[HttpKernel] moved exception management logic to its own method

src/Symfony/Component/HttpKernel/HttpKernel.php

@@ -58,23 +58,14 @@ class HttpKernel implements HttpKernelInterface
     public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true)
     {
         try {
-            $response = $this->handleRaw($request, $type);
+            return $this->handleRaw($request, $type);
         } catch (\Exception $e) {
             if (false === $catch) {
                 throw $e;
             }
 
-            // exception
-            $event = new Event($this, 'core.exception', array('request_type' => $type, 'request' => $request, 'exception' => $e));
-            $response = $this->dispatcher->notifyUntil($event);
-            if (!$event->isProcessed()) {
-                throw $e;
-            }
-
-            $response = $this->filterResponse($response, $request, 'A "core.exception" listener returned a non response object.', $type);
+            return $this->handleException($e, $request, $type);
         }
-
-        return $response;
     }
 
     /**
@@ -156,6 +147,26 @@ class HttpKernel implements HttpKernelInterface
         return $response;
     }
 
+    /**
+     * 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
+     */
+    protected function handleException(\Exception $e, $request, $type)
+    {
+        $event = new Event($this, 'core.exception', array('request_type' => $type, 'request' => $request, 'exception' => $e));
+        $response = $this->dispatcher->notifyUntil($event);
+        if (!$event->isProcessed()) {
+            throw $e;
+        }
+
+        return $this->filterResponse($response, $request, 'A "core.exception" listener returned a non response object.', $type);
+    }
+
     protected function varToString($var)
     {
         if (is_object($var)) {