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<?php
namespace Sabre\DAV\Xml\Property;
use Sabre\Xml\Element;
use Sabre\Xml\Reader;
use Sabre\Xml\Writer;
use Sabre\HTTP;
use DateTime;
use DateTimeZone;
/**
* This property represents the {DAV:}getlastmodified property.
*
* Defined in:
* http://tools.ietf.org/html/rfc4918#section-15.7
*
* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
* @author Evert Pot (http://www.rooftopsolutions.nl/)
* @license http://sabre.io/license/ Modified BSD License
*/
class GetLastModified implements Element {
/**
* time
*
* @var DateTime
*/
public $time;
/**
* Constructor
*
* @param int|DateTime $time
*/
function __construct($time) {
if ($time instanceof DateTime) {
$this->time = clone $time;
} else {
$this->time = new DateTime('@' . $time);
}
// Setting timezone to UTC
$this->time->setTimezone(new DateTimeZone('UTC'));
}
/**
* getTime
*
* @return DateTime
*/
function getTime() {
return $this->time;
}
/**
* The serialize method is called during xml writing.
*
* It should use the $writer argument to encode this object into XML.
*
* Important note: it is not needed to create the parent element. The
* parent element is already created, and we only have to worry about
* attributes, child elements and text (if any).
*
* Important note 2: If you are writing any new elements, you are also
* responsible for closing them.
*
* @param Writer $writer
* @return void
*/
function xmlSerialize(Writer $writer) {
$writer->write(
HTTP\Util::toHTTPDate($this->time)
);
}
/**
* The deserialize method is called during xml parsing.
*
* This method is called statictly, 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.
*
* Important note 2: 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
*/
static function xmlDeserialize(Reader $reader) {
return
new self(new DateTime($reader->parseInnerTree()));
}
}
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