Added ProtocolValidator class

added MSGRS command (message recieved, sent for server to client after recieving a msg with what was recieved as aprameters) to NTtBCommands
continued work on ClientMsgDecoder

src/main/java/ch/unibas/dmi/dbis/cs108/Multiplayer/Protocol/NTtBCommands.java

@@ -4,6 +4,7 @@ package ch.unibas.dmi.dbis.cs108.Multiplayer.Protocol;
 
 public enum NTtBCommands {
     /**
+     * Client commands:
      * CRTGM: Create a new game
      * CHATA: chat to all
      * CHATW: whisper chat
@@ -15,5 +16,15 @@ public enum NTtBCommands {
      * QUITS: quit server/ leave servr
      * LISTP: list players/clients in session with the Server
      */
-    CRTGM, CHATA, CHATW, CHATG, LEAVG, JOING, VOTEG, QUITS, LISTP, CUSRN
+
+
+
+    //Client Commands
+    CRTGM, CHATA, CHATW, CHATG, LEAVG, JOING, VOTEG, QUITS, LISTP, CUSRN,
+
+    /**
+     * MSGRS: "Message recieved": Paramaters: a string detailing to the client that and what the server recieved as command.
+     */
+    //Server Responses
+    MSGRS,
 }

src/main/java/ch/unibas/dmi/dbis/cs108/Multiplayer/Protocol/ProtocolValidator.java

@@ -0,0 +1,4 @@
+package ch.unibas.dmi.dbis.cs108.Multiplayer.Protocol;
+
+public class ProtocolValidator {
+}

src/main/java/ch/unibas/dmi/dbis/cs108/Multiplayer/Server/ClientMsgDecoder.java

@@ -6,11 +6,21 @@ import java.util.List;
 import java.util.Scanner;
 
 public class ClientMsgDecoder implements ProtocolDecoder {
-    Scanner sc = new Scanner();
+
 
     @Override
     public String decodeMsg(String msg) {
-        List<String> msgTokens = tokenizeMsg(msg);
+        List<String> msgTokens = tokenizeMsg(msg);  //List where we'll put the string tokens seperated by $.
+        String cmd; //The command token
+        try{
+            cmd = getCommand(msgTokens);
+        } catch (NoCommandTokenException e) {
+            //TODO: decide what to do here. How can we catch this smartly and where do we send it?
+            System.out.println(("ClientMsgDecoder cannot find a command token"));
+            e.printStackTrace(System.out);
+            return"ERROR$command token not found"; //TODO This is a very unelegant solution.
+        }
+
         return null;
     }