class.ilObjNullDAV.php

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<?php
// BEGIN WebDAV
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2005 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program is distributed in the hope that it will be useful,             |
        | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
        | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
        | GNU General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/
 
require_once "class.ilObjectDAV.php";
require_once "class.ilObjNull.php";
 
class ilObjNullDAV extends ilObjectDAV
{
        function ilObjNullDAV($refid, $obj = null) 
        {
                $this->ilObjectDAV($refid, $obj);
        }
        
        function getResourceType()
        {
                return 'null';
        }
 
        function getContentType()
        {
                return 'application/x-non-readable';
        }
        function read()
        {
                if (is_null($this->obj))
                {
                        $this->obj = &new ilObjNull($this->getRefId(),true);
                        $this->obj->read();
                }
        }
        
        function convertToILIASType($refId, $type)
        {
                $this->obj->setType($type);
                $this->write();
                $this->obj->setPermissions($refId);
                $this->writelog('convertToILIASType '.$type.' obj='.$this->getObjectId());
                $converted =& $this->createObject($this->getRefId(), $type);
                $converted->obj->createProperties();
                return $converted;
        }
}
// END WebDAV
?>