feat: add public message

app/src/main/java/clientserver/server/MessageProcessor.java

@@ -42,6 +42,10 @@ public class MessageProcessor {
             case "/disconnect":
                 handleDisconnect();
                 break;
+            default:
+                // Broadcast message to all clients
+                broadcastMessage(message);
+                break;
         }
     }
 
@@ -95,6 +99,20 @@ public class MessageProcessor {
         );
     }
 
+    private void broadcastMessage(String message) {
+        String formattedMessage = "> " + client.getPseudo() + ": " + message;
+
+        for (ClientHandler handler : Server.getAllClientHandlers()) {
+            Client targetClient = handler.getClient();
+            Server.sendMessage(
+                clientHandlerSocket,
+                formattedMessage,
+                targetClient.getAddress(),
+                targetClient.getPort()
+            );
+        }
+    }
+
     private void handleMsgCommand() {
         Server.sendMessage(
             clientHandlerSocket,

app/src/main/java/clientserver/server/Server.java

@@ -5,6 +5,7 @@ import java.io.IOException;
 import java.net.DatagramPacket;
 import java.net.DatagramSocket;
 import java.net.InetAddress;
+import java.util.Collection;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
@@ -179,6 +180,10 @@ public class Server {
         return mapPseudosConnectedClientsHandlers.get(pseudo);
     }
 
+    public static Collection<ClientHandler> getAllClientHandlers() {
+        return mapPseudosConnectedClientsHandlers.values();
+    }
+
     public void addConnectedClientHandler(
         String pseudo,
         ClientHandler clientHandler