RetrofitBuilder

package com.example.recyclerviewtest.networks;

import java.io.IOException;

import okhttp3.Interceptor;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import retrofit2.Retrofit;
import retrofit2.converter.moshi.MoshiConverterFactory;

public class RetrofitBuilder {

    private static final String BASE_URL = "http://tip-n-trip.trabaho.ru/api/";

    private static OkHttpClient client = buildClient();
    private static Retrofit retrofit = retrofitBuilder(client);

    private static OkHttpClient buildClient() {
        OkHttpClient.Builder builder = new OkHttpClient.Builder()
                .addInterceptor(new Interceptor() {
                    @Override
                    public Response intercept(Chain chain) throws IOException {
                        Request request = chain.request();

                        Request.Builder builder = request.newBuilder()
                                .addHeader("Content-Type", "application/x-www-form-urlencoded")
                                .addHeader("Accept", "application/json")
                                .addHeader("Connection", "close");


                        request = builder.build();

                        return chain.proceed(request);
                    }
                });
        return builder.build();
    }

    private static Retrofit retrofitBuilder(OkHttpClient client) {
        return new Retrofit.Builder()
                .baseUrl(BASE_URL)
                .client(client)
                .addConverterFactory(MoshiConverterFactory.create())
                .build();
    }

    public static <T> T createService(Class<T> service) {
        return retrofit.create(service);
    }

    public static Retrofit getRetrofit() {
        return retrofit;
    }
}