"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

"The use of Spring+websocket"