JsonModel model)
{
return;
}
if (skippedProperties != null && Array.IndexOf(skippedProperties, key) != -1)
{
return;
}
IJsonToken token;
if (value == null)
{
token = null;
}
else if (value is JToken jToken)
{
token = DefaultJsonToken.Create(jToken, _serializer.UnderlyingSerializer);
}
else
{
token = DefaultJsonToken.Create(JToken.FromObject(value, _serializer.UnderlyingSerializer), _serializer.UnderlyingSerializer);
}
model.ExtensionData.Add(key, token);
};
}
return(contract);
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
var token = JToken.ReadFrom(reader);
return(DefaultJsonToken.Create(token, serializer));
}