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 de.gedoplan.webclients.vaadin.base; import com.vaadin.navigator.View; import com.vaadin.navigator.ViewChangeListener; import com.vaadin.server.VaadinSession; import com.vaadin.ui.VerticalLayout; /** * * @author hjungnitsch */ public abstract class BaseView extends VerticalLayout implements View { @Override public void enter(ViewChangeListener.ViewChangeEvent event) { try { myenter(event); } catch (Exception e) { VaadinSession.getCurrent().getErrorHandler().error(new com.vaadin.server.ErrorEvent(e)); } } public abstract void myenter(ViewChangeListener.ViewChangeEvent event); }