public CategoryNode(FiltersExplorer.Utils utils, Category category) {
   super(
       utils.isLeaf(category)
           ? Children.LEAF
           : Children.create(new CategoryChildFactory(utils, category), true));
   this.category = category;
   if (category != null) {
     setName(category.getName());
   } else {
     setName(NbBundle.getMessage(CategoryNode.class, "RootNode.name"));
   }
 }