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<?php
namespace Eole\Sandstone\Websocket\Routing;
use LogicException;
use Symfony\Component\Routing\Matcher\UrlMatcher;
use Eole\Sandstone\Websocket\Topic;
class TopicRouter
{
/**
* @var UrlMatcher
*/
private $urlMatcher;
* @param UrlMatcher $urlMatcher
public function __construct(UrlMatcher $urlMatcher)
$this->urlMatcher = $urlMatcher;
}
* @param string $topicPath
*
* @return Topic
* @throws LogicException when cannot load topic.
public function loadTopic($topicPath)
$arguments = $this->urlMatcher->match('/'.$topicPath);
$topicFactory = $arguments['_topic_factory'];
if (!is_callable($topicFactory)) {
throw new LogicException("Topic $topicPath is not a callback.");
$topicInstance = $topicFactory($topicPath, $arguments);
if (!$topicInstance instanceof Topic) {
throw new LogicException(sprintf(
'Topic callback for %s must return an instance of %s.',
$topicPath,
Topic::class
));
return $topicInstance;
eole-io /
sandstone
