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 io.undertow.servlet.api.DeploymentInfo;
020import io.undertow.websockets.jsr.WebSocketDeploymentInfo;
021
022import org.springframework.boot.web.embedded.undertow.UndertowDeploymentInfoCustomizer;
023import org.springframework.boot.web.embedded.undertow.UndertowServletWebServerFactory;
024import org.springframework.boot.web.server.WebServerFactoryCustomizer;
025import org.springframework.core.Ordered;
026
027/**
028 * WebSocket customizer for {@link UndertowServletWebServerFactory}.
029 *
030 * @author Phillip Webb
031 * @since 2.0.0
032 */
033public class UndertowWebSocketServletWebServerCustomizer
034                implements WebServerFactoryCustomizer<UndertowServletWebServerFactory>, Ordered {
035
036        @Override
037        public void customize(UndertowServletWebServerFactory factory) {
038                WebsocketDeploymentInfoCustomizer customizer = new WebsocketDeploymentInfoCustomizer();
039                factory.addDeploymentInfoCustomizers(customizer);
040        }
041
042        @Override
043        public int getOrder() {
044                return 0;
045        }
046
047        private static class WebsocketDeploymentInfoCustomizer
048                        implements UndertowDeploymentInfoCustomizer {
049
050                @Override
051                public void customize(DeploymentInfo deploymentInfo) {
052                        WebSocketDeploymentInfo info = new WebSocketDeploymentInfo();
053                        deploymentInfo.addServletContextAttribute(
054                                        WebSocketDeploymentInfo.ATTRIBUTE_NAME, info);
055                }
056
057        }
058
059}