Или не понял условие, или не могу найти ошибку.
package com.javarush.task.task30.task3008;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
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;
Handler(Socket socket) {
this.socket = socket;
}
private String serverHandshake(Connection connection) throws IOException, ClassNotFoundException {
Message messageNameRequest = new Message(MessageType.NAME_REQUEST, "Введите ваше имя.");
connection.send(messageNameRequest);
Message messageUserName = null;
while (true) {
messageUserName = connection.receive();
if(messageUserName.getType() != MessageType.USER_NAME) {
connection.send(messageNameRequest);
} else {
if (messageUserName.getData() == null || messageUserName.getData().equals("") || connectionMap.containsKey(messageUserName.getData())) {
connection.send(messageNameRequest);
} else {
connectionMap.put(messageUserName.getData(), connection);
connection.send(new Message(MessageType.NAME_ACCEPTED, "Имя принято."));
return messageUserName.getData();
}
}
}
}
private void sendListOfUsers(Connection connection, String userName) throws IOException {
for (String name : connectionMap.keySet()) {
if (!name.equals(userName)) {
connection.send(new Message(MessageType.USER_ADDED, "Добавлен пользователь с именем " + name));
// connectionMap.get(name).send(new Message(MessageType.USER_ADDED, "Добавлен новый пользователь с именем " + userName));
}
}
}
}
public static void sendBroadcastMessage(Message message) {
for (String name :connectionMap.keySet()) {
try {
connectionMap.get(name).send(message);
} catch (IOException e) {
// e.printStackTrace();
System.out.println("Не получилось отправить сообщение пользователю " + name);
}
}
}
public static void main(String[] args) {
int serverPort = ConsoleHelper.readInt();
ServerSocket serverSocket = null;
try {
serverSocket = new ServerSocket(serverPort);
ConsoleHelper.writeMessage("Сервер запущен.");
while (true) {
new Handler(serverSocket.accept()).start();
}
} catch (IOException e) {
try {
serverSocket.close();
} catch (IOException e1) {
e1.printStackTrace();
}
e.printStackTrace();
}
}
}