/**
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* Copyright © 2015-2020 <a href="http://www.jeeplus.org/">JeePlus</a> All rights reserved.
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*/
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package com.jeeplus.common.websocket.onchat;
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import java.io.IOException;
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import java.net.InetSocketAddress;
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import java.net.UnknownHostException;
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import java.nio.ByteBuffer;
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import java.nio.CharBuffer;
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import java.nio.charset.Charset;
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import java.nio.charset.CharsetDecoder;
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import java.text.SimpleDateFormat;
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import java.util.Collection;
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import java.util.Date;
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import org.java_websocket.WebSocket;
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import org.java_websocket.WebSocketImpl;
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import org.java_websocket.framing.Framedata;
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import org.java_websocket.handshake.ClientHandshake;
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import org.java_websocket.server.WebSocketServer;
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import org.springframework.beans.factory.annotation.Autowired;
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import com.jeeplus.common.json.AjaxJson;
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import com.jeeplus.common.utils.SpringContextHolder;
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import com.jeeplus.common.websocket.utils.Constant;
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import com.jeeplus.modules.iim.entity.ChatHistory;
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import com.jeeplus.modules.iim.service.ChatHistoryService;
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import java.util.List;
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public class ChatServer extends WebSocketServer{
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public ChatServer(int port) throws UnknownHostException {
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super(new InetSocketAddress(port));
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}
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public ChatServer(InetSocketAddress address) {
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super(address);
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}
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/**
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* 触发连接事件
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*/
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@Override
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public void onOpen( WebSocket conn, ClientHandshake handshake ) {
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// Collection<String> onlineUsers = MsgServerPool.getOnlineUser();
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// AjaxJson j = new AjaxJson();
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// j.put("data", onlineUsers);
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// MsgServerPool.sendMessageToUser(conn, "_online_all_status_"+j.getJsonStr());//首次登陆系统时，获取用户的在线状态
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}
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/**
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* 触发关闭事件
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*/
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@Override
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public void onClose( WebSocket conn, int code, String reason, boolean remote ) {
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userLeave(conn);
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Collection<String> onlineUsers = ChatServerPool.getOnlineUser();
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AjaxJson j = new AjaxJson();
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j.put("data", onlineUsers);
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ChatServerPool.sendMessage("_online_all_status_"+j.getJsonStr());//通知所有用户更新在线信息
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}
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/**
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* 客户端发送消息到服务器时触发事件
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*/
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@Override
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public void onMessage(WebSocket conn, String message){
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message = message.toString();
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ChatHistoryService chatHistoryService = SpringContextHolder.getBean("chatHistoryService");
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// TODO Auto-generated catch block
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if(null != message && message.startsWith(Constant._online_user_)){//用户上线
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String userId = message.replaceFirst(Constant._online_user_, "");
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this.userjoin(userId,conn);
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//通知所有用户更新在线信息
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Collection<String> onlineUsers = ChatServerPool.getOnlineUser();
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AjaxJson j = new AjaxJson();
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j.put("data", onlineUsers);
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ChatServerPool.sendMessage("_online_all_status_"+j.getJsonStr());//通知所有用户更新在线信息
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//读取离线信息
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ChatHistory chat = new ChatHistory();
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chat.setUserid2(userId);
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chat.setStatus("0");
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List<ChatHistory> list =chatHistoryService.findList(chat);
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for(ChatHistory c : list){
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ChatServerPool.sendMessageToUser(conn, c.getUserid1()+Constant._msg_+c.getUserid2()+Constant._msg_+c.getMsg()+Constant._msg_+new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(c.getCreateDate()));//向所某用户发送消息
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c.setStatus("1");//标记为已读
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chatHistoryService.save(c);
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}
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}if(null != message && message.startsWith(Constant._leave_user_)){//用户离线
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this.userLeave(conn);
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Collection<String> onlineUsers = ChatServerPool.getOnlineUser();
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AjaxJson j = new AjaxJson();
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j.put("data", onlineUsers);
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ChatServerPool.sendMessage("_online_all_status_"+j.getJsonStr());//通知所有用户更新在线信息
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}if(null != message && message.contains(Constant._msg_)){//
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String []arr = message.split(Constant._msg_);
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String fromUser = arr[0];
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String toUser = arr[1];
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String msg = arr[2];
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//保存聊天记录
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ChatHistory chat = new ChatHistory();
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chat.setUserid1(fromUser);
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chat.setUserid2(toUser);
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chat.setMsg(msg);
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chat.setCreateDate(new Date());
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WebSocket toUserConn = ChatServerPool.getWebSocketByUser(toUser);
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if(toUserConn != null){
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ChatServerPool.sendMessageToUser(ChatServerPool.getWebSocketByUser(toUser),message);//向所某用户发送消息
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chat.setStatus("1");//设置为已读
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}else{
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ChatServerPool.sendMessageToUser(conn, "_sys_对方现在离线，他将在上线后收到你的消息!");//同时向本人发送消息
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chat.setStatus("0");//设置为未读
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}
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chatHistoryService.save(chat);
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}
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}
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@Override
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public void onMessage(WebSocket conn, ByteBuffer buffer){
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Charset charset = null;
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CharsetDecoder decoder = null;
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CharBuffer charBuffer = null;
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try {
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charset = Charset.forName("UTF-8");
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decoder = charset.newDecoder();
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// charBuffer = decoder.decode(buffer);//用这个的话，只能输出来一次结果，第二次显示为空
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charBuffer = decoder.decode(buffer.asReadOnlyBuffer());
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//return charBuffer.toString();
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System.out.println( charBuffer.toString());
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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}
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public void onFragment( WebSocket conn, Framedata fragment ) {
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}
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/**
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* 触发异常事件
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*/
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@Override
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public void onError( WebSocket conn, Exception ex ) {
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ex.printStackTrace();
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if( conn != null ) {
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//some errors like port binding failed may not be assignable to a specific websocket
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}
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}
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/**
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* 用户加入处理
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* @param user
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*/
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public void userjoin(String user, WebSocket conn){
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// AjaxJson j = new AjaxJson();
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// j.put("type", "user_join");
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// j.put("user", "<a onclick=\"toUserMsg('"+user+"');\">"+user+"</a>");
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// MsgServerPool.sendMessage(j.getJsonStr()); //把当前用户加入到所有在线用户列表中
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// String joinMsg = "{\"from\":\"[系统]\",\"content\":\""+user+"上线了\",\"timestamp\":"+new Date().getTime()+",\"type\":\"message\"}";
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// MsgServerPool.sendMessage(joinMsg); //向所有在线用户推送当前用户上线的消息
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// j = new AjaxJson();
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// j.put("type", "get_online_user");
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ChatServerPool.addUser(user,conn); //向连接池添加当前的连接对象
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// j.put("list", MsgServerPool.getOnlineUser());
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// MsgServerPool.sendMessageToUser(conn, j.getJsonStr()); //向当前连接发送当前在线用户的列表
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}
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/**
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* 用户下线处理
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* @param user
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*/
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public void userLeave(WebSocket conn){
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String user = ChatServerPool.getUserByKey(conn);
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boolean b = ChatServerPool.removeUser(conn); //在连接池中移除连接
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// if(b){
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// AjaxJson j = new AjaxJson();
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// j.put("type", "user_leave");
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// j.put("user", "<a onclick=\"toUserMsg('"+user+"');\">"+user+"</a>");
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// MsgServerPool.sendMessage(j.getJsonStr()); //把当前用户从所有在线用户列表中删除
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// String joinMsg = "{\"from\":\"[系统]\",\"content\":\""+user+"下线了\",\"timestamp\":"+new Date().getTime()+",\"type\":\"message\"}";
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// MsgServerPool.sendMessage(joinMsg); //向在线用户发送当前用户退出的消息
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// }
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}
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public static void main( String[] args ) throws InterruptedException , IOException {
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WebSocketImpl.DEBUG = false;
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int port = 8667; //端口
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ChatServer s = new ChatServer(port);
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s.start();
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//System.out.println( "服务器的端口" + s.getPort() );
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}
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}
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