Spring server send realtime Objects to client

Question

I have a question.

I got a Spring server and a Client (Angularjs). In my client i got a Rickshaw realtime chart.

When my server get some objects from a 3rd party software, i need it to send it to the client. This happens each 28th seconds.

I tried with websocket, and with SSE and i cannot get it to work. I need someone to point me at a direction, since im lost atm.

Example.

Our server got a class called Animal. Then a 3rd party software is sending a new object of Animal (E.g dog-cat) each 28th second. When the server retrieves this object it, insert it in the DB and send it to the client. The last part is what i can't make work.

Websocket tryout:

@Configuration
@EnableWebSocketMessageBroker
public class WebSocketConfig extends AbstractWebSocketMessageBrokerConfigurer {

    @Override
    public void configureMessageBroker(MessageBrokerRegistry config){
        config.enableSimpleBroker("/MashData/data");
        config.setApplicationDestinationPrefixes("/app");
    }

    @Override
    public void registerStompEndpoints(StompEndpointRegistry registry){
        registry.addEndpoint("/mashData").setAllowedOrigins("*").withSockJS();
    }
}

And in my controller

@MessageMapping("/mashData")
@SendTo("/MashData/data")
@Async
public MashData insertData(@PathVariable Long id, @RequestBody MashData INCmashData){
         *Data created here*
         return insertData
        }