封装retrofit+okhttp+rxjava

最新推荐文章于 2023-05-09 14:56:40 发布

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本文介绍了一个基于Android平台使用OkHttp与Retrofit进行高效网络请求的实现方案，包括缓存管理、参数拦截及适配RxJava响应式编程。

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import android.os.Environment;

import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.TimeUnit;

import okhttp3.Cache;
import okhttp3.FormBody;
import okhttp3.Interceptor;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;
import retrofit2.Retrofit;
import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
import retrofit2.converter.scalars.ScalarsConverterFactory;

public class NetWorkOkHttp {
    public static OkHttpClient okHttpClient;
    public static NetWorkPort netWorkPort;
    static {
        getOkHttpClient();
    }

    public static OkHttpClient getOkHttpClient(){
     if(okHttpClient==null){
         synchronized (NetWorkOkHttp.class){
             File fileDir = new File(Environment.getExternalStorageDirectory(), "cache");
             long fileSize = 10 * 1024 * 1024;
             okHttpClient=new OkHttpClient.Builder()
                     .connectTimeout(20,TimeUnit.SECONDS)
                     .readTimeout(20,TimeUnit.SECONDS)
                     .writeTimeout(20,TimeUnit.SECONDS)
                     .addInterceptor(new CommonParamsInterceptor())
                     .cache(new Cache(fileDir,fileSize))
                     .build();
         }

     }
     return okHttpClient;
    }
public static NetWorkPort getNetWorkPort(){
    if(netWorkPort==null){
        synchronized (NetWorkOkHttp.class){
            netWorkPort=comApiT(NetWorkPort.class);
        }
    }
    return netWorkPort;

}
        public static  <T>T comApiT(Class<T> map){
            T t=new Retrofit.Builder()
                    .baseUrl("https://www.zhaoapi.cn/product/")
                    .client(okHttpClient)
                    .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
                    .addConverterFactory(ScalarsConverterFactory.create())
                    .build()
                    .create(map);
            return t;
        }




    private static class CommonParamsInterceptor implements Interceptor {
        @Override
        public Response intercept(Chain chain) throws IOException {
            Request request = chain.request();
            String method = request.method();
            String oldUrl = request.url().toString();
            Map<String,String> map = new HashMap<>();
            map.put("source","android");

            if ("GET".equals(method)){
                StringBuilder stringBuilder = new StringBuilder();
                stringBuilder.append(oldUrl);
                if (oldUrl.contains("?")){
                    if (oldUrl.indexOf("?") == oldUrl.length()-1){
                    }else {
                        stringBuilder.append("&");
                    }
                }else {
                    stringBuilder.append("?");
                }
                for (Map.Entry<String,String> entry: map.entrySet()) {
                    stringBuilder.append(entry.getKey())
                            .append("=")
                            .append(entry.getValue())
                            .append("&");
                }
                if (stringBuilder.indexOf("&") != -1){
                    stringBuilder.deleteCharAt(stringBuilder.lastIndexOf("&"));
                }
                String newUrl = stringBuilder.toString();
                request = request.newBuilder()
                        .url(newUrl)
                        .build();
            }else if ("POST".equals(method)){
                RequestBody oldRequestBody = request.body();
                if (oldRequestBody instanceof FormBody){
                    FormBody oldBody = (FormBody) oldRequestBody;
                    FormBody.Builder builder = new FormBody.Builder();
                    for (int i=0;i<oldBody.size();i++){
                        builder.add(oldBody.name(i),oldBody.value(i));
                    }
                    for (Map.Entry<String,String> entry:map.entrySet()) {
                        builder.add(entry.getKey(),entry.getValue());
                    }
                    FormBody newBody = builder.build();
                    request = request.newBuilder()
                            .url(oldUrl)
                            .post(newBody)
                            .build();
                }
            }
            Response response = chain.proceed(request);
            return response;
        }
    }
}


import java.util.Map;

import io.reactivex.Observable;
import retrofit2.http.FieldMap;
import retrofit2.http.GET;
import retrofit2.http.POST;
import retrofit2.http.QueryMap;
import retrofit2.http.Url;

public interface NetWorkPort {
    @GET
    public Observable<String> getadd(@Url String url, @QueryMap Map<String ,String> map);
    @POST
    public Observable<String> getPostadd(@Url String url, @FieldMap Map<String ,String> map);



}

import com.example.dell.wanghaofeangzhuang.Model.base.MyDateGouWU;
import com.example.dell.wanghaofeangzhuang.Model.base.MyDeteBean;
import com.example.dell.wanghaofeangzhuang.Model.base.MyUpDateBean;
import com.example.dell.wanghaofeangzhuang.Model.network.NetWorkOkHttp;
import com.example.dell.wanghaofeangzhuang.presenter.PresenterPort;
import com.google.gson.Gson;

import java.util.Map;

import io.reactivex.Observer;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.annotations.NonNull;
import io.reactivex.disposables.Disposable;
import io.reactivex.schedulers.Schedulers;

/**模型层
 * Created by dell on 2018/1/8.
 */

public class Model implements ModelPort{
    PresenterPort pr;

    public Model(PresenterPort pr) {
        this.pr = pr;
    }

    @Override
    public void addste(String url, Map<String, String> map) {
        NetWorkOkHttp.getNetWorkPort().getadd(url, map)
        .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Observer<String>() {
                    @Override
                    public void onSubscribe(@NonNull Disposable d) {

                    }

                    @Override
                    public void onNext(@NonNull String s) {
                        Gson gson=new Gson();
                        MyUpDateBean myUpDateBean = gson.fromJson(s, MyUpDateBean.class);
                    pr.add(myUpDateBean);
                    }

                    @Override
                    public void onError(@NonNull Throwable e) {

                    }

                    @Override
                    public void onComplete() {

                    }
                });

    }

    @Override
    public void xiangQing(String url, Map<String, String> map) {
        NetWorkOkHttp.getNetWorkPort().getadd(url, map)
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Observer<String>() {
                    @Override
                    public void onSubscribe(@NonNull Disposable d) {

                    }

                    @Override
                    public void onNext(@NonNull String s) {
                        Gson gson=new Gson();
                        MyDeteBean myDeteBean = gson.fromJson(s, MyDeteBean.class);
                        pr.xiangQing(myDeteBean);
                    }

                    @Override
                    public void onError(@NonNull Throwable e) {

                    }

                    @Override
                    public void onComplete() {

                    }
                });

    }

    @Override
    public void selectGouwu(String url, Map<String, String> map) {
        NetWorkOkHttp.getNetWorkPort().getadd(url, map)
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Observer<String>() {
                    @Override
                    public void onSubscribe(@NonNull Disposable d) {

                    }

                    @Override
                    public void onNext(@NonNull String s) {
                        Gson gson=new Gson();
                        MyDateGouWU myDateGouWU = gson.fromJson(s, MyDateGouWU.class);
                        pr.selectGou(myDateGouWU);
                    }

                    @Override
                    public void onError(@NonNull Throwable e) {

                    }

                    @Override
                    public void onComplete() {

                    }
                });

    }

}