"The use of Spring+websocket"

Source: Internet
Author: User

One, spring configuration file Java code

    1. <?xml version= "1.0" encoding= "UTF-8"?>
  • <beans xmlns= "Http://www.springframework.org/schema/beans"
  • Xmlns:xsi= "Http://www.w3.org/2001/XMLSchema-instance" xmlns:tx= "Http://www.springframework.org/schema/tx"
  • xmlns:context= "Http://www.springframework.org/schema/context"
  • Xmlns:mvc= "Http://www.springframework.org/schema/mvc"
  • xmlns:p= "http://www.springframework.org/schema/p"
  • xmlns:websocket= "Http://www.springframework.org/schema/websocket"
  • Xsi:schemalocation= "Http://www.springframework.org/schema/beans
  • Http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
  • Http://www.springframework.org/schema/tx
  • Http://www.springframework.org/schema/tx/spring-tx-4.1.xsd
  • Http://www.springframework.org/schema/context
  • Http://www.springframework.org/schema/context/spring-context-4.1.xsd
  • Http://www.springframework.org/schema/mvc
  • Http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd
  • Http://www.springframework.org/schema/websocket
    • Http://www.springframework.org/schema/websocket/spring-websocket-4.1.xsd ">
    • <!--@Autowired and other annotations drive
    • <context:annotation-config/>
    • <mvc:annotation-driven/>
    • <!--Be sure to scan the specified item--
    • <context:component-scan base-package= "Com.soccermaster.websocket" ></context:component-scan>
    • <context:component-scan base-package= "Com.soccermaster.service" ></context:component-scan>
    • <context:component-scan base-package= "Com.soccermaster.dao" ></context:component-scan>
    • <bean class= "Org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"/>
    • <bean class= "Org.springframework.web.servlet.view.InternalResourceViewResolver" p:viewclass= " Org.springframework.web.servlet.view.JstlView "
    • p:prefix= "/web-inf/pages/" p:suffix= ". jsp" >
    • </bean>
    • </beans>

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II. Web. XML configuration

Note: The corresponding filter and servlet must be added

Java code

    1. <async-supported>true</async-supported>

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    1. <?xml version= "1.0" encoding= "UTF-8"?>
  • <web-app xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance" xmlns= "Http://java.sun.com/xml/ns/javaee" xsi: schemalocation= "Http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version= " 3.0 ">
  • <display-name>spring websocket Info Push </display-name>
  • <welcome-file-list>
  • <welcome-file>testSocket.jsp</welcome-file>
  • </welcome-file-list>
  • <listener>
  • <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  • </listener>
  • <listener>
  • <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
  • </listener>
  • <servlet>
  • <servlet-name>SpringMVC</servlet-name>
  • <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  • <init-param>
  • <param-name>contextConfigLocation</param-name>
  • <param-value>classpath:spring-mvc.xml</param-value>
  • </init-param>
  • <load-on-startup>1</load-on-startup>
  • <async-supported>true</async-supported>
  • </servlet>
  • <servlet-mapping>
  • <servlet-name>SpringMVC</servlet-name>
  • <url-pattern>/</url-pattern>
  • </servlet-mapping>
  • <context-param>
  • <param-name>contextConfigLocation</param-name>
  • <param-value>classpath:spring-mybatis.xml</param-value>
  • </context-param>
  • <filter>
  • <filter-name>encodingFilter</filter-name>
  • <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
  • <async-supported>true</async-supported>
  • <init-param>
  • <param-name>encoding</param-name>
  • <param-value>UTF-8</param-value>
  • </init-param>
  • </filter>
  • <filter-mapping>
  • <filter-name>encodingFilter</filter-name>
  • <url-pattern>/*</url-pattern>
  • </filter-mapping>
  • <session-config>
  • <session-timeout>30</session-timeout>
  • </session-config>
  • </web-app>

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Third, the Code

A, Websocketconfig

Java code

    1. Package com.soccermaster.websocket;
  • Import org.springframework.context.annotation.Configuration;
  • Import ORG.SPRINGFRAMEWORK.WEB.SERVLET.CONFIG.ANNOTATION.ENABLEWEBMVC;
  • Import Org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
  • Import Org.springframework.web.socket.WebSocketHandler;
  • Import Org.springframework.web.socket.config.annotation.EnableWebSocket;
  • Import Org.springframework.web.socket.config.annotation.WebSocketConfigurer;
  • Import Org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;
  • Import Org.springframework.context.annotation.Bean;
  • @Configuration
  • @EnableWebMvc
  • @EnableWebSocket
  • public class Websocketconfig extends Webmvcconfigureradapter implements Websocketconfigurer {
  • Public Websocketconfig () {
  • }
  • @Override
  • public void Registerwebsockethandlers (Websockethandlerregistry registry) {
  • Registry.addhandler (Systemwebsockethandler (), "/websck"). Addinterceptors (New Websockethandshakeinterceptor ());
  • System.out.println ("registed!");
  • Registry.addhandler (Systemwebsockethandler (), "/sockjs/websck/info"). Addinterceptors (New Websockethandshakeinterceptor ()). WITHSOCKJS ();
  • }
  • @Bean
  • Public Websockethandler Systemwebsockethandler () {
  • return new Infosocketendpoint ();
  • return new Systemwebsockethandler ();
  • }
  • }

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B, Websockethandshakeinterceptor

Java code

    1. Package com.soccermaster.websocket;
  • Import Java.util.Map;
  • Import Org.springframework.http.server.ServerHttpRequest;
  • Import Org.springframework.http.server.ServerHttpResponse;
  • Import org.springframework.stereotype.Component;
  • Import Org.springframework.web.socket.WebSocketHandler;
  • Import Org.springframework.web.socket.server.support.HttpSessionHandshakeInterceptor;
  • @Component
  • public class Websockethandshakeinterceptor extends Httpsessionhandshakeinterceptor {
  • @Override
  • public boolean beforehandshake (ServerHTTPRequest request,
  • Serverhttpresponse response, Websockethandler Wshandler,
  • map<string, object> attributes) throws Exception {
  • System.out.println ("before handshake");
  • return Super.beforehandshake (Request, response, Wshandler, attributes);
  • }
  • @Override
  • public void Afterhandshake (ServerHTTPRequest request,
  • Serverhttpresponse response, Websockethandler Wshandler,
  • Exception ex) {
  • SYSTEM.OUT.PRINTLN ("after handshake");
  • Super.afterhandshake (Request, Response, Wshandler, ex);
  • }
  • }

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C, Systemwebsockethandler

Java code

    1. Package com.soccermaster.websocket;
  • Import java.io.IOException;
  • Import java.util.ArrayList;
  • Import Org.slf4j.Logger;
  • Import Org.slf4j.LoggerFactory;
  • Import org.springframework.beans.factory.annotation.Autowired;
  • Import org.springframework.stereotype.Component;
  • Import Org.springframework.web.socket.CloseStatus;
  • Import Org.springframework.web.socket.TextMessage;
  • Import Org.springframework.web.socket.WebSocketHandler;
  • Import Org.springframework.web.socket.WebSocketMessage;
  • Import org.springframework.web.socket.WebSocketSession;
  • <!--The following interface is your own business interface customized to the situation
  • Import Com.soccermaster.service.IMatchService;
  • Import Com.soccermaster.util.json.JsonConvert;
  • /**
    • *
  • */
  • @Component
  • public class Systemwebsockethandler implements Websockethandler {
  • @Autowired
  • Private Imatchservice Matchservice;
  • private static final Logger Logger;
  • Private static final arraylist<websocketsession> users;
  • static {
  • Users = new arraylist<websocketsession> ();
  • Logger = Loggerfactory.getlogger (Systemwebsockethandler.class);
  • }
  • @Override
  • public void Afterconnectionestablished (websocketsession session)
  • Throws Exception {
  • Logger.debug ("Connect to the WebSocket success ...");
  • SYSTEM.OUT.PRINTLN ("Connect to the WebSocket success ...");
  • Session.sendmessage (New TextMessage ("server:connected ok!"));
  • Users.add (session);
  • }
  • @Override
  • public void Handlemessage (websocketsession wss, websocketmessage<?> WSM)
  • Throws Exception {
  • Logger.debug ("WebSocket handle Message ...");
  • TextMessage returnmessage = new TextMessage (result);
  • Wss.sendmessage ("service-side return information");
  • Sendmessagetousers (WSS, WSM);
  • }
  • @Override
  • public void Handletransporterror (websocketsession wss, Throwable THRWBL)
  • Throws Exception {
  • if (Wss.isopen ()) {
  • Wss.close ();
  • }
  • Users.remove (WSS);
  • Logger.debug ("WebSocket connection closed happen error ...");
  • SYSTEM.OUT.PRINTLN ("WebSocket connection closed happen error ...");
  • }
  • @Override
  • public void afterconnectionclosed (websocketsession WSS, Closestatus CS)
  • Throws Exception {
  • SYSTEM.OUT.PRINTLN ("WebSocket connection closed ...");
  • Users.remove (WSS);
  • Logger.debug ("WebSocket connection closed ...");
  • }
  • @Override
  • public Boolean supportspartialmessages () {
  • return false;
  • }
  • }

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Iv. Related Project Jar package

Http://pan.baidu.com/s/1sjI9GOt

As above basic complete spring websocket

Environmental requirements TOMCAT7 and above + JDK 1.7

Use of Spring+websocket

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