NetworkModule.java

package io.hefuyi.zhihudaily.injector.module;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;

import java.util.concurrent.TimeUnit;

import dagger.Module;
import dagger.Provides;
import io.hefuyi.zhihudaily.Constants;
import io.hefuyi.zhihudaily.DailyApplication;
import io.hefuyi.zhihudaily.injector.scope.PerApplication;
import io.hefuyi.zhihudaily.interceptor.CacheInterceptor;
import io.hefuyi.zhihudaily.respository.RepositoryImpl;
import io.hefuyi.zhihudaily.respository.interfaces.Repository;
import io.hefuyi.zhihudaily.util.FileUtils;
import okhttp3.Cache;
import okhttp3.OkHttpClient;
import okhttp3.logging.HttpLoggingInterceptor;
import retrofit2.GsonConverterFactory;
import retrofit2.Retrofit;
import retrofit2.adapter.rxjava.RxJavaCallAdapterFactory;

/**
 * Created by hefuyi on 16/8/16.
 */
@Module
public class NetworkModule {
    private final DailyApplication mDailyApplication;

    public NetworkModule(DailyApplication application) {
        this.mDailyApplication = application;
    }


    @Provides
    @PerApplication
    Repository provideRepository(Retrofit retrofit) {
        return new RepositoryImpl(retrofit);
    }

    @Provides
    @PerApplication
    Retrofit provideRetrofit(){
        String endpointUrl = "http://news.at.zhihu.com/api/4/";
        Gson gson = new GsonBuilder().excludeFieldsWithoutExposeAnnotation().create();
        GsonConverterFactory gsonConverterFactory = GsonConverterFactory.create(gson);

        HttpLoggingInterceptor loggingInterceptor = new HttpLoggingInterceptor();
        loggingInterceptor.setLevel(HttpLoggingInterceptor.Level.BODY);
        OkHttpClient client = new OkHttpClient.Builder()
                .cache(new Cache(FileUtils.getHttpCacheDir(mDailyApplication), Constants.Config.HTTP_CACHE_SIZE))
                .connectTimeout(Constants.Config.HTTP_CONNECT_TIMEOUT, TimeUnit.MILLISECONDS)
                .readTimeout(Constants.Config.HTTP_READ_TIMEOUT, TimeUnit.MILLISECONDS)
                .addInterceptor(new CacheInterceptor())
                .build();
        OkHttpClient newClient = client.newBuilder().addInterceptor(loggingInterceptor).build();

        Retrofit retrofit = new Retrofit.Builder()
                .baseUrl(endpointUrl)
                .client(newClient)
                .addConverterFactory(gsonConverterFactory)
                .addCallAdapterFactory(RxJavaCallAdapterFactory.create())
                .build();
        return retrofit;
    }
}