feat: websocket config endpoints

server/src/main/java/server/WebSocketConfig.java

@@ -0,0 +1,33 @@
+package server;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.messaging.simp.config.MessageBrokerRegistry;
+import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
+import org.springframework.web.socket.config.annotation.StompEndpointRegistry;
+import org.springframework.web.socket.config.annotation.WebSocketMessageBrokerConfigurer;
+
+@Configuration
+@EnableWebSocketMessageBroker
+public class WebSocketConfig implements WebSocketMessageBrokerConfigurer {
+    @Override
+    public void configureMessageBroker(MessageBrokerRegistry registry) {
+
+        // SUBSCRIBE /subscribe/{mapping}, see UpdateMessagingController definition
+        // adds a broker endpoint subscribers listen to
+        registry.enableSimpleBroker("/subscribe");
+
+        // SEND /send/updates/{mapping}, see UpdateMessagingController definition
+        // the client pushes a new message to this address
+        registry.setApplicationDestinationPrefixes("/send");
+    }
+
+    @Override
+    public void registerStompEndpoints(StompEndpointRegistry registry) {
+        // a client can now push data to /send/updates/{mapping}, see UpdateMessagingController
+        // allow access from any origin: one server, many clients
+        registry.addEndpoint("/updates").setAllowedOrigins("*");
+        // optional, recommended to increase browser & networking support
+        registry.addEndpoint("/updates").setAllowedOrigins("*").withSockJS();
+
+    }
+}