001/*
002 * #%L
003 * HAPI FHIR Subscription Server
004 * %%
005 * Copyright (C) 2014 - 2024 Smile CDR, Inc.
006 * %%
007 * Licensed under the Apache License, Version 2.0 (the "License");
008 * you may not use this file except in compliance with the License.
009 * You may obtain a copy of the License at
010 *
011 *      http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 * #L%
019 */
020package ca.uhn.fhir.jpa.subscription.match.config;
021
022import ca.uhn.fhir.jpa.model.config.SubscriptionSettings;
023import ca.uhn.fhir.jpa.subscription.match.deliver.websocket.SubscriptionWebsocketHandler;
024import ca.uhn.fhir.jpa.subscription.match.deliver.websocket.WebsocketConnectionValidator;
025import org.springframework.beans.factory.annotation.Autowired;
026import org.springframework.context.annotation.Bean;
027import org.springframework.context.annotation.Configuration;
028import org.springframework.stereotype.Controller;
029import org.springframework.web.socket.WebSocketHandler;
030import org.springframework.web.socket.config.annotation.EnableWebSocket;
031import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
032import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;
033import org.springframework.web.socket.handler.PerConnectionWebSocketHandler;
034
035@Configuration
036@EnableWebSocket()
037@Controller
038public class WebsocketDispatcherConfig implements WebSocketConfigurer {
039
040        @Autowired
041        SubscriptionSettings mySubscriptionSettings;
042
043        @Bean
044        public WebsocketConnectionValidator websocketConnectionValidator() {
045                return new WebsocketConnectionValidator();
046        }
047
048        @Override
049        public void registerWebSocketHandlers(WebSocketHandlerRegistry theRegistry) {
050                theRegistry
051                                .addHandler(subscriptionWebSocketHandler(), mySubscriptionSettings.getWebsocketContextPath())
052                                .setAllowedOrigins("*");
053        }
054
055        @Bean
056        public WebSocketHandler subscriptionWebSocketHandler() {
057                PerConnectionWebSocketHandler retVal = new PerConnectionWebSocketHandler(SubscriptionWebsocketHandler.class);
058                return retVal;
059        }
060}