Подскажите, в чем может быть ошибка.
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<>();
public static void sendBroadcastMessage(Message message) {
for (Map.Entry<String, Connection> entry : connectionMap.entrySet()) {
try {
entry.getValue().send(message);
} catch (IOException e) {
ConsoleHelper.writeMessage("Сообщение не доставлено!");
}
}
}
private static class Handler extends Thread {
private Socket socket;
public Handler(Socket socket) {
this.socket = socket;
}
private String serverHandshake(Connection connection) throws IOException, ClassNotFoundException {
while (true) {
connection.send(new Message(MessageType.NAME_REQUEST));
Message message=connection.receive();
if (message.getType() == MessageType.USER_NAME &&
!message.getData().isEmpty() &&
!connectionMap.containsKey(message.getData())) {
connectionMap.put(connection.receive().getData(), connection);
connection.send(new Message(MessageType.NAME_ACCEPTED));
return connection.receive().getData();
}
}
}
private void notifyUsers(Connection connection, String userName) throws IOException {
for (Map.Entry<String, Connection> entry : connectionMap.entrySet()) {
if (!entry.getKey().equals(userName)) {
connection.send(new Message(MessageType.USER_ADDED, entry.getKey()));
}
}
}
private void serverMainLoop(Connection connection, String userName) throws IOException, ClassNotFoundException {
while (true) {
Message message = connection.receive();
if (message.getType() == MessageType.TEXT) {
String messageText = userName + ":" + " " + message.getData();
Message messageNew = new Message(MessageType.TEXT, messageText);
sendBroadcastMessage(messageNew);
} else {
ConsoleHelper.writeMessage("Нe правильный формат сообщения!");
}
}
}
}
public static void main(String[] args) throws IOException {
ServerSocket serverSocket = null;
try {
serverSocket = new ServerSocket(ConsoleHelper.readInt());
ConsoleHelper.writeMessage("Сервер запущен.");
while (true) {
new Handler(serverSocket.accept()).start();
}
} catch (IOException e) {
ConsoleHelper.writeMessage("Ошибка соединения.");
serverSocket.close();
}
}
}