Deserializing an abstract class in Gson

Question

I have a tree object in JSON format I\'m trying to deserialize with Gson. Each node contains its child nodes as fields of object type Node. Node is an interface, which has

Answer 1

You have to use TypeToken class from Google Gson. You will need of course has a generic class T to make it works

Type fooType = new TypeToken>() {}.getType();

gson.toJson(foo, fooType);

gson.fromJson(json, fooType);