public function newAction(Request $request)
    {
        $securityContext = $this->container->get('security.context');
        $user = $securityContext->getToken()->getUser();

        $log = new Log(array('user'=>$user));

        $form = $this->createForm(new BasicLogType(), $log);

        if ($request->getMethod() == 'POST') {
          $form->bindRequest($request);

            if ($form->isValid()) {
                $dm = $this->get('doctrine.odm.mongodb.document_manager');
                $dm->persist($log->getFullimage());         /// HERE get_class($log->getFullimage) is of type ...\Image
                $dm->persist($log);

                $dm->flush();

              return $this->redirect($this->generateUrl('_list'));
            }
        }


        return $this->render('VFLLogBundle:Default:new.html.twig', array(
            'form' => $form->createView(),
        ));
    }


    public function fullimageAction($id)
    {
        $dm = $this->get('doctrine.odm.mongodb.document_manager');
        $log = $this->get('doctrine.odm.mongodb.document_manager')
                    ->getRepository('VFLLogBundle:Log')->find($id);

        $response = new Response();

        $image = $log->getFullimage();    // HERE it is of type DefaultController
        $response->setContent('$image is of type: ' . get_class($image));
        if ('GridFSFile' == get_class($image) && 0 < $image->getSize())
        {
            $response->setContent($image->getBytes());
            $response->setStatusCode(200);
            $response->headers->set('Content-Type', 'image/jpg');
        }

        return $response;
    }