--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,220 @@
+<?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\Component\HttpKernel;
+
+use Symfony\Component\HttpKernel\Controller\ControllerResolverInterface;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
+use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
+use Symfony\Component\HttpKernel\Event\GetResponseEvent;
+use Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent;
+use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
+/**
+ * HttpKernel notifies events to convert a Request object to a Response one.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+class HttpKernel implements HttpKernelInterface
+{
+    private $dispatcher;
+    private $resolver;
+
+    /**
+     * Constructor
+     *
+     * @param EventDispatcherInterface    $dispatcher An EventDispatcherInterface instance
+     * @param ControllerResolverInterface $resolver   A ControllerResolverInterface instance
+     *
+     * @api
+     */
+    public function __construct(EventDispatcherInterface $dispatcher, ControllerResolverInterface $resolver)
+    {
+        $this->dispatcher = $dispatcher;
+        $this->resolver = $resolver;
+    }
+
+    /**
+     * Handles a Request to convert it to a Response.
+     *
+     * When $catch is true, the implementation must catch all exceptions
+     * and do its best to convert them to a Response instance.
+     *
+     * @param  Request $request A Request instance
+     * @param  integer $type    The type of the request
+     *                          (one of HttpKernelInterface::MASTER_REQUEST or HttpKernelInterface::SUB_REQUEST)
+     * @param  Boolean $catch   Whether to catch exceptions or not
+     *
+     * @return Response A Response instance
+     *
+     * @throws \Exception When an Exception occurs during processing
+     *
+     * @api
+     */
+    public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true)
+    {
+        try {
+            return $this->handleRaw($request, $type);
+        } catch (\Exception $e) {
+            if (false === $catch) {
+                throw $e;
+            }
+
+            return $this->handleException($e, $request, $type);
+        }
+    }
+
+    /**
+     * Handles a request to convert it to a response.
+     *
+     * Exceptions are not caught.
+     *
+     * @param Request $request A Request instance
+     * @param integer $type    The type of the request (one of HttpKernelInterface::MASTER_REQUEST or HttpKernelInterface::SUB_REQUEST)
+     *
+     * @return Response A Response instance
+     *
+     * @throws \LogicException If one of the listener does not behave as expected
+     * @throws NotFoundHttpException When controller cannot be found
+     */
+    private function handleRaw(Request $request, $type = self::MASTER_REQUEST)
+    {
+        // request
+        $event = new GetResponseEvent($this, $request, $type);
+        $this->dispatcher->dispatch(KernelEvents::REQUEST, $event);
+
+        if ($event->hasResponse()) {
+            return $this->filterResponse($event->getResponse(), $request, $type);
+        }
+
+        // load controller
+        if (false === $controller = $this->resolver->getController($request)) {
+            throw new NotFoundHttpException(sprintf('Unable to find the controller for path "%s". Maybe you forgot to add the matching route in your routing configuration?', $request->getPathInfo()));
+        }
+
+        $event = new FilterControllerEvent($this, $controller, $request, $type);
+        $this->dispatcher->dispatch(KernelEvents::CONTROLLER, $event);
+        $controller = $event->getController();
+
+        // controller arguments
+        $arguments = $this->resolver->getArguments($request, $controller);
+
+        // call controller
+        $response = call_user_func_array($controller, $arguments);
+
+        // view
+        if (!$response instanceof Response) {
+            $event = new GetResponseForControllerResultEvent($this, $request, $type, $response);
+            $this->dispatcher->dispatch(KernelEvents::VIEW, $event);
+
+            if ($event->hasResponse()) {
+                $response = $event->getResponse();
+            }
+
+            if (!$response instanceof Response) {
+                $msg = sprintf('The controller must return a response (%s given).', $this->varToString($response));
+
+                // the user may have forgotten to return something
+                if (null === $response) {
+                    $msg .= ' Did you forget to add a return statement somewhere in your controller?';
+                }
+                throw new \LogicException($msg);
+            }
+        }
+
+        return $this->filterResponse($response, $request, $type);
+    }
+
+    /**
+     * Filters a response object.
+     *
+     * @param Response $response A Response instance
+     * @param Request  $request  A error message in case the response is not a Response object
+     * @param integer  $type     The type of the request (one of HttpKernelInterface::MASTER_REQUEST or HttpKernelInterface::SUB_REQUEST)
+     *
+     * @return Response The filtered Response instance
+     *
+     * @throws \RuntimeException if the passed object is not a Response instance
+     */
+    private function filterResponse(Response $response, Request $request, $type)
+    {
+        $event = new FilterResponseEvent($this, $request, $type, $response);
+
+        $this->dispatcher->dispatch(KernelEvents::RESPONSE, $event);
+
+        return $event->getResponse();
+    }
+
+    /**
+     * Handles and exception by trying to convert it to a Response.
+     *
+     * @param  \Exception $e       An \Exception instance
+     * @param  Request    $request A Request instance
+     * @param  integer    $type    The type of the request
+     *
+     * @return Response A Response instance
+     */
+    private function handleException(\Exception $e, $request, $type)
+    {
+        $event = new GetResponseForExceptionEvent($this, $request, $type, $e);
+        $this->dispatcher->dispatch(KernelEvents::EXCEPTION, $event);
+
+        if (!$event->hasResponse()) {
+            throw $e;
+        }
+
+        try {
+            return $this->filterResponse($event->getResponse(), $request, $type);
+        } catch (\Exception $e) {
+            return $event->getResponse();
+        }
+    }
+
+    private function varToString($var)
+    {
+        if (is_object($var)) {
+            return sprintf('Object(%s)', get_class($var));
+        }
+
+        if (is_array($var)) {
+            $a = array();
+            foreach ($var as $k => $v) {
+                $a[] = sprintf('%s => %s', $k, $this->varToString($v));
+            }
+
+            return sprintf("Array(%s)", implode(', ', $a));
+        }
+
+        if (is_resource($var)) {
+            return sprintf('Resource(%s)', get_resource_type($var));
+        }
+
+        if (null === $var) {
+            return 'null';
+        }
+
+        if (false === $var) {
+            return 'false';
+        }
+
+        if (true === $var) {
+            return 'true';
+        }
+
+        return (string) $var;
+    }
+}