Resend network request on network error using OkHttp3

ErrorInterceptor.java

public class ErrorInterceptor implements Interceptor {
ICacheManager cacheManager;
Response response = null;
int tryCount = 0;
int maxLimit = 3;
int waitThreshold = 5000;
@Inject
public ErrorInterceptor() {

}

@Override
public Response intercept(Chain chain){

   // String language =  cacheManager.readPreference(PreferenceKeys.LANGUAGE_CODE);
  Request request = chain.request();
  response =  sendReqeust(chain,request);
    while (response ==null && tryCount < maxLimit) {
        Log.d("intercept", "Request failed - " + tryCount);
        tryCount++;
        try {
            Thread.sleep(waitThreshold); // force wait the network thread for 5 seconds
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
       response = sendReqeust(chain,request);
    }
    return response;
}

private Response sendReqeust(Chain chain, Request request){
    try {
        response = chain.proceed(request);
        if(!response.isSuccessful())
            return null;
        else
        return response;
    } catch (IOException e) {
      return null;
    }
}
}