public function simpleImportElement(SimpleXMLElement $o)
 {
     global $tree, $tpl, $ilUser;
     $title = $o->title;
     $description = $o->description;
     $external_id = $o->external_id;
     $create_mode = true;
     $attributes = $o->attributes();
     $action = (string) $attributes->action;
     $ou_id = (string) $attributes->ou_id;
     $ou_id_type = (string) $attributes->ou_id_type;
     $ou_parent_id = (string) $attributes->ou_parent_id;
     $ou_parent_id_type = (string) $attributes->ou_parent_id_type;
     if ($ou_id == ilObjOrgUnit::getRootOrgRefId()) {
         $this->addWarning("cannot_change_root_node", $ou_id ? $ou_id : $external_id, $action);
         return;
     }
     if ($ou_parent_id == "__ILIAS") {
         $ou_parent_id = ilObjOrgUnit::getRootOrgRefId();
         $ou_parent_id_type = "reference_id";
     }
     $ref_id = $this->buildRef($ou_id, $ou_id_type);
     $parent_ref_id = $this->buildRef($ou_parent_id, $ou_parent_id_type);
     if ($action == "delete") {
         if (!$parent_ref_id) {
             $this->addError("ou_parent_id_not_valid", $ou_id ? $ou_id : $external_id, $action);
             return;
         }
         if (!$ref_id) {
             $this->addError("ou_id_not_valid", $ou_id ? $ou_id : $external_id, $action);
             return;
         }
         include_once "./Services/Repository/classes/class.ilRepUtil.php";
         $ru = new ilRepUtil($this);
         try {
             $ru->deleteObjects($parent_ref_id, array($ref_id)) !== false;
             $this->stats["deleted"]++;
         } catch (Excpetion $e) {
             $this->addWarning("orgu_already_deleted", $ou_id ? $ou_id : $external_id, $action);
         }
         return;
     } elseif ($action == "update") {
         if (!$parent_ref_id) {
             $this->addError("ou_parent_id_not_valid", $ou_id ? $ou_id : $external_id, $action);
             return;
         }
         if (!$ref_id) {
             $this->addError("ou_id_not_valid", $ou_id ? $ou_id : $external_id, $action);
             return;
         }
         $object = new ilObjOrgUnit($ref_id);
         $object->setTitle($title);
         $arrTranslations = $object->getTranslations();
         $object->updateTranslation($title, $description, $ilUser->getLanguage(), "");
         $object->setDescription($description);
         $object->update();
         $object->setImportId($external_id);
         if ($parent_ref_id != $tree->getParentId($ref_id)) {
             try {
                 $tree->moveTree($ref_id, $parent_ref_id);
             } catch (Exception $e) {
                 global $ilLog;
                 $this->addWarning("not_movable", $ou_id ? $ou_id : $external_id, $action);
                 $ilLog->write($e->getMessage() . "\\n" . $e->getTraceAsString());
             }
         }
         $this->stats["updated"]++;
     } elseif ($action == "create") {
         if (!$parent_ref_id) {
             $this->addError("ou_parent_id_not_valid", $ou_id ? $ou_id : $external_id, $action);
             return;
         }
         if ($external_id) {
             $obj_id = ilObject::_lookupObjIdByImportId($external_id);
             if (ilObject::_hasUntrashedReference($obj_id)) {
                 $this->addError("ou_external_id_exists", $ou_id ? $ou_id : $external_id, $action);
                 return;
             }
         }
         $object = new ilObjOrgUnit();
         $object->setTitle($title);
         $object->setDescription($description);
         $object->setImportId($external_id);
         $object->create();
         $object->createReference();
         $object->putInTree($parent_ref_id);
         $object->setPermissions($ou_parent_id);
         $this->stats["created"]++;
     } else {
         $this->addError("no_valid_action_given", $ou_id, $action);
     }
 }