/**
  * Renames the node
  * 
  * @throws Sabre\DAV\Exception\Forbidden
  * @param string $name The new name
  * @return void
  */
 public function setName($name)
 {
     Tinebase_Frontend_WebDAV_Node::checkForbiddenFile($name);
     if (!Tinebase_Core::getUser()->hasGrant($this->_getContainer(), Tinebase_Model_Grants::GRANT_EDIT)) {
         throw new Sabre\DAV\Exception\Forbidden('Forbidden to rename file: ' . $this->_path);
     }
     $this->_getContainer()->name = $name;
     Tinebase_Container::getInstance()->update($this->_getContainer());
 }
 /**
  * Creates a new subdirectory 
  * 
  * @param string $name 
  * @throws Sabre\DAV\Exception\Forbidden
  * @return void
  */
 public function createDirectory($name)
 {
     Tinebase_Frontend_WebDAV_Node::checkForbiddenFile($name);
     if (!Tinebase_Core::getUser()->hasGrant($this->_getContainer(), Tinebase_Model_Grants::GRANT_ADD)) {
         throw new Sabre\DAV\Exception\Forbidden('Forbidden to create folder: ' . $name);
     }
     $path = $this->_path . '/' . $name;
     if (Tinebase_Core::isLogLevel(Zend_Log::DEBUG)) {
         Tinebase_Core::getLogger()->debug(__METHOD__ . '::' . __LINE__ . ' create directory: ' . $path);
     }
     Tinebase_FileSystem::getInstance()->mkdir($path);
 }