package com.ruoyi.system.websocket;
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import java.io.IOException;
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import java.util.Collection;
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import java.util.Map;
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import java.util.Set;
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import java.util.concurrent.ConcurrentHashMap;
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import javax.websocket.Session;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* websocket 客户端用户集
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*
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* @author ruoyi
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*/
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public class WebSocketUsers_Bak {
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/**
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* WebSocketUsers 日志控制器
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*/
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private static final Logger LOGGER = LoggerFactory.getLogger(WebSocketUsers_Bak.class);
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/**
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* 用户集
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*/
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private static Map<String, Session> USERS = new ConcurrentHashMap<String, Session>();
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/**
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* 存储用户
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*
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* @param key 唯一键
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* @param session 用户信息
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*/
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public static void put(String key, Session session) {
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USERS.put(key, session);
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}
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/**
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* 移除用户
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*
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* @param session 用户信息
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* @return 移除结果
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*/
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public static boolean remove(Session session) {
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String key = null;
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boolean flag = USERS.containsValue(session);
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if (flag) {
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Set<Map.Entry<String, Session>> entries = USERS.entrySet();
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for (Map.Entry<String, Session> entry : entries) {
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Session value = entry.getValue();
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if (value.equals(session)) {
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key = entry.getKey();
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break;
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}
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}
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} else {
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return true;
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}
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return remove(key);
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}
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/**
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* 移出用户
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*
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* @param key 键
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*/
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public static boolean remove(String key) {
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LOGGER.info("\n 正在移出用户 - {}", key);
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Session remove = USERS.remove(key);
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if (remove != null) {
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boolean containsValue = USERS.containsValue(remove);
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LOGGER.info("\n 移出结果 - {}", containsValue ? "失败" : "成功");
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return containsValue;
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} else {
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return true;
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}
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}
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/**
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* 获取在线用户列表
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*
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* @return 返回用户集合
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*/
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public static Map<String, Session> getUsers() {
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return USERS;
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}
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/**
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* 群发消息文本消息
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*
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* @param message 消息内容
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*/
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public static void sendMessageToUsersByText(String message) {
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Collection<Session> values = USERS.values();
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for (Session value : values) {
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sendMessageToUserByText(value, message);
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}
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}
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/**
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* 发送文本消息
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*
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* @param session 自己的用户名
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* @param message 消息内容
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*/
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public static void sendMessageToUserByText(Session session, String message) {
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if (session != null) {
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try {
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session.getBasicRemote().sendText(message);
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} catch (IOException e) {
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LOGGER.error("\n[发送消息异常]", e);
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}
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} else {
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LOGGER.info("\n[你已离线]");
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}
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}
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}
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