spring websocket

Spring WEBSOCKET+STOMP+SOCKJS Real-time communication detailed The relationship between the first and third people The HTTP connection is a request-once response (response) and must be called synchronously. The WebSocket protocol provides the ability to achieve full-duplex communication through a socket. Once connected, a TCP connection is established, and su

SPRING4 provides support for WebSocket, but online demos are used in the context of spring MVC. In fact, Spring-websocket is not dependent on SPRINGMVC. The key is to map the WebSocket address to the URL for triggering the front end. Also, the first time

Starter: Personal BlogIt must be noted that this blog post is only used for its own records, and the use of spring's websocket support must look at official documents, authoritative and concise, not recommended to look at professional and wordy domestic blog.Two methods have been tried, of course, regardless of which method you first add Maven dependencies: The first method, corresponding to the 25.2 section of the document:1) D

In the spring consolidation WebSocket Example (above) article, we have implemented the WebSocket, but there is still a core business implementation class is not implemented, here we implement this business core class, because the old couple involved in the system using WebSocket to send messages, So the implementation

[TOC]ObjectiveRecently, there was a problem in the company, and some websocket messages in the cluster were lost.The problem is simple, and the service that sends the message is not the same service as the recipient's connected service.Solution SolutionsUse Middleware (MQ, Redis etc) to communicate between services.Instead of sending the WebSocket message directly, the message is placed in MQ or the Redis l

To write the WebSocket message processing class, the simpler way is to directly inherit AbstractWebSocketHandler , and overwrite the processing method, the following is a simple demo Public class extends Abstractwebsockethandler {? @Override protectedvoidthrows Exception { logger.info (" Received message: "+ message.getpayload ()); TimeUnit.SECONDS.sleep (2); Session.sendmessage (new textmessage ("polo!") )); } }Enab

Spring boot and WebSocket1. Broadcast type1. Use @enablewebsocketmessagebroker to turn on WebSocket support in the configuration class.Stompendpointregistry.addendpoint ("/endpointwisely"). Withsocketjs (); Registering the node for the STOMP protocol, configuring the developed URLStompendpointregistry.enablesimplebroker ("/topic"); Configure the message agent and also the URL prefix of the server-side Send

The pit you stepped on in the morning, it is necessary to record! Problem: Spring consolidation WebSocket Injection service failed Solution: Step one: Add a jar package to the Pom.xml file Step Two: Add configurator = springconfigurator.class on the server side @ServerEndpoint (value = "/api/websocket", configurator = springconfigurator.class) @Compon

This article has three main steps 1, the user establishes the WebSocket connection after the login, the default choice websocket connection, if the browser does not support, then uses the SOCKJS to simulate the connection2. After the connection is established, the service side returns the unread message of the user3, the service side carries on the related operation, pushes to one user or all user new mess

Websocet service-side Implementation Websocketconfig.java @Configuration @enablewebmvc@enablewebsocketpublic class Websocketconfig extends Webmvcconfigureradapter implements Websocketconfigurer { @Override public void Registerwebsockethandlers (websockethandlerregistry Registry) { registry.addhandler (systemwebsockethandler (), "/websocketserver"). addinterceptors (new Websockethandshakeinterceptor ()); Registry.addhandler (systemwebsockethandler (), "/sockjs/websocketserve

This article was reproduced from: Http://www.jianshu.com/p/8500ad65eb50WebSocket Front-end preparationFront-end we need to use two JS files:Sockjs.js and Stomp.js SOCKJS:SOCKJS is a JavaScript library running on a browser, and if the browser does not support WebSocket, the library can emulate support for WebSocket, implementing a low-latency, full-duplex, cross-domain communication channel be

Socketserver's Accept method, the new production Websocketinbound instance corresponds to the client HTTP long connection, processing and client interaction function.Examples of Websocketdeviceservlet service-side code are:Listing 6.websocketdeviceservlet.java code examplepublic class Websocketdeviceservlet extends Org.apache.catalina.websocket.WebSocketServlet {private static final long Serialversionuid = 1L; @Override protected Streaminbound createwebsocketinbound (String subprotocol,httpserv

the text, you should be familiar with the concept of a dependency injection framework such as Guice, Spring, or Pico.To run the examples in this article, you'll also need the latest version of Maven and JDK (see Resources).WebSocketThe websocket that appears in HTML5 is a new inverse Ajax technology that is newer than comet, WebSocket enables bidirectional full-

. webApplicationContextUtils; import com. alibaba. fastjson. JSON; import com. nmfz. app. action. sharedFarmUsers; import com. nmfz. app. manager. sharedFarmUsersManager; import com. nmfz. app. manager. impl. sharedFarmUsersManagerImpl; import net. sf. json. JSONObject;/*** @ ServerEndpoint annotation is A class-level annotation. Its function is to define the current class as a websocket server. The annotation value is used to listen to the terminal a