Java tutorial
/* * Copyright 2000-2018 Vaadin Ltd. * * 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 com.vaadin.server.communication; import com.vaadin.server.VaadinRequest; public class ServletUIInitHandler extends UIInitHandler { @Override protected boolean isInitRequest(VaadinRequest request) { return isUIInitRequest(request); } public static boolean isUIInitRequest(VaadinRequest request) { return "POST".equals(request.getMethod()) && request.getParameter(UIInitHandler.BROWSER_DETAILS_PARAMETER) != null; } }