BranchRemoteInterface using OkHttp3

BranchNetworkClient.java

import org.json.JSONObject;

import java.io.IOException;

import io.branch.referral.network.BranchRemoteInterface;
import okhttp3.MediaType;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;
import okhttp3.ResponseBody;
import timber.log.Timber;

import static io.branch.referral.BranchError.ERR_BRANCH_UNABLE_TO_REACH_SERVERS;

public class BranchNetworkClient extends BranchRemoteInterface
{
	@Override
	public BranchResponse doRestfulGet(String url) throws BranchRemoteException{
		Timber.d("doRestfulGet(url:%s)", url);
		try{
			OkHttpClient client = new OkHttpClient();
			Request request = new Request.Builder().url(url).build();
			Response response = client.newCall(request).execute();
			return new BranchResponse(body(response), response.code());
		}
		catch(Exception e){
			Timber.e(e, "Error in doRestfulGet("+url+")");
			throw new BranchRemoteException(ERR_BRANCH_UNABLE_TO_REACH_SERVERS);
		}
	}

	@Override
	public BranchResponse doRestfulPost(String url, JSONObject payload) throws BranchRemoteException{
		Timber.d("doRestfulPost(url:%s, payload:%s)", url, payload);
		try{
			MediaType JSON = MediaType.parse("application/json; charset=utf-8");
			OkHttpClient client = new OkHttpClient();
			RequestBody body = RequestBody.create(JSON, payload.toString());
			Request request = new Request.Builder().url(url).post(body).build();
			Response response = client.newCall(request).execute();
			return new BranchResponse(body(response), response.code());
		}
		catch(Exception e){
			Timber.e(e, "Error in doRestfulGet("+url+")");
			throw new BranchRemoteException(ERR_BRANCH_UNABLE_TO_REACH_SERVERS);
		}
	}

	private String body(Response response) throws IOException{
		String result = "No data";

		if(response == null) return result;
		ResponseBody body;
		if((body = response.body()) == null)
			return result;
		else
			return body.string();

	}
}