How to use

addListener

method

in

org.glassfish.jersey.media.sse.SseBroadcaster

 public class TestServlet extends HttpServlet {

SseBroadcaster broadcaster = new SseBroadcaster();

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
  Scanner scanner = new Scanner(req.getInputStream());
  StringBuilder sb = new StringBuilder();
  while(scanner.hasNextLine()) {
    sb.append(scanner.nextLine());
  }
  System.out.println("sb = " + sb);
  broadcaster.broadcast("message",sb.toString());
}

//http://cjihrig.com/blog/the-server-side-of-server-sent-events/
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
  broadcaster.addListener(req);
}
}