Auto refresh token with Okhttp's interceptor

RefreshTokenInterceptor.java

public class RefreshTokenInterceptor implements Interceptor {

  @Override public Response intercept(Chain chain) throws IOException {
    Request originRequest = chain.request();
    Response response = chain.proceed(originRequest);
    if (isTokenExpired(response)) {
      Request newRequest = buildRefreshTokenRequest(originRequest);
      Response refreshResponse = chain.proceed(newRequest);
      if (refreshResponse.isSuccessful()) {
        return chain.proceed(originRequest); // must with the new token
      } else {
        // TODO
      }
    }
    return response;
  }

  private boolean isTokenExpired(Response response) {
    // TODO
    return false;
  }

  private Request buildRefreshTokenRequest(Request request) {
    // TODO
    return request.newBuilder().build();
  }
}