question: public static void loadModule ( final JTree tree , final INaviModule module ) { Preconditions . checkNotNull ( tree , "IE01195: Tree argument can not be null" ) ; Preconditions . checkNotNull ( module , "IE01196: Module argument can not be null" ) ; loadModuleThreaded ( SwingUtilities . getWindowAncestor ( tree ) , module , tree ) ; }
target:  Loads a module while showing a progress dialog.