ReflectiveTypeAdapterFactory.java 文件源码

private TypeAdapter<?> getFieldAdapter(Gson gson, Field field, TypeToken<?> fieldType) {
  JsonAdapter annotation = field.getAnnotation(JsonAdapter.class);
  if (annotation != null) {
    TypeAdapter<?> adapter = getTypeAdapter(constructorConstructor, gson, fieldType, annotation);
    if (adapter != null) return adapter;
  }
  return gson.getAdapter(fieldType);
}