vendor/symfony/src/Symfony/Bundle/FrameworkBundle/Controller/ControllerNameParser.php
changeset 0 7f95f8617b0b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Bundle/FrameworkBundle/Controller/ControllerNameParser.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,88 @@
+<?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;
+use Symfony\Component\HttpKernel\Log\LoggerInterface;
+
+/**
+ * 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 $controller A short notation controller (a:b:c)
+     *
+     * @param string A controller (class::method)
+     */
+    public function parse($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;
+        $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);
+    }
+}