ppdouble/springboot-websocket-message

websocket, sockjs, stomp client, springboot 2.6.0

server configuration

server config

    @Override
    public void registerStompEndpoints(StompEndpointRegistry stompEndpointRegistry) {
        stompEndpointRegistry.addEndpoint("/ppdouble-websocket").withSockJS();
    }

client connection

var socket = new SockJS('http://127.0.0.1:8080/ppdouble-websocket');

or

var socket = new SockJS('/ppdouble-websocket');

subscribe

server config

registry a broker

registry.enableSimpleBroker("/ppdouble-topic");

controller: respond the subscription of client

@SendTo("/ppdouble-topic/user")

client subscribe

stompClient.subscribe('/ppdouble-topic/user"', function (greetingmessage){}

send

server config

registry.setApplicationDestinationPrefixes("/app");

controller: receive the request from client

@MessageMapping("/user")

client send message

stompClient.send("/app/user", {}, JSON.stringify({'name': $("#name").val()}));

packaging

default jar

packaging

<packaging>jar</packaging>

run and change server port by adding flag

java -jar target/springboot-websocket-message-0.0.1-SNAPSHOT.jar --server.port=8090 --trace

Ref

Using Spring Boot for WebSocket Implementation with STOMP

Spring Boot + Websocket Example

Using WebSocket to build an interactive web application

WebSocket Support