Android OkHttp3处理重定向

 final HashMap<String,String> headers=new HashMap<>();
        headers.put("Authorization","Bearer c.eQBOOWuOAbqoTA713DDxOfoxahXB6DqmY8iQmFT0tSWcLlnZEBlkbv3KQRgLRr6slD9R4UoSCsScuAVrCfarBlVyRSZKSZp1MbWvhVsrwLtLoo9SU9JoeJ56Hf3GCBG1iIbJExVQduDtaKOX");
        OkHttpUtil.getInstance().asynGet("https://developer-api.nest.com",headers, new OkHttpUtil.ResultCallBack() {
            @Override
            public void successListener(okhttp3.Call call, Response response) {
                switch (response.code()){
                    case 200:
                        break;
                    case 401:
                        OkHttpUtil.getInstance().asynGet(String.valueOf(response.request().url()),headers, new OkHttpUtil.ResultCallBack() {
                            @Override
                            public void successListener(Call call, Response response) {
                                try {
                                    Log.i("wsy","code="+response.code()+
                                            "\nbody="+response.body().string());
                                } catch (IOException e) {
                                    e.printStackTrace();
                                }
                            }

                            @Override
                            public void failListener(Call call, IOException e) {

                            }
                        });
                        break;
                }
            }

            @Override
            public void failListener(okhttp3.Call call, IOException e) {
                Log.i(TAG,"error--"+e.getLocalizedMessage());
            }
        });
    }