Retrofit 刷新token

Retrofit 刷新token

package com.cmmboy.lib_basic.network;


import com.cmmboy.lib_basic.BuildConfig;
import com.cmmboy.lib_basic.sp.UserSharedPre;
import com.cmmboy.lib_basic.utils.LogUtils;
import com.google.gson.JsonObject;

import org.json.JSONException;
import org.json.JSONObject;

import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.TimeUnit;

import okhttp3.Interceptor;
import okhttp3.MediaType;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;
import okhttp3.ResponseBody;
import okhttp3.logging.HttpLoggingInterceptor;
import okio.Buffer;
import okio.BufferedSource;
import retrofit2.Retrofit;
import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
import retrofit2.converter.gson.GsonConverterFactory;

public class RetrofitManagement3 {


    private static final long READ_TIMEOUT = 6000;

    private static final long WRITE_TIMEOUT = 6000;

    private static final long CONNECT_TIMEOUT = 6000;

    private final Map mServiceMap = new ConcurrentHashMap();

    private RetrofitManagement3() {
    }

    public static RetrofitManagement3 getInstance() {
        return RetrofitHolder.mRetrofitManagement;
    }

    private static class RetrofitHolder {
        private static final RetrofitManagement3 mRetrofitManagement = new RetrofitManagement3();
    }


    /**
     * 打印请求消息
     *
     * @param request 请求的对象
     */
    private String getRequestInfo(Request request) {
        String str = "";
        if (null == request) {
            return str;
        }
        RequestBody requestBody = request.body();
        if (null == requestBody) {
            return str;
        }
        try {
            Buffer bufferedSink = new Buffer();
            requestBody.writeTo(bufferedSink);
            Charset charset = StandardCharsets.UTF_8;
            str = bufferedSink.readString(charset);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return str;
    }


    /**
     * 打印返回消息
     *
     * @param response 返回的对象
     */
    private String getResponseInfo(Response response) {
        String str = "";
        if (null == response || !response.isSuccessful()) {
            return str;
        }
        ResponseBody responseBody = response.body();
        if (null == responseBody) {
            return str;
        }
        long contentLength = responseBody.contentLength();
        BufferedSource source = responseBody.source();
        try {
            // Buffer the entire body.
            source.request(Long.MAX_VALUE);
        } catch (IOException e) {
            e.printStackTrace();
        }
        Buffer buffer = source.getBuffer();
        Charset charset = StandardCharsets.UTF_8;
        if (contentLength != 0) {
            str = buffer.clone().readString(charset);
        }
        return str;
    }


    private Retrofit createRetrofit(String url) {


        // 请求头拦截器，一般用于自行处理签名
        Interceptor requestInterceptor = new Interceptor() {
            @Override
            public Response intercept(Chain chain) throws IOException {
                Request request1 = chain.request();
                LogUtils.d("请求参数拦截1===>", request1 + "");
                LogUtils.d("请求参数拦截[请求格式]===>", request1.method() + "");
                LogUtils.d("请求参数拦截[请求参数]===>", getRequestInfo(request1));
                if (request1.method().equals("POST")) {
                    LogUtils.d("请求参数拦截[请求格式结果]===>", "POST");
                }
                //  配置请求头
                Request request = chain.request().newBuilder()
                        .header("token", UserSharedPre.getInstance().getToken())
                        .build();
                return chain.proceed(request);
            }
        };

        // Response拦截器
        Interceptor responseInterceptor = new Interceptor() {
            @Override
            public Response intercept(Chain chain) throws IOException {
                Request request = chain.request();
                Response response = chain.proceed(request);

                try {
                    JSONObject tokenJson = new JSONObject(getResponseInfo(response));
                    int code = tokenJson.optInt("code");
                    LogUtils.d("Response拦截器[返回参数]===>", code + "");
                    if (code == 401) {
                        LogUtils.d("登录失效,重新登录===>", code + "");
                        // ARouter.getInstance().build("/login/LoginActivityForBusiness").navigation();

                        //使用新的Token，创建新的请求
                        Request newRequest = chain.request().newBuilder()
                                .header("token", getNewToken())
                                .build();
                        return chain.proceed(newRequest);
                    }

                } catch (JSONException e) {
                    e.printStackTrace();
                }
                return response;
            }
        };

        OkHttpClient.Builder builder = new OkHttpClient.Builder()
                .readTimeout(READ_TIMEOUT, TimeUnit.SECONDS)
                .writeTimeout(WRITE_TIMEOUT, TimeUnit.SECONDS)
                .connectTimeout(CONNECT_TIMEOUT, TimeUnit.SECONDS)
                //请求数据拦截器
                .addInterceptor(requestInterceptor)
                //返回数据拦截器
                .addInterceptor(responseInterceptor)

//                .addInterceptor(new HeaderInterceptor())
//                .addInterceptor(new FilterInterceptor())
//                .retryOnConnectionFailure(true);
                ;
        if (BuildConfig.DEBUG) {
            HttpLoggingInterceptor httpLoggingInterceptor = new HttpLoggingInterceptor();
            httpLoggingInterceptor.setLevel(HttpLoggingInterceptor.Level.BODY);
            builder.addInterceptor(httpLoggingInterceptor);
        }


        OkHttpClient client = builder.build();
        return new Retrofit.Builder()
                .client(client)
//                .baseUrl("https://www.wanandroid.com/")
                .baseUrl(url)
                .addConverterFactory(GsonConverterFactory.create())
                .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
                .addCallAdapterFactory(new LiveDataCallAdapterFactory())
                .build();
    }

    /**
     * 重新获取Token
     *
     * @return
     */
    private String getNewToken() {
        JSONObject jsonObject = new JSONObject();
        try {
            jsonObject.put("username", "admin");
            jsonObject.put("password", "123456");
        } catch (JSONException e) {
            e.printStackTrace();
        }
        RequestBody body = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), jsonObject.toString());

        Retrofit retrofit = new Retrofit.Builder()
                .baseUrl("http://172.170.88.128:8081/")
                .addConverterFactory(GsonConverterFactory.create())
                .build();
        retrofit2.Response tokenJson = null;
        try {
            tokenJson = retrofit.create(TestApi.class).login2(body).execute();
        } catch (IOException e) {
            e.printStackTrace();
        }
        String token = "";
        try {
            JSONObject tokenObject = new JSONObject(tokenJson.body().toString());
            token = tokenObject.getString("token");
        } catch (JSONException e) {
            e.printStackTrace();
        }
        LogUtils.d("刷新后的Token1：", tokenJson.body().toString());
        LogUtils.d("刷新后的Token：", token);
        UserSharedPre.getInstance().setToken(token);

        return token;
    }

    public  T create(Class service) {
        return createRetrofit("http://172.170.88.128:8081/").create(service);
    }

     T getService(Class clazz) {
        return getService(clazz, HttpConfig.BASE_URL_WEATHER);
    }

    @SuppressWarnings("unchecked")
     T getService(Class clazz, String host) {
        T value;
        if (mServiceMap.containsKey(host)) {
            Object obj = mServiceMap.get(host);
            if (obj == null) {
                value = createRetrofit(host).create(clazz);
                mServiceMap.put(host, value);
            } else {
                value = (T) obj;
            }
        } else {
            value = createRetrofit(host).create(clazz);
            mServiceMap.put(host, value);
        }
        return value;
    }
}