forked from GNUsocial/gnu-social
77 lines
1.6 KiB
PHP
77 lines
1.6 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of the Symfony package.
|
|
*
|
|
* (c) Fabien Potencier <fabien@symfony.com>
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
namespace Symfony\Component\Config\Resource;
|
|
|
|
/**
|
|
* FileExistenceResource represents a resource stored on the filesystem.
|
|
* Freshness is only evaluated against resource creation or deletion.
|
|
*
|
|
* The resource can be a file or a directory.
|
|
*
|
|
* @author Charles-Henri Bruyand <charleshenri.bruyand@gmail.com>
|
|
*/
|
|
class FileExistenceResource implements SelfCheckingResourceInterface, \Serializable
|
|
{
|
|
private $resource;
|
|
|
|
private $exists;
|
|
|
|
/**
|
|
* @param string $resource The file path to the resource
|
|
*/
|
|
public function __construct($resource)
|
|
{
|
|
$this->resource = (string) $resource;
|
|
$this->exists = file_exists($resource);
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function __toString()
|
|
{
|
|
return $this->resource;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function getResource()
|
|
{
|
|
return $this->resource;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function isFresh($timestamp)
|
|
{
|
|
return file_exists($this->resource) === $this->exists;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function serialize()
|
|
{
|
|
return serialize(array($this->resource, $this->exists));
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function unserialize($serialized)
|
|
{
|
|
list($this->resource, $this->exists) = unserialize($serialized);
|
|
}
|
|
}
|