Второй и третий пункты не выполняются, хотя в коде прописаны.
package com.javarush.task.task30.task3008;
import jdk.nashorn.internal.objects.annotations.Constructor;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
public class Server {
private static Map<String, Connection> connectionMap = new ConcurrentHashMap<>();
public static void sendBroadcastMessage(Message message) {
for (ConcurrentHashMap.Entry<String, Connection> currentConnection : connectionMap.entrySet()) {
try {
currentConnection.getValue().send(message);
} catch (IOException e) {
System.out.println("Ошибка при отправке сообщения");
}
}
}
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 nameRequest = new Message(MessageType.NAME_REQUEST);
connection.send(nameRequest);
Message clientName = connection.receive();
String name;
if (clientName != null) {
if (clientName.getType() == MessageType.USER_NAME) {
name = clientName.getData();
if (!name.equals("")) {
if (!connectionMap.containsKey(name)) {
connectionMap.put(name, connection);
connection.send(new Message(MessageType.NAME_ACCEPTED));
return name;
} else {
name = serverHandshake(connection);
}
} else {
name = serverHandshake(connection);
}
} else {
name = serverHandshake(connection);
}
} else {
name = serverHandshake(connection);
}
return name;
}
private void sendListOfUsers(Connection connection, String userName) throws IOException {
for (ConcurrentMap.Entry<String, Connection> currentUser : connectionMap.entrySet()) {
if (!currentUser.getKey().equals(userName)) {
Message addedUser = new Message(MessageType.USER_ADDED, currentUser.getKey());
connection.send(addedUser);
}
}
}
private void serverMainLoop(Connection connection, String userName)
throws IOException, ClassNotFoundException {
while (true) {
Message receivedMessage = connection.receive();
if (receivedMessage.getType() == MessageType.TEXT) {
String text = userName + ": " + receivedMessage.getData();
Message sendingMessage = new Message(MessageType.TEXT, text);
sendBroadcastMessage(sendingMessage);
} else {
ConsoleHelper.writeMessage("Incorrect message");
}
}
}
@Override
public void run() {
ConsoleHelper.writeMessage("New connection created. Address: " + socket.getRemoteSocketAddress());
String userName = null;
try (Connection connection = new Connection(socket)) {
userName = serverHandshake(connection);
Message userAddedMessage = new Message(MessageType.USER_ADDED, userName);
sendBroadcastMessage(userAddedMessage);
sendListOfUsers(connection, userName);
serverMainLoop(connection, userName);
} catch (IOException ex) {
ConsoleHelper.writeMessage("Error!");
} catch (ClassNotFoundException ex) {
ConsoleHelper.writeMessage("Error!");
}
if (userName != null && !userName.isEmpty()) {
connectionMap.remove(userName);
sendBroadcastMessage(new Message(MessageType.USER_REMOVED, userName));
}
ConsoleHelper.writeMessage("Connection closed.");
}
}
public static void main(String[] args) {
int serverPort;
serverPort = ConsoleHelper.readInt();
ServerSocket serverSocket = null;
try {
try {
serverSocket = new ServerSocket(serverPort);
System.out.println("Сервер запущен");
while (true) {
Socket anotherSocket;
anotherSocket = serverSocket.accept();
Handler handler = new Handler(anotherSocket);
handler.start();
}
} catch (IOException e) {
System.out.println(e.getMessage());
} finally {
serverSocket.close();
}
} catch (IOException e) {
System.out.println(e.getMessage());
}
}
}