"The use of Spring+websocket"

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