<?php

/*

 * This file is part of the Assetic package, an OpenSky project.

 *

 * (c) 2010-2011 OpenSky Project Inc

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Assetic\Factory\Resource;

/**

 * A resource is something formulae can be loaded from.

 *

 * @author Kris Wallsmith <kris.wallsmith@gmail.com>

 */

class FileResource implements ResourceInterface

{

    private $path;

    /**

     * Constructor.

     *

     * @param string $path The path to a file

     */

    public function __construct($path)

    {

        $this->path = $path;

    }

    public function isFresh($timestamp)

    {

        return file_exists($this->path) && filemtime($this->path) <= $timestamp;

    }

    public function getContent()

    {

        return file_exists($this->path) ? file_get_contents($this->path) : '';

    }

    public function __toString()

    {

        return $this->path;

    }

}