001/* 002 * Copyright 2012-2017 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 * http://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.boot.autoconfigure.websocket.servlet; 018 019import org.apache.tomcat.websocket.server.WsContextListener; 020 021import org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory; 022import org.springframework.boot.web.server.WebServerFactoryCustomizer; 023import org.springframework.core.Ordered; 024 025/** 026 * WebSocket customizer for {@link TomcatServletWebServerFactory}. 027 * 028 * @author Dave Syer 029 * @author Phillip Webb 030 * @author Andy Wilkinson 031 * @since 2.0.0 032 */ 033public class TomcatWebSocketServletWebServerCustomizer 034 implements WebServerFactoryCustomizer<TomcatServletWebServerFactory>, Ordered { 035 036 @Override 037 public void customize(TomcatServletWebServerFactory factory) { 038 factory.addContextCustomizers((context) -> context 039 .addApplicationListener(WsContextListener.class.getName())); 040 } 041 042 @Override 043 public int getOrder() { 044 return 0; 045 } 046 047}