<?php
/*
* This file is part of the Silex framework.
*
* (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 Silex\Provider\Routing;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Routing\Matcher\RequestMatcherInterface;
use Symfony\Component\Routing\Matcher\UrlMatcherInterface;
/**
* Implements a lazy UrlMatcher.
*
* @author Igor Wiedler <igor@wiedler.ch>
* @author Jérôme Tamarelle <jerome@tamarelle.net>
*/
class LazyRequestMatcher implements RequestMatcherInterface
{
private $factory;
public function __construct(\Closure $factory)
{
$this->factory = $factory;
}
/**
* Returns the corresponding RequestMatcherInterface instance.
*
* @return UrlMatcherInterface
*/
public function getRequestMatcher()
{
$matcher = call_user_func($this->factory);
if (!$matcher instanceof RequestMatcherInterface) {
throw new \LogicException("Factory supplied to LazyRequestMatcher must return implementation of Symfony\Component\Routing\RequestMatcherInterface.");
}
return $matcher;
}
/**
* {@inheritdoc}
*/
