Apache NetBeans 17

FileObject fo = FileUtil.toFileObject(new File("test.js").getAbsoluteFile());
DataObject newDo = DataObject.find(fo);
final Node node = newDo.getNodeDelegate();
Action a = node.getPreferredAction();
if (a instanceof ContextAwareAction) {
       a = ((ContextAwareAction) a).createContextAwareInstance(node.getLookup());
}
if (a != null) {
      a.actionPerformed(new ActionEvent(node, ActionEvent.ACTION_PERFORMED, "")); // NOI18N
}

FileObject fileObject=...
DataObject.find(fileObject).getLookup().lookup(OpenCookie.class).open();