private void handleRoleChange(String roleName) {
if (roleName == null || roleName.trim().isEmpty()) {
return;
}
QueueRolePermission permission = new QueueRolePermission();
permission.setRoleName(roleName);
QueueRolePermissionBox box = new QueueRolePermissionBox(permission, handler);
handler.addQueueRolePermissionBox(box);
}