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<?php
declare(strict_types=1);
namespace Sabre\DAV\Xml\Property;
use Sabre\DAV\Exception\BadRequest;
use Sabre\DAV\Sharing\Plugin as SharingPlugin;
use Sabre\Xml\Element;
use Sabre\Xml\Reader;
use Sabre\Xml\Writer;
/**
* This class represents the {DAV:}share-access property.
*
* This property is defined here:
* https://tools.ietf.org/html/draft-pot-webdav-resource-sharing-03#section-4.4.1
*
* This property is used to indicate if a resource is a shared resource, and
* whether the instance of the shared resource is the original instance, or
* an instance belonging to a sharee.
*
* @copyright Copyright (C) fruux GmbH (https://fruux.com/).
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class ShareAccess implements Element
{
/**
* Either SHARED or SHAREDOWNER.
*
* @var int
*/
protected $value;
/**
* Creates the property.
*
* The constructor value must be one of the
* \Sabre\DAV\Sharing\Plugin::ACCESS_ constants.
*
* @param int $shareAccess
*/
public function __construct($shareAccess)
{
$this->value = $shareAccess;
}
/**
* Returns the current value.
*
* @return int
*/
public function getValue()
{
return $this->value;
}
/**
* The xmlSerialize method is called during xml writing.
*
* Use the $writer argument to write its own xml serialization.
*
* An important note: do _not_ create a parent element. Any element
* implementing XmlSerializable should only ever write what's considered
* its 'inner xml'.
*
* The parent of the current element is responsible for writing a
* containing element.
*
* This allows serializers to be re-used for different element names.
*
* If you are opening new elements, you must also close them again.
*
* @param Writer $writer
*/
public function xmlSerialize(Writer $writer)
{
switch ($this->value) {
case SharingPlugin::ACCESS_NOTSHARED:
$writer->writeElement('{DAV:}not-shared');
break;
case SharingPlugin::ACCESS_SHAREDOWNER:
$writer->writeElement('{DAV:}shared-owner');
break;
case SharingPlugin::ACCESS_READ:
$writer->writeElement('{DAV:}read');
break;
case SharingPlugin::ACCESS_READWRITE:
$writer->writeElement('{DAV:}read-write');
break;
case SharingPlugin::ACCESS_NOACCESS:
$writer->writeElement('{DAV:}no-access');
break;
}
}
/**
* The deserialize method is called during xml parsing.
*
* This method is called statically, this is because in theory this method
* may be used as a type of constructor, or factory method.
*
* Often you want to return an instance of the current class, but you are
* free to return other data as well.
*
* You are responsible for advancing the reader to the next element. Not
* doing anything will result in a never-ending loop.
*
* If you just want to skip parsing for this element altogether, you can
* just call $reader->next();
*
* $reader->parseInnerTree() will parse the entire sub-tree, and advance to
* the next element.
*
* @param Reader $reader
*
* @return mixed
*/
public static function xmlDeserialize(Reader $reader)
{
$elems = $reader->parseInnerTree();
foreach ($elems as $elem) {
switch ($elem['name']) {
case '{DAV:}not-shared':
return new self(SharingPlugin::ACCESS_NOTSHARED);
case '{DAV:}shared-owner':
return new self(SharingPlugin::ACCESS_SHAREDOWNER);
case '{DAV:}read':
return new self(SharingPlugin::ACCESS_READ);
case '{DAV:}read-write':
return new self(SharingPlugin::ACCESS_READWRITE);
case '{DAV:}no-access':
return new self(SharingPlugin::ACCESS_NOACCESS);
}
}
throw new BadRequest('Invalid value for {DAV:}share-access element');
}
}
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