fastjson自定义反序列化

demo.md

public class LoginResponse {
    private UserInfo userInfo;
    ...
}

public class UserInfo {
    private List<String> attrList;
    ...
}

public static void main(String[] args) {
    ExtraProcessor processor = new ExtraProcessor(){
        @Override
        public void processExtra(Object object, String key, Object value) {
            if("attr1".equals(key)) {
                UserInfo userInfo = (UserInfo)object;
                String strValue = (String)value;
                userInfo.setAttrList(Arrays.asList(strValue.split(",")));
            }
        }
    };
    String str = "{\"userInfo\":{\"attr1\":\"abc,efg,hij\"}}";
    LoginResponse loginResponse = JSON.parseObject(str, LoginResponse.class, processor);
    System.out.println(loginResponse);
}

LoginResponse{userInfo=UserInfo{attrList=[abc, efg, hij]}}