Merge branch 'server' into 'main'

Server

See merge request fdai7332/java-chat!3

src/main/java/ChatServer.java

@@ -2,31 +2,59 @@
 import java.io.IOException;
 import java.net.ServerSocket;
 import java.net.Socket;
+import java.util.List;
+import java.util.concurrent.CopyOnWriteArrayList;
 
 public class ChatServer {
 	private ServerSocket serverSocket;
+	private List<ClientHandler> clients; // Liste, um alle verbundenen Clients zu verwalten
 
 	public ChatServer(int port) {
+		clients = new CopyOnWriteArrayList<>(); // Verwende CopyOnWriteArrayList für die Thread-Sicherheit
+
 		try {
 			serverSocket = new ServerSocket(port);
 			System.out.println("Started ChatServer on port " + port);
 
-			Socket connectionToClient = serverSocket.accept();
-
-			System.out.println("Accepted new Client");
+			while (true) {
+				System.out.println("waiting for new Client...");
+				Socket connectionToClient = serverSocket.accept(); // Auf Verbindungen von Clients warten
+				ClientHandler client = new ClientHandler(this, connectionToClient);
+				clients.add(client); // Neuen Client zur Liste hinzufügen
+				System.out.println("Accepted new Client");
+			}
 		} catch (IOException e) {
 			e.printStackTrace();
+		} finally {
+			if (serverSocket != null) {
+				try {
+					serverSocket.close();
+				} catch (IOException e) {
+					e.printStackTrace();
+				}
+			}
+
 		}
 
 	}
-
-	public void broadcastMessage(String s) {
+	// Methode, um eine Nachricht an alle verbundenen Clients zu senden
+	public void broadcastMessage(String message) { 
+		System.out.println(message);
+		if (message != null) {
+			for (ClientHandler client : clients) {
+				client.sendMessage(message); // Nachricht an jeden Client senden
+			}
+		}
 
 	}
 
 	public static void main(String[] args) {
-		new ChatServer(3141);
+		new ChatServer(3141); // ChatServer auf Port 3141 starten (eventuell den Port flexibler noch wählen? falls belegt)
 
 	}
+	// Methode, um einen Client aus der Liste der verbundenen Clients zu entfernen
+	public void removeClient(ClientHandler client) {
+		clients.remove(client);
+	}
 
 }