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<?php
/*
* This file is part of the Symfony package.
*
* (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 Symfony\Bundle\FrameworkBundle\Controller;
use Symfony\Component\HttpKernel\KernelInterface;
/**
* ControllerNameParser converts controller from the short notation a:b:c
* (BlogBundle:Post:index) to a fully-qualified class::method string
* (Bundle\BlogBundle\Controller\PostController::indexAction).
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class ControllerNameParser
{
protected $kernel;
/**
* Constructor.
*
* @param KernelInterface $kernel A KernelInterface instance
*/
public function __construct(KernelInterface $kernel)
{
$this->kernel = $kernel;
}
/**
* Converts a short notation a:b:c to a class::method.
*
* @param string $controller A short notation controller (a:b:c)
*/
public function parse($controller)
{
if (3 != count($parts = explode(':', $controller))) {
throw new \InvalidArgumentException(sprintf('The "%s" controller is not a valid a:b:c controller string.', $controller));
}
list($bundle, $controller, $action) = $parts;
$controller = str_replace('/', '\\', $controller);
$class = null;
$logs = array();
foreach ($this->kernel->getBundle($bundle, false) as $b) {
$try = $b->getNamespace().'\\Controller\\'.$controller.'Controller';
if (!class_exists($try)) {
$logs[] = sprintf('Unable to find controller "%s:%s" - class "%s" does not exist.', $bundle, $controller, $try);
} else {
$class = $try;
break;
}
}
if (null === $class) {
$this->handleControllerNotFoundException($bundle, $controller, $logs);
}
return $class.'::'.$action.'Action';
}
private function handleControllerNotFoundException($bundle, $controller, array $logs)
{
// just one log, return it as the exception
if (1 == count($logs)) {
throw new \InvalidArgumentException($logs[0]);
}
// many logs, use a message that mentions each searched bundle
$names = array();
foreach ($this->kernel->getBundle($bundle, false) as $b) {
$names[] = $b->getName();
}
$msg = sprintf('Unable to find controller "%s:%s" in bundles %s.', $bundle, $controller, implode(', ', $names));
throw new \InvalidArgumentException($msg);
}
}
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