AssetManager.php

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<?php
 
/*
 * This file is part of the Assetic package, an OpenSky project.
 *
 * (c) 2010-2014 OpenSky Project Inc
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
 
namespace Assetic;
 
use Assetic\Asset\AssetInterface;
 
class AssetManager
{
    private $assets = array();
 
    public function get($name)
    {
        if (!isset($this->assets[$name])) {
            throw new \InvalidArgumentException(sprintf('There is no "%s" asset.', $name));
        }
 
        return $this->assets[$name];
    }
 
    public function has($name)
    {
        return isset($this->assets[$name]);
    }
 
    public function set($name, AssetInterface $asset)
    {
        if (!ctype_alnum(str_replace('_', '', $name))) {
            throw new \InvalidArgumentException(sprintf('The name "%s" is invalid.', $name));
        }
 
        $this->assets[$name] = $asset;
    }
 
    public function getNames()
    {
        return array_keys($this->assets);
    }
 
    public function clear()
    {
        $this->assets = array();
    }
}