Review

class AAPanel {
         public void actionPerformed(ActionEvent ae) {
            try {
               pubkey = passportService.readAAPublicKey();
               area.append("Read pubkey = " + pubkey + "\n");
            } catch (Exception e) {
               e.printStackTrace();
            }
         }
}

class AAPanel {
         public void actionPerformed(ActionEvent ae) {
            try {
               if (authService.doAA(pubkey)) {
                  area.append("AA succeeded!\n");
                  return;
               }
            } catch (Exception e) {
               e.printStackTrace();
            }
            area.append("AA failed!\n");
         }

}