/*
* Copyright 2002-2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.web.socket.config.annotation;
import org.springframework.context.annotation.Bean;
import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
import org.springframework.web.servlet.HandlerMapping;
/**
* Configuration support for WebSocket request handling.
*
* @author Rossen Stoyanchev
* @since 4.0
*/
public class WebSocketConfigurationSupport {
@Bean
public HandlerMapping webSocketHandlerMapping() {
ServletWebSocketHandlerRegistry registry = new ServletWebSocketHandlerRegistry(defaultSockJsTaskScheduler());
registerWebSocketHandlers(registry);
return registry.getHandlerMapping();
}
protected void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
}
/**
* The default TaskScheduler to use if none is configured via
* {@link SockJsServiceRegistration#setTaskScheduler}, i.e.
* <pre class="code">
* @Configuration
* @EnableWebSocket
* public class WebSocketConfig implements WebSocketConfigurer {
*
* public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
* registry.addHandler(myWsHandler(), "/echo").withSockJS().setTaskScheduler(myScheduler());
* }
*
* // ...
* }
* </pre>
*/
@Bean
public ThreadPoolTaskScheduler defaultSockJsTaskScheduler() {
ThreadPoolTaskScheduler scheduler = new ThreadPoolTaskScheduler();
scheduler.setThreadNamePrefix("SockJS-");
scheduler.setPoolSize(Runtime.getRuntime().availableProcessors());
scheduler.setRemoveOnCancelPolicy(true);
return scheduler;
}
}