Java tutorial
/* * Copyright 2014 The original authors * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.vaadin.spring.touchkit.servlet; import com.vaadin.addon.touchkit.server.TouchKitServlet; import com.vaadin.server.ServiceException; import com.vaadin.server.SessionInitEvent; import com.vaadin.server.SessionInitListener; import org.springframework.web.context.WebApplicationContext; import org.springframework.web.context.support.WebApplicationContextUtils; import javax.servlet.ServletException; /** * Subclass of {@link com.vaadin.addon.touchkit.server.TouchKitServlet} that adds a {@link org.vaadin.spring.touchkit.servlet.SpringAwareTouchKitUIProvider} to * every new Vaadin session. * <p/> * If you need a custom TouchKit servlet, you can either extend this servlet directly, or extend another subclass of {@link com.vaadin.addon.touchkit.server.TouchKitServlet} * and just add the UI provider. * * @author Petter Holmstrm (petter@vaadin.com) */ public class SpringAwareTouchKitServlet extends TouchKitServlet { @Override protected void servletInitialized() throws ServletException { super.servletInitialized(); getService().addSessionInitListener(new SessionInitListener() { @Override public void sessionInit(SessionInitEvent sessionInitEvent) throws ServiceException { WebApplicationContext webApplicationContext = WebApplicationContextUtils .getWebApplicationContext(getServletContext()); SpringAwareTouchKitUIProvider uiProvider = new SpringAwareTouchKitUIProvider(webApplicationContext); sessionInitEvent.getSession().addUIProvider(uiProvider); } }); } }