"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


"The use of Spring+websocket"

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