Что не так? Все вроде бы по заданию
package com.javarush.task.task30.task3008;
import com.javarush.task.task30.task3008.client.Client;
import java.io.IOException;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketAddress;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
public class Server {
private static Map<String, Connection> connectionMap = new ConcurrentHashMap<> ();
private static class Handler extends Thread
{
private Socket socket;
public Handler(Socket socket)
{
this.socket=socket;
}
private String serverHandshake(Connection connection) throws IOException, ClassNotFoundException{
Message message = new Message (MessageType.NAME_REQUEST,"Отправьте имя клиента");
Message answer=new Message (MessageType.NAME_REQUEST);
String name=null;
while (name==null||name.equals ("")||connectionMap.containsKey (name)||!answer.getType ().equals (MessageType.USER_NAME))
{
connection.send (message);
answer=connection.receive ();
name=answer.getData ();
}
connectionMap.put (name,connection);
connection.send (new Message (MessageType.NAME_ACCEPTED));
return name;
}
private void notifyUsers(Connection connection, String userName) throws IOException{
Message message;
for (String name : connectionMap.keySet()) {
if (!name.equals(userName)) {
connection.send(new Message(MessageType.USER_ADDED, name));
// connectionMap.get(name).send(new Message(MessageType.USER_ADDED, "Добавлен новый пользователь с именем " + userName));
}
}
}
private void serverMainLoop(Connection connection, String userName) throws IOException, ClassNotFoundException{
while (true) {
Message message =connection.receive ();
if (message.getType ()==MessageType.TEXT) {
String text = message.getData ();
Server.sendBroadcastMessage (new Message (MessageType.TEXT, userName + ": " + text));
} else
ConsoleHelper.writeMessage ("Errors");
}
}
public void run()
{
ConsoleHelper.writeMessage("Установлено соединение с удаленным адресом: " + socket.getRemoteSocketAddress());
try(Connection connection = new Connection(socket)) {
String username =serverHandshake (connection);
sendBroadcastMessage(new Message (MessageType.USER_ADDED,username));
notifyUsers(connection,username);
serverMainLoop(connection,username);
connectionMap.remove (username);
sendBroadcastMessage (new Message (MessageType.USER_REMOVED,username));
}catch (IOException | ClassNotFoundException e) {
ConsoleHelper.writeMessage ("Ошибки в программе");
}
}
}
public static void sendBroadcastMessage(Message message) throws IOException {
for (HashMap.Entry<String,Connection>map:connectionMap.entrySet ()) {
try {
map.getValue ().send (message);
}catch (IOException e)
{
System.out.println (e.getMessage ());
}
}
}
public static void main (String[] args) {
int port = ConsoleHelper.readInt ();
ServerSocket serverSocket=null;
try {
serverSocket = new ServerSocket (port);
System.out.println ("Соединение установлено");
while (true)
{
new Handler (serverSocket.accept ()).start ();
}
} catch (IOException e) {
try {
serverSocket.close ();
} catch (IOException ex) {
System.out.println (e.getMessage ());
}
e.printStackTrace ();
}
}
}