if (res != null) {
final UserManagementService mgtService = (UserManagementService)
current.getService("UserManagementService", "1.0");
final Account user = mgtService.getAccount(properties.getProperty("user", "guest"));
if(args[0].equalsIgnoreCase("lock")) {
mgtService.lockResource(res, user);
} else {
mgtService.unlockResource(res);
}
}