class.ilObjFileDAV.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 './Services/History/classes/class.ilHistory.php';
require_once 'Services/Utilities/classes/class.ilUtil.php';
require_once "Modules/File/classes/class.ilObjFile.php";
 
// NOTE: I changed class.ilObjFile.php to support the functionality needed by this handler.
 
class ilObjFileDAV extends ilObjectDAV
{
        function ilObjFileDAV($refid, $obj = null) 
        {
               $this->ilObjectDAV($refid, $obj);
              
               // Set debug to true, if you want to get debug output for this
               // object
               //$this->isDebug = true;
        }
        
        function initFromNull()
        {
                $this->obj->setFileName($this->getResourceName());
                $this->obj->setFileType($this->obj->guessFileType());
                $this->write();
                $this->obj->setPermissions($this->getRefId());
        }
        function createNewVersion() {
                $this->obj->setVersion($this->obj->getVersion() + 1);
                ilHistory::_createEntry($this->obj->getId(), "replace",
                        $this->obj->getFileName().",".$this->obj->getVersion());
        }
 
        
        function getResourceType()
        {
                return "";
        }
 
        function getContentType()
        {
                //return $this->obj->getFileType();
                return  $this->obj->guessFileType();
        }
        function setContentType($type)
        {
                $this->obj->setFileType($type);
        }
        function setContentLength($length)
        {
                $this->writeLog('setContentLength('.$length.')');
                $this->obj->setFileSize($length);
        }
        function getContentLength()
        {
                return ilObjFile::_lookupFileSize($this->obj->getId());
        }
        function getContentStream()
        {
                $file = $this->obj->getFile();
                return (file_exists($file)) ? fopen($file,'r') : null;
        }
        function getContentOutputStream()
        {
                $file = $this->obj->getFile();
                $parent = dirname($file);
                if (! file_exists($parent))
                {
                        ilUtil::makeDirParents($parent);
                }
                
                return fopen($file,'w');
        }
        function getContentOutputStreamLength()
        {
                $file = $this->obj->getFile();  
                return file_exists($file) ? filesize($file) : 0;
                
        }
        function getContentData()
        {
                return null;
        }
        function read()
        {
                if (is_null($this->obj))
                {
                        $this->obj = &new ilObjFile($this->getRefId(),true);
                        $this->obj->read();
                }
        }
        function write()
        {
                $this->isNewFile = $this->obj->getVersion() == 0;
                if ($this->isNewFile)
                {
                        $this->obj->setVersion(1);
                }
                parent::write();
                /*
                ilHistory::_createEntry($this->getObjectId(), 'update', '', '','', true);
                */
        }
}
// END WebDAV
?>