some code refactoring

dockingvl/src/main/java/fr/soleil/docking/vl/view/VlDockViewFactory.java

@@ -15,9 +15,14 @@ public class VlDockViewFactory extends AbstractViewFactory {
     }
 
     @Override
-    public IView addView(String title, Icon icon, Component component, Object id, JComponent dockingArea) {
+    protected IView createView(String title, Icon icon, Component component, Object id) {
         // TODO Auto-generated method stub
         return null;
     }
 
+    @Override
+    protected void updateViewForDockingArea(IView view, JComponent dockingArea) {
+        // TODO Auto-generated method stub
+    }
+
 }