package processing.app.helpers; public abstract class UserNotifier { public void showError(String title, String message, int exit_code) { showError(title, message, null, exit_code); } public void showError(String title, String message, Throwable e) { showError(title, message, e, 1); } public abstract void showError(String title, String message, Throwable e, int exit_code); public abstract void showMessage(String title, String message); public abstract void showWarning(String title, String message, Exception e); }