<?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; } }