111 lines
3.1 KiB
PHP
111 lines
3.1 KiB
PHP
<?php
|
|
|
|
/**
|
|
* Collection class
|
|
*
|
|
* This is a helper class, that should aid in getting collections 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_Collection extends Sabre_DAV_Node implements Sabre_DAV_ICollection {
|
|
|
|
/**
|
|
* Returns a child object, by its name.
|
|
*
|
|
* This method makes use of the getChildren method to grab all the child
|
|
* nodes, and compares the name.
|
|
* Generally its wise to override this, as this can usually be optimized
|
|
*
|
|
* This method must throw Sabre_DAV_Exception_NotFound if the node does not
|
|
* exist.
|
|
*
|
|
* @param string $name
|
|
* @throws Sabre_DAV_Exception_NotFound
|
|
* @return Sabre_DAV_INode
|
|
*/
|
|
public function getChild($name) {
|
|
|
|
foreach($this->getChildren() as $child) {
|
|
|
|
if ($child->getName()==$name) return $child;
|
|
|
|
}
|
|
throw new Sabre_DAV_Exception_NotFound('File not found: ' . $name);
|
|
|
|
}
|
|
|
|
/**
|
|
* Checks is a child-node exists.
|
|
*
|
|
* It is generally a good idea to try and override this. Usually it can be optimized.
|
|
*
|
|
* @param string $name
|
|
* @return bool
|
|
*/
|
|
public function childExists($name) {
|
|
|
|
try {
|
|
|
|
$this->getChild($name);
|
|
return true;
|
|
|
|
} catch(Sabre_DAV_Exception_NotFound $e) {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Creates a new file in the directory
|
|
*
|
|
* Data will either be supplied as a stream resource, or in certain cases
|
|
* as a string. Keep in mind that you may have to support either.
|
|
*
|
|
* After succesful creation of the file, you may choose to return the ETag
|
|
* of the new file here.
|
|
*
|
|
* The returned ETag must be surrounded by double-quotes (The quotes should
|
|
* be part of the actual string).
|
|
*
|
|
* If you cannot accurately determine the ETag, you should not return it.
|
|
* If you don't store the file exactly as-is (you're transforming it
|
|
* somehow) you should also not return an ETag.
|
|
*
|
|
* This means that if a subsequent GET to this new file does not exactly
|
|
* return the same contents of what was submitted here, you are strongly
|
|
* recommended to omit the ETag.
|
|
*
|
|
* @param string $name Name of the file
|
|
* @param resource|string $data Initial payload
|
|
* @return null|string
|
|
*/
|
|
public function createFile($name, $data = null) {
|
|
|
|
throw new Sabre_DAV_Exception_Forbidden('Permission denied to create file (filename ' . $name . ')');
|
|
|
|
}
|
|
|
|
/**
|
|
* Creates a new subdirectory
|
|
*
|
|
* @param string $name
|
|
* @throws Sabre_DAV_Exception_Forbidden
|
|
* @return void
|
|
*/
|
|
public function createDirectory($name) {
|
|
|
|
throw new Sabre_DAV_Exception_Forbidden('Permission denied to create directory');
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|