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<?php
/**
* Project: 4SEO
*
* @package 4SEO
* @copyright Copyright Weeblr llc - 2020-2024
* @author Yannick Gaultier - Weeblr llc
* @license GNU General Public License version 3; see LICENSE.md
* @version 6.2.0.2478
* @date 2024-10-03
*/
namespace Weeblr\Forseo\Platform;
use Weeblr\Wblib\Forseo\Base;
use Weeblr\Wblib\Forseo\System;
use Joomla\CMS\Factory;
use Joomla\CMS\Event as PlatformEvent;
use Joomla\Event;
// no direct access
defined('_JEXEC') || defined('WBLIB_EXEC') || die;
/**
* Intercepts errors on Joomla 4. init method only called on the frontend.
*
* @package Weeblr\Forseo\Platform
*/
class Errorhandlerjdefault extends Base\Base implements Event\SubscriberInterface, Event\DispatcherAwareInterface
{
use Event\DispatcherAwareTrait;
/**
* @var callable The upstream error handler, shared with all Joomla versions.
*/
private $appHandler = null;
/**
* Loads up the Joomla 4 application dispatcher.
*
* @throws \Exception
*/
public function __construct()
{
// Use a dedicated dispatcher
$this->setDispatcher(
Factory::getApplication()->getDispatcher()
);
}
/**
* Hooks up with Joomla 4 event dispatching to intercept 404 errors.
*
* @param callable $appHandler
*/
public function init($appHandler)
{
$this->appHandler = $appHandler;
// register for onError event
$this->getDispatcher()->addSubscriber($this);
}
public static function getSubscribedEvents(): array
{
return [
'onError' => ['handleError', Event\Priority::MAX],
];
}
/**
* Joomla 4+ wrapper around error handling. Calls 4SEO error handler
* and pass-thru to previous Joomla error handler if 4SEO should not handle.
*
* @param PlatformEvent\ErrorEvent $event The event object
*
*/
public function handleError(PlatformEvent\ErrorEvent $event)
{
// pass on to 4SEO: if handled, it won't return.
call_user_func_array(
$this->appHandler,
[$event->getError()]
);
}
}