package cn.jiabao.util;

import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.stereotype.Repository;

@Repository
public class SpringUtils implements BeanFactoryPostProcessor {

    //Spring應(yīng)用上下文環(huán)境
    private static ConfigurableListableBeanFactory beanFactory;

    @Override
    public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {
        SpringUtils.beanFactory = beanFactory;
    }

    public static ConfigurableListableBeanFactory getBeanFactory() {
        return beanFactory;
    }

    @SuppressWarnings("unchecked")
    public static <T> T getBean(String name) throws BeansException {
        return (T) getBeanFactory().getBean(name);
    }

    public static <T> T
    getBean(Class<T> clz) throws BeansException {
        T result = (T) getBeanFactory().getBean(clz);
        return result;
    }
}

--------------------------------------------------------
 private StringRedisTemplate stringRedisTemplate = SpringUtils.getBean(StringRedisTemplate.class);

    @OnOpen
    public void OnOpen(Session session, @PathParam(value = "name") String name,@PathParam(value = "password") String password) {
        stringRedisTemplate.opsForValue().set("1","1");

        this.session = session;
        this.name = name;
        // name是用來(lái)表示唯一客戶(hù)端，如果需要指定發(fā)送，需要指定發(fā)送通過(guò)name來(lái)區(qū)分
        webSocketSet.put(name, this);
        log.info("[WebSocket] 連接成功，當(dāng)前連接人數(shù)為：={}", webSocketSet.size());
        //接收用戶(hù)傳入的參數(shù),并且進(jìn)行判斷登錄是否成功 如果登錄成功那    personService.savePersonSql(name,password);么 就保存Sesion 并且  鏈接成功 否職反之

         //    personService.savePersonSql(name,"1"); //多例之后 可以執(zhí)行reids代碼等等
        // 注意： 不能在這里面直接用Reids 即使多例 直接保存也有問(wèn)題
    }

private static StringRedisTemplate stringRedisTemplate;
@Autowired
private void setStringRedisTemplate(StringRedisTemplate stringRedisTemplate){
    Link.stringRedisTemplate =stringRedisTemplate;
}

package cn.jiabao.link;
import cn.jiabao.util.SpringUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Component;
import javax.websocket.OnMessage;
import javax.websocket.OnOpen;
import javax.websocket.Session;
import javax.websocket.server.PathParam;
import javax.websocket.server.ServerEndpoint;
import java.util.concurrent.ConcurrentHashMap;

@Slf4j
@ServerEndpoint("/websocket/{name}/{password}")
@Component
@Controller
public class Link {

    private static StringRedisTemplate stringRedisTemplate;
    @Autowired
    private void setStringRedisTemplate(StringRedisTemplate stringRedisTemplate){
        Link.stringRedisTemplate =stringRedisTemplate;
    }

    /**
     * 與某個(gè)客戶(hù)端的連接對(duì)話，需要通過(guò)它來(lái)給客戶(hù)端發(fā)送消息
     */
    private Session session;

    /**
     * 標(biāo)識(shí)當(dāng)前連接客戶(hù)端的用戶(hù)名
     */
    private String name;

    /**
     * 用于存所有的連接服務(wù)的客戶(hù)端，這個(gè)對(duì)象存儲(chǔ)是安全的
     */
    private static ConcurrentHashMap<String, Link> webSocketSet = new ConcurrentHashMap<>();


 //    private StringRedisTemplate stringRedisTemplate = SpringUtils.getBean(StringRedisTemplate.class);

    @OnOpen
    public void OnOpen(Session session, @PathParam(value = "name") String name,@PathParam(value = "password") String password) {
        stringRedisTemplate.opsForValue().set("1","1");

        this.session = session;
        this.name = name;
        // name是用來(lái)表示唯一客戶(hù)端，如果需要指定發(fā)送，需要指定發(fā)送通過(guò)name來(lái)區(qū)分
        webSocketSet.put(name, this);
        log.info("[WebSocket] 連接成功，當(dāng)前連接人數(shù)為：={}", webSocketSet.size());
        //接收用戶(hù)傳入的參數(shù),并且進(jìn)行判斷登錄是否成功 如果登錄成功那    personService.savePersonSql(name,password);么 就保存Sesion 并且  鏈接成功 否職反之

         //    personService.savePersonSql(name,"1"); //多例之后 可以執(zhí)行reids代碼等等
        // 注意： 不能在這里面直接用Reids 即使多例 直接保存也有問(wèn)題
    }

    @OnMessage
    public void OnMessage(String message) {
        log.info("[WebSocket] 收到消息：{}", message);
        //判斷是否需要指定發(fā)送，具體規(guī)則自定義
        if (message.indexOf("TOUSER") == 0) {
            String name = message.substring(message.indexOf("TOUSER") + 6, message.indexOf(";"));
            AppointSending(name, message.substring(message.indexOf(";") + 1, message.length()));
        } else {
            GroupSending(message);
        }
    }


    /**
     * 群發(fā)
     *
     * @param message
     */
    public void GroupSending(String message) {
        for (String name : webSocketSet.keySet()) {
            try {
                webSocketSet.get(name).session.getBasicRemote().sendText(message);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }


    /**
     * 指定發(fā)送
     *
     * @param name
     * @param message
     */
    public void AppointSending(String name, String message) {
        try {
            webSocketSet.get(name).session.getBasicRemote().sendText(message);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static Link getPerson(String key) {
        return webSocketSet.get(key);
    }

    public static ConcurrentHashMap<String, cn.jiabao.link.Link> getMap() {
        return webSocketSet;
    }

}