diff --git a/src/site/controllers/parts.json.php b/src/site/controllers/parts.json.php
index 56307eb..93135ea 100644
--- a/src/site/controllers/parts.json.php
+++ b/src/site/controllers/parts.json.php
@@ -10,7 +10,42 @@ defined('_JEXEC') or die;
 abstract class UserException extends Exception {}
 class InvalidUserDataException extends UserException {}
 
-class ClubsHelperControllerUser
+abstract class AbstractClubsHelperController
+{
+    
+    private $fcnNames;
+    
+    public function __construct()
+    {
+        $this->fcnNames = array();
+        $this->registerAll();
+    }
+    
+    abstract protected function registerAll();
+    
+    protected function registerFcn($fcnName, $methodName)
+    {
+        $this->fcnNames[$fcnName] = $methodName;
+    }
+    
+    public function handle($fcnName, $data, $post)
+    {
+        if(empty($this->fcnNames[$fcnName]))
+            throw new Exception();
+        
+        $method = $this->fcnNames[$fcnName];
+        $this->$method($data, $post);
+    }
+    
+    protected function checkLen($value, $len, $msg)
+    {
+        if(strlen($value) < 5)
+            throw new InvalidUserDataException($msg);
+    }
+    
+}
+
+class ClubsHelperControllerUser extends AbstractClubsHelperController
 {
     /**
      * @param string $fcnName
@@ -52,13 +87,19 @@ class ClubsHelperControllerUser
         return "index.php?option=com_clubs&view=part&type=user.$fcnName";
     }
     
-    private function checkLen($value, $len, $msg)
+    
+    protected function registerAll()
     {
-        if(strlen($value) < 5)
-            throw new InvalidUserDataException($msg);
+        $this->registerFcn('name', 'editName');
+        $this->registerFcn('username', 'editUsername');
+        $this->registerFcn('address', 'editAddress');
+        $this->registerFcn('city', 'editCity');
+        $this->registerFcn('mail', 'editMail');
+        $this->registerFcn('phone', 'editPhone');
+        $this->registerFcn('mobile', 'editMobile');
     }
     
-    private function editName($user, $post)
+    protected function editName($user, $post)
     {
         $name = trim($post->getString('value'));
         $this->checkLen($name, 5, "Der Name muss mindestens 5 Zeichen lang sein.");
@@ -67,11 +108,12 @@ class ClubsHelperControllerUser
         $user->save();
     }
     
-    private function editUsername($user, $post)
+    protected function editUsername($user, $post)
     {
         $username = $post->getString('value');
         $validator = new ClubsHelperValidator();
         $res = $validator->validateUsername($user, $username);
+        $this->checkLen($username, 5, 'Der Benutzername muss mindestens 5 Zeichen lang sein.');
         
         switch($res)
         {
@@ -91,7 +133,7 @@ class ClubsHelperControllerUser
         }
     }
     
-    private function editAddress($user, $post)
+    protected function editAddress($user, $post)
     {
         $address = trim($post->getString('value'));
         $this->checkLen($address, 10, 'Die Adresse muss mindestens 10 Zeichen lang sein.');
@@ -105,7 +147,7 @@ class ClubsHelperControllerUser
         $user->save();
     }
     
-    private function editCity($user, $post)
+    protected function editCity($user, $post)
     {
         $city = trim($post->getString('value'));
         $this->checkLen($city, 4, 'Die Stadt muss aus mindestens 4 Zeichen bestehen.');
@@ -114,7 +156,7 @@ class ClubsHelperControllerUser
         $user->save();
     }
     
-    private function editMail($user, $post)
+    protected function editMail($user, $post)
     {
         $mail = trim($post->getString('value'));
         $this->checkLen($mail, 8, "Die Mail-Adresse muss aus mindestens 8 Zeichen bestehen.");
@@ -125,7 +167,7 @@ class ClubsHelperControllerUser
         $user->save();
     }
     
-    private function editPhone($user, $post)
+    protected function editPhone($user, $post)
     {
         $phone = trim($post->getString('value'));
         
@@ -149,7 +191,7 @@ class ClubsHelperControllerUser
         $user->save();
     }
     
-    private function editMobile($user, $post)
+    protected function editMobile($user, $post)
     {
         $mobile = trim($post->getString('value'));
         
@@ -172,6 +214,7 @@ class ClubsHelperControllerUser
         $user->setMobile($mobilePlain);
         $user->save();
     }
+
 }
 
 class ClubsControllerParts extends BaseController
@@ -212,11 +255,13 @@ class ClubsControllerParts extends BaseController
         {
             case 'user':
                 $obj = new ClubsHelperControllerUser();
-                return $obj->parse($fcnName, $user, $post);
+                $obj->handle($fcnName, $user, $post);
+                break;
                 
             default:
                 throw new Exception();
         }
+        return "index.php?option=com_clubs&view=part&type=$partname";
     }
     
 }