ad5081d3
 孙向锦
初始化项目
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public class OnlineChatServer extends WebSocketServer{
public OnlineChatServer(int port) throws UnknownHostException {
super(new InetSocketAddress(port));
}
public OnlineChatServer(InetSocketAddress address) {
super(address);
}
/**
* 触发连接事件
*/
@Override
public void onOpen( WebSocket conn, ClientHandshake handshake ) {
//this.sendToAll( "new connection: " + handshake.getResourceDescriptor() );
//System.out.println("===" + conn.getRemoteSocketAddress().getAddress().getHostAddress());
}
/**
* 触发关闭事件
*/
@Override
public void onClose( WebSocket conn, int code, String reason, boolean remote ) {
userLeave(conn);
}
/**
* 客户端发送消息到服务器时触发事件
*/
@Override
public void onMessage(WebSocket conn, String message){
message = message.toString();
if(null != message && message.startsWith("[join]")){
this.userjoin(message.replaceFirst("\\[join\\]", ""),conn);
}else if(null != message && message.startsWith("[goOut]")){
this.goOut(message.replaceFirst("\\[goOut\\]", ""));
}else if(null != message && message.startsWith("[fhsms]")){
this.senFhsms(message.replaceFirst("\\[fhsms\\]", ""));
}else if(null != message && message.startsWith("[leave]")){
this.userLeave(conn);
}else if(null != message && message.startsWith("[count]")){
this.getUserCount(conn);
}else if(null != message && message.startsWith("[QQ313596790]")){
OnlineChatServerPool.setFhadmin(conn);
this.getUserList();
}else{
OnlineChatServerPool.sendMessageToUser(conn, message);//同时向本人发送消息
}
}
public void onFragment( WebSocket conn, Framedata fragment ) {
}
/**
* 触发异常事件
*/
@Override
public void onError( WebSocket conn, Exception ex ) {
//ex.printStackTrace();
if( conn != null ) {
//some errors like port binding failed may not be assignable to a specific websocket
}
}
/**
* 用户加入处理
* @param user
*/
public void userjoin(String user, WebSocket conn){
onlineMaganger(1,user,conn);
}
/**
* 站内信通知
* @param user
*/
public void senFhsms(String user){
JSONObject result = new JSONObject();
result.element("type", "senFhsms");
OnlineChatServerPool.sendMessageToUser(OnlineChatServerPool.getWebSocketByUser(user),result.toString());
}
/**
* 强制某用户下线
* @param user
*/
public void goOut(String user){
this.goOut(OnlineChatServerPool.getWebSocketByUser(user),"thegoout");
}
/**
* 强制用户下线
* @param conn
*/
public void goOut(WebSocket conn,String type){
JSONObject result = new JSONObject();
result.element("type", type);
result.element("msg", "goOut");
OnlineChatServerPool.sendMessageToUser(conn,result.toString());
}
/**
* 用户下线处理
* @param user
*/
public void userLeave(WebSocket conn){
onlineMaganger(2,null,conn);
}
/**
* 获取在线总数
* @param user
*/
public void getUserCount(WebSocket conn){
JSONObject result = new JSONObject();
result.element("type", "count");
result.element("msg", OnlineChatServerPool.getUserCount());
OnlineChatServerPool.sendMessageToUser(conn,result.toString());
}
/**
* 获取在线用户列表
* @param user
*/
public void getUserList(){
WebSocket conn = OnlineChatServerPool.getFhadmin();
if(null == conn){return;}
JSONObject result = new JSONObject();
result.element("type", "userlist");
result.element("list", OnlineChatServerPool.getOnlineUser());
OnlineChatServerPool.sendMessageToUser(conn,result.toString());
}
/**用户上下线管理
* @param type 1：上线；2：下线
* @param user
* @param conn
*/
public synchronized void onlineMaganger(int type,String user, WebSocket conn){
if(type == 1){
if(null == OnlineChatServerPool.getWebSocketByUser(user)){ //判断用户是否在其它终端登录
OnlineChatServerPool.addUser(user,conn); //向连接池添加当前的连接对象
addUserToFhadmin(user);
}else{
//goOut(conn,"goOut"); //不能重复登录
/* 挤掉对方 */
goOut(user);
OnlineChatServerPool.addUser(user,conn);
addUserToFhadmin(user);
}
}else{
OnlineChatServerPool.removeUser(conn); //在连接池中移除连接
this.getUserList();
}
}
/**
* 有用户登录系统,加入在线列表
* @param conn
*/
public void addUserToFhadmin(String user){
WebSocket conn = OnlineChatServerPool.getFhadmin();
if(null == conn){return;}
JSONObject result = new JSONObject();
result.element("type", "addUser");
result.element("user", user);
OnlineChatServerPool.sendMessageToUser(conn,result.toString());
}
public static void main( String[] args ) throws InterruptedException , IOException {
WebSocketImpl.DEBUG = false;
int port = 8887; //端口
OnlineChatServer s = new OnlineChatServer(port);
s.start();
//System.out.println( "服务器的端口" + s.getPort() );
}
}
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