basic client/server structure

ChatApp/src/server/Server.java

@@ -0,0 +1,52 @@
+package server;
+
+import java.net.DatagramSocket;
+import java.net.InetSocketAddress;
+import java.net.SocketException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+
+import network.PacketHandler;
+import network.SocketReader;
+import network.protocol.Packet;
+
+public class Server implements PacketHandler {
+
+	private final DatagramSocket serverSocket;
+	private final Map<InetSocketAddress, ServerConnexion> connexions;
+	private final SocketReader reader;
+	private final ArrayList<String> roomNames;
+
+	public Server(int port) throws SocketException {
+		this.serverSocket = new DatagramSocket(port);
+		this.connexions = new HashMap<>();
+		this.reader = new SocketReader(serverSocket, this);
+		this.roomNames = new ArrayList<>();
+	}
+
+	public ArrayList<String> getRoomNames() {
+		return roomNames;
+	}
+
+	public void close() {
+		this.reader.stop();
+	}
+
+	public boolean hasChatterName(String pseudo) {
+		for (var entry : this.connexions.entrySet()) {
+			if (pseudo.equals(entry.getValue().getChatterName()))
+				return true;
+		}
+		return false;
+	}
+
+	@Override
+	public void handlePacket(Packet packet, InetSocketAddress address) {
+		if (!connexions.containsKey(address)) {
+			this.connexions.put(address, new ServerConnexion(this, serverSocket, address));
+		}
+		this.connexions.get(address).visit(packet);
+	}
+
+}