Retrofit+RXjava的封装+添加OkHttp拦截器日志和缓存

package com.bawei.net;

import io.reactivex.Observer;
import io.reactivex.disposables.Disposable;

/**
 * 作者：$yangxiangrong
 * 

 * 2019/4/18 18:58
 */
public abstract class ObserverIml implements Observer {
    @Override
    public void onSubscribe(Disposable d) {

    }

    @Override
    public abstract void onNext(T t) ;

    @Override
    public abstract void onError(Throwable e) ;

    @Override
    public void onComplete() {

    }
}

package com.bawei.net;

import java.util.Map;

import io.reactivex.Observable;
import okhttp3.ResponseBody;
import retrofit2.http.GET;
import retrofit2.http.HeaderMap;
import retrofit2.http.POST;
import retrofit2.http.PUT;
import retrofit2.http.QueryMap;
import retrofit2.http.Url;

/**
 * 作者：$yangxiangrong
 * 

 * 2019/4/18 19:00
 */
public interface HttpService {
    @GET
    Observable  get(@Url String url, @HeaderMap MaphandMap, @QueryMap Mapmap);
    @POST
    Observable  post(@Url String url, @HeaderMap MaphandMap, @QueryMap Mapmap);
    @PUT
    Observable  put(@Url String url, @HeaderMap MaphandMap, @QueryMap Mapmap);
}

package com.bawei.net;


import com.google.gson.Gson;

import java.util.HashMap;
import java.util.Map;

import io.reactivex.Observable;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.schedulers.Schedulers;
import okhttp3.ResponseBody;
import retrofit2.Retrofit;
import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;

/**
 * 作者：$yangxiangrong
 * 

 * 2019/4/18 18:53
 */
public class HttpUtils {
    private  String base_url = "http://172.17.8.100";
    //更改baseurl
    public HttpUtils setBaseUrl(String base_url){
        this.base_url=base_url;
        return this;
    }

    //传递头参
    private Map headMap = new HashMap<>();

    public HttpUtils setHead(Map headMap) {
        this.headMap = headMap;
        return this;
    }

    //get请求
    public HttpUtils get(String url, Map map) {
        if (map == null) {
            map = new HashMap<>();
        }
        HttpService service = getHttpService();
        Observable ob = service.get(url, headMap, map);
        send(ob);
        return this;
    }
    //post请求
    public HttpUtils post(String url, Map map) {
        HttpService service = getHttpService();
        Observable ob = service.post(url, headMap, map);
        send(ob);
        return this;
    }

    //put请求
    public HttpUtils put(String url, Map map) {
        HttpService service = getHttpService();
        Observable ob = service.put(url, headMap, map);
        send(ob);
        return this;
    }
//获取请求接口
    private HttpService getHttpService() {
        //添加OkHttp拦截器和缓存路径
        File file=new File(Environment.getExternalStorageDirectory().getAbsolutePath());
        long size=1024*10;
        OkHttpClient client=new OkHttpClient.Builder()
                .addInterceptor(new Interceptor() {
                    @Override
                    public Response intercept(Chain chain) throws IOException {
                        Request request = chain.request();
                        return chain.proceed(request);
                    }
                }).cache(new Cache(file,size))
                .build();
        Retrofit retrofit = new Retrofit.Builder()
        		.client(client)
                .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
                .baseUrl(base_url).build();
        return retrofit.create(HttpService.class);
    }
    //产生订阅的方法
    private void send(Observable ob) {
        ob.subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new ObserverIml() {
                    @Override
                    public void onNext(ResponseBody responseBody) {
                        try {

                            if (cls == null) {//返回字符串
                                mHttpListener.success(responseBody.string());
                            } else {
                                //返回JavaBean
                                Object bean = new Gson().fromJson(responseBody.string(), cls);
                                mHttpBeanListener.success(bean);
                            }

                        } catch (Exception e) {
                            e.printStackTrace();
                        }
                    }

                    @Override
                    public void onError(Throwable e) {
                        if (cls == null) {
                            mHttpListener.fail(e.getMessage());
                        } else {
                            mHttpBeanListener.fail(e.getMessage());
                        }

                    }
                });
    }

    //传递javabean接口
    private HttpBeanListener mHttpBeanListener;
    private Class cls;
    public void resultBean(Class cls, HttpBeanListener mHttpBeanListener) {
        this.cls = cls;
        this.mHttpBeanListener = mHttpBeanListener;
    }

    //返回JavaBean
    public interface HttpBeanListener {
        void success(T t);

        void fail(String error);
    }

    //传递接口
    private HttpListener mHttpListener;

    public void result(HttpListener mHttpListener) {
        this.mHttpListener = mHttpListener;
    }

    //返回字符串
    public interface HttpListener {
        void success(String data);

        void fail(String error);
    }

}

注意*******

  implementation 'com.squareup.retrofit2:adapter-rxjava2:2.4.0'
    implementation 'com.squareup.retrofit2:converter-gson:2.4.0'
    implementation 'io.reactivex.rxjava2:rxandroid:2.1.0'