Java tutorial
/** * VibrateServlet.java (Vibrate) * * Copyright 2013 Vaadin Ltd, Sami Viitanen <alump@vaadin.org> * * 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.alump.vibrate.demo; import com.vaadin.annotations.VaadinServletConfiguration; import com.vaadin.server.SessionInitEvent; import com.vaadin.server.SessionInitListener; import com.vaadin.server.VaadinServlet; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; @WebServlet(value = "/*", asyncSupported = true) @VaadinServletConfiguration(productionMode = false, ui = VibrateDemoUI.class, widgetset = "org.vaadin.alump.vibrate.demo.gwt.VibrateDemoWidgetSet") public class VibrateServlet extends VaadinServlet { private final VibrateSettings settings = new VibrateSettings(); @Override protected void servletInitialized() throws ServletException { super.servletInitialized(); getService().addSessionInitListener(new SessionInitListener() { @Override public void sessionInit(SessionInitEvent event) { event.getSession().addBootstrapListener(settings); } }); } }