Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.etest.connection; import com.vaadin.ui.Label; import com.vaadin.ui.Notification; import com.vaadin.ui.Panel; import com.vaadin.ui.UI; import com.vaadin.ui.Window; /** * * @author jetdario */ public class ErrorDBNotification { public ErrorDBNotification() { } public static void errorNotificationOnDBAccess(String error) { Notification.show(error, Notification.Type.ERROR_MESSAGE); } public static void showLoggedErrorOnWindow(String str) { Window sub = new Window("Logged ERROR"); sub.setWidth("500px"); sub.setHeight("300px"); if (sub.getParent() == null) { UI.getCurrent().addWindow(sub); } sub.setModal(true); Panel panel = new Panel(); panel.setSizeFull(); panel.setContent(new Label(str)); sub.setContent(panel); } }