gs-messaging-stomp-websocket/complete/src/main/java/com/example/messagingstompwebsocket/GreetingController.java

package com.example.messagingstompwebsocket;

import org.springframework.messaging.handler.annotation.MessageMapping;
import org.springframework.messaging.handler.annotation.SendTo;
import org.springframework.stereotype.Controller;
import org.springframework.web.util.HtmlUtils;

@Controller
public class GreetingController {


	@MessageMapping("/hello")
	@SendTo("/topic/greetings")
	public Greeting greeting(HelloMessage message) throws Exception {
		Thread.sleep(1000); // simulated delay
		return new Greeting("Hello, " + HtmlUtils.htmlEscape(message.getName()) + "!");
	}

}