org.eclipse.jetty.websocket.server.WebSocketHandler Java Examples

public void runServer() {
  if (server.isStarted()) {
    return;
  }

  System.out.println("server port: " + port);
  WebSocketHandler wsHandler =
      new WebSocketHandler() {
        @Override
        public void configure(WebSocketServletFactory factory) {
          factory.register(MinicapWebSocketHandler.class);
        }
      };
  server.setHandler(wsHandler);

  try {
    server.start();
    server.join();
  } catch (Exception e) {
    logger.warning(e.getMessage());
  }
}
 

public synchronized WebSocketServletFactory getWebSocketFactory(Server server) {
    if (webSocketFactory == null) {
        webSockethandler = new WebSocketHandler() {
            @Override
            public void configure(WebSocketServletFactory factory) {
            }
        };
        try {
            webSockethandler.setServer(server);
            webSockethandler.start();
        } catch (Exception e) {
            e.printStackTrace();
        }
        webSocketFactory = webSockethandler.getWebSocketFactory();
        webSocketFactory.setCreator(new Creator());
    }
    return webSocketFactory;
}
 

@Signature
public void addWebSocket(Environment env, String path, ArrayMemory _handlers) {
    WebSocketParam param = _handlers.toBean(env, WebSocketParam.class);

    ContextHandler contextHandler = new ContextHandler(path);
    contextHandler.setHandler(new WebSocketHandler() {
        @Override
        public void configure(WebSocketServletFactory factory) {
            factory.setCreator(new WebSocketCreator() {
                @Override
                public Object createWebSocket(ServletUpgradeRequest req, ServletUpgradeResponse resp) {
                    return new WebSocket(env, param);
                }
            });
        }
    });

    handlers.addHandler(contextHandler);
}
 

private void initLogServer() {
  if (logServerThread != null && logServerThread.isAlive()) {
    logServerThread.interrupt();
  }

  if (logServer != null && logServer.isStarted()) {
    try {
      logServer.stop();
    } catch (Exception e) {
      logger.warning(e.getMessage());
    }
  }

  logServerThread =
      new Thread(
          () -> {
            logServer = new Server(8888);

            WebSocketHandler wsHandler =
                new WebSocketHandler() {
                  @Override
                  public void configure(WebSocketServletFactory factory) {
                    factory.register(LogWebSocketHandler.class);
                  }
                };
            logServer.setHandler(wsHandler);

            try {
              logServer.start();
              logServer.join();
            } catch (Exception e) {
              logger.warning(e.getMessage());
            }
          });
  logServerThread.start();
}
 

private static Server setupServer() throws Exception {
    // String webDir = "target/classes/webui";
    // String webDir = "src/main/resources/webui";
    String webDir = WebServer.class.getClassLoader().getResource("webui").toExternalForm();
    log.info("Base webdir is {}", webDir);

    int httpPort = ConfigFactory.load().getInt("resource-reporting.visualization.webui-port");
    log.info("Resource reporting web ui port is ", httpPort);

    // Create Jetty server
    Server server = new Server(httpPort);

    ResourceHandler resource_handler = new ResourceHandler();
    resource_handler.setDirectoriesListed(true);
    resource_handler.setWelcomeFiles(new String[] { "filter.html" });
    resource_handler.setResourceBase(webDir);

    WebSocketHandler wsHandler = new WebSocketHandler.Simple(PubSubProxyWebSocket.class);

    ContextHandler context = new ContextHandler();
    context.setContextPath("/ws");
    context.setHandler(wsHandler);

    HandlerList handlers = new HandlerList();
    handlers.setHandlers(new Handler[] { context, resource_handler, new DefaultHandler() });

    server.setHandler(handlers);

    ClusterResources.subscribeToAll(callback);

    return server;
}
 

public void start(boolean block) throws Exception {
	
	this.server = new Server();
	ServerConnector connector = new ServerConnector(server);
	connector.setPort(getPort());
	connector.setReuseAddress(true);
	server.addConnector(connector);   
	
	// We enable sessions on the server so that 
	// we can cache LoaderFactories to a given session.
	// The loader factory therefore needs a non-global 
	// data soft reference cache.
	ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
	context.setContextPath("/");
	server.setHandler(context);
     
       // Make individual servlets
       // Slicing (large data in binary http)
	ServletHolder holderSlice = new ServletHolder("slice", SliceServlet.class);
	context.addServlet(holderSlice, "/slice/*");
	
	// Doing events, like data changing shape.
	// FIXME Should not be needed
	WebSocketHandler wsHandler = new WebSocketHandler() {
		@Override
		public void configure(WebSocketServletFactory factory) {
			factory.register(FileMonitorSocket.class);
		}
	};
	context.setHandler(wsHandler);
	// FIXME End should not be needed.		
	
	ServletHolder holderInfo = new ServletHolder("info", InfoServlet.class);
	context.addServlet(holderInfo, "/info/*");
	
	ServletHolder holderTree = new ServletHolder("tree", TreeServlet.class);
	context.addServlet(holderTree, "/tree/*");

    
	// Events json objects to notify of problems.
	ServletHolder holderEvent = new ServletHolder("event", EventServlet.class);
	context.addServlet(holderEvent, "/event/*");
	
    server.start();
    if (block) server.join();

}