JsonAdapterAnnotationTypeAdapterFactory.java 文件源码

public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> targetType) {
    JsonAdapter annotation = (JsonAdapter) targetType.getRawType().getAnnotation(JsonAdapter
            .class);
    if (annotation == null) {
        return null;
    }
    return getTypeAdapter(this.constructorConstructor, gson, targetType, annotation);
}