[JavaForFun] /

package de.spring.stomp.controllers;

import java.time.LocalDateTime;

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

@Controller
public class MessageGreetingController {

        // Sending data to /app/greeting from STOMP client (client must first connect to endpoint, in my case portfolio)
        // connecting to this URL -> http://172.17.0.3/spring-stomp-server/portfolio
        // sending data to /app/greeting
        
        // The data sent to /app/greeting will be retrieved by this method.
        @MessageMapping("/greeting")
        @SendTo("/topic/greeting")
        public String handle(String greeting) {
                // STOMP clients subscribed to /topic/greeting will receive the returned data from this method.
                // Destination is selected based on a convention but can be overridden via @SendTo
                // I will be using @SendTo. In my case, it is not required (because it is the same as the destination selected
                // based on the convention) but I will be using it just for fun.
                return "[" + LocalDateTime.now() + "]: " + greeting;
        }
}