65 lines
1.5 KiB
PHP
65 lines
1.5 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Config\Resource;
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/**
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* FileResource represents a resource stored on the filesystem.
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*
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* The resource can be a file or a directory.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*
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* @final
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*/
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class FileResource implements SelfCheckingResourceInterface
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{
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/**
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* @var string|false
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*/
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private $resource;
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/**
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* @param string $resource The file path to the resource
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*
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* @throws \InvalidArgumentException
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*/
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public function __construct(string $resource)
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{
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$this->resource = realpath($resource) ?: (file_exists($resource) ? $resource : false);
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if (false === $this->resource) {
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throw new \InvalidArgumentException(sprintf('The file "%s" does not exist.', $resource));
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}
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}
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public function __toString(): string
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{
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return $this->resource;
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}
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/**
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* Returns the canonicalized, absolute path to the resource.
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*/
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public function getResource(): string
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{
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return $this->resource;
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}
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/**
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* {@inheritdoc}
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*/
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public function isFresh(int $timestamp): bool
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{
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return false !== ($filemtime = @filemtime($this->resource)) && $filemtime <= $timestamp;
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}
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}
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