001/* 002 * Copyright 2002-2015 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.web.socket.server.support; 018 019import javax.servlet.ServletContext; 020 021import org.springframework.web.context.ServletContextAware; 022import org.springframework.web.socket.server.RequestUpgradeStrategy; 023 024/** 025 * A default {@link org.springframework.web.socket.server.HandshakeHandler} implementation, 026 * extending {@link AbstractHandshakeHandler} with Servlet-specific initialization support. 027 * See {@link AbstractHandshakeHandler}'s javadoc for details on supported servers etc. 028 * 029 * @author Rossen Stoyanchev 030 * @author Juergen Hoeller 031 * @since 4.0 032 */ 033public class DefaultHandshakeHandler extends AbstractHandshakeHandler implements ServletContextAware { 034 035 public DefaultHandshakeHandler() { 036 } 037 038 public DefaultHandshakeHandler(RequestUpgradeStrategy requestUpgradeStrategy) { 039 super(requestUpgradeStrategy); 040 } 041 042 043 @Override 044 public void setServletContext(ServletContext servletContext) { 045 RequestUpgradeStrategy strategy = getRequestUpgradeStrategy(); 046 if (strategy instanceof ServletContextAware) { 047 ((ServletContextAware) strategy).setServletContext(servletContext); 048 } 049 } 050 051}