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}