deprecated-addons/dav/SabreDAV/lib/Sabre/DAV/File.php

86 lines
1.8 KiB
PHP

<?php
/**
* File class
*
* This is a helper class, that should aid in getting file classes setup.
* Most of its methods are implemented, and throw permission denied exceptions
*
* @package Sabre
* @subpackage DAV
* @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
* @author Evert Pot (http://www.rooftopsolutions.nl/)
* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
*/
abstract class Sabre_DAV_File extends Sabre_DAV_Node implements Sabre_DAV_IFile {
/**
* Updates the data
*
* data is a readable stream resource.
*
* @param resource $data
* @return void
*/
public function put($data) {
throw new Sabre_DAV_Exception_Forbidden('Permission denied to change data');
}
/**
* Returns the data
*
* This method may either return a string or a readable stream resource
*
* @return mixed
*/
public function get() {
throw new Sabre_DAV_Exception_Forbidden('Permission denied to read this file');
}
/**
* Returns the size of the file, in bytes.
*
* @return int
*/
public function getSize() {
return 0;
}
/**
* Returns the ETag for a file
*
* An ETag is a unique identifier representing the current version of the file. If the file changes, the ETag MUST change.
* The ETag is an arbitrary string, but MUST be surrounded by double-quotes.
*
* Return null if the ETag can not effectively be determined
*
* @return string|null
*/
public function getETag() {
return null;
}
/**
* Returns the mime-type for a file
*
* If null is returned, we'll assume application/octet-stream
*
* @return string|null
*/
public function getContentType() {
return null;
}
}