jython - How to track progress bar status of a java window -

my application created in java , opens several java windows on invoking event. active window using **jython **code:

 k = keyboardfocusmanager.getcurrentkeyboardfocusmanager()  wa = k.getactivewindow()  print(wa.gettitle()) 

but, how open java windows ? and, how status of progress bar inside java window?