Added nickname change /n newName

src/main/java/ch/unibas/dmi/dbis/cs108/multiplayer/client/MessageFormatter.java

@@ -1,6 +1,4 @@
-package ch.unibas.dmi.dbis.cs108.multiplayer.server;
+package ch.unibas.dmi.dbis.cs108.multiplayer.client;
-
-import java.io.StringBufferInputStream;
 
 public class MessageFormatter {
 
@@ -23,15 +21,17 @@ public class MessageFormatter {
     }
     switch (header) {
       case "/c":
-        stringBuilder.append("CHATA");
+        stringBuilder.append("CHATA$");
-        s = msg.substring(2);
+        s = msg.substring(3);
         break;
       case "/q":
-        stringBuilder.append("QUITS");
+        stringBuilder.append("QUITS$");
-        s = msg.substring(2);
+        s = msg.substring(3);
         break;
       case "/n":
-        stringBuilder.append("NAMEC");
+        stringBuilder.append("NAMEC$");
+        s = msg.substring(3);
+        break;
       default:
         s = msg;
     }

src/main/java/ch/unibas/dmi/dbis/cs108/multiplayer/server/ClientHandler.java

@@ -79,7 +79,7 @@ public class ClientHandler implements Runnable {
    * The main logic of the client handler.
    * Since every client is put on a string this is where
    * most interactions between client and server are held
-   */
+   **/
   public void run() {
     String msg;
     while (socket.isConnected()) {
@@ -98,6 +98,13 @@ public class ClientHandler implements Runnable {
     return clientUserName;
   }
 
+  public void changeUsername(String newName) {
+
+    String h = this.clientUserName; //just a friendly little helper
+    this.clientUserName = newName;
+    broadcastMessage(h +" have changed their nickname to " + clientUserName);
+  }
+
   public void broadcastMessage(String msg) {
     for (ClientHandler client : connectedClients) {
       client.sendMsgToClient("CHATM:" + clientUserName + ": \"" + msg + "\"");

src/main/java/ch/unibas/dmi/dbis/cs108/multiplayer/server/JServerProtocolParser.java

@@ -21,6 +21,9 @@ public class JServerProtocolParser {
       case "CHATA":
         h.broadcastMessage(msg.substring(6));
         break;
+      case "NAMEC":
+        h.changeUsername(msg.substring(6));
+        break;
       case "CPING":
         h.sendMsgToClient("PINGB");
         break;