Deserialize JSON Object into Java Class Based on JSON Key

gistfile1.txt

class ClassDeserializer<T> implements JsonDeserializer<T> {

    private Class<T> mClass;
    private String mKey;

    public ClassDeserializer(Class<T> targetClass, String key) {
        mClass = targetClass;
        mKey = key;
    }

    @Override
    public T deserialize(JsonElement je, Type type, JsonDeserializationContext jdc)
            throws JsonParseException {
        JsonElement content = je.getAsJsonObject().get(mKey);
        return new Gson().fromJson(content, mClass);

    }
}