PHP JsonResponse::setExpires方法代码示例

 /**
  * Returns the rendered subtree of each top-level toolbar link.
  *
  * @return \Symfony\Component\HttpFoundation\JsonResponse
  */
 public function subtreesJsonp()
 {
     $subtrees = toolbar_get_rendered_subtrees();
     $response = new JsonResponse($subtrees);
     $response->setCallback('Drupal.toolbar.setSubtrees.resolve');
     // The Expires HTTP header is the heart of the client-side HTTP caching. The
     // additional server-side page cache only takes effect when the client
     // accesses the callback URL again (e.g., after clearing the browser cache
     // or when force-reloading a Drupal page).
     $max_age = 365 * 24 * 60 * 60;
     $response->setPrivate();
     $response->setMaxAge($max_age);
     $expires = new \DateTime();
     $expires->setTimestamp(REQUEST_TIME + $max_age);
     $response->setExpires($expires);
     return $response;
 }

 /**
  * 
  * @Route("/{_locale}/{_code}/statistics/{dataset}.json", requirements={"_locale" = "de|en|es|fr", "_code" = "[a-zA-Z0-9]{10}", "dataset" = "[a-zA-Z0-9_-]+"})
  */
 public function statisticsJsonAction($_code, $dataset, Request $request)
 {
     try {
         $context = $this->getContext($_code, 'statistics');
         $stats = new Statistics($this, $this->account);
         if (preg_match('!^wallet-([0-9]+)$!', $dataset, $m)) {
             $method = 'getDatasetWallet';
             if (method_exists($stats, $method)) {
                 $data = $stats->{$method}($m[1]);
                 if (!empty($data)) {
                     $response = new JsonResponse($data);
                 }
             }
         } else {
             $method = 'getDataset' . $dataset;
             if (method_exists($stats, $method)) {
                 $response = new JsonResponse($stats->{$method}());
             }
         }
         if (isset($response)) {
             $response->setMaxAge(900);
             $response->setExpires(new \DateTime('@' . (time() + 900)));
             $response->setPublic();
             return $response;
         }
     } catch (\Exception $ex) {
         return new JsonResponse(['error' => $ex->getMessage()]);
     }
 }

 /**
  * @param Request $request
  * @param mixed   $data
  *
  * @return JsonResponse
  */
 protected function getJsonResponse(Request $request, $data = null)
 {
     $date = new \DateTime();
     $date->modify('+1 day');
     $response = new JsonResponse($data);
     $response->setExpires($date);
     $response->setETag(md5($response->getContent()));
     $response->setPublic();
     $response->isNotModified($request);
     $response->headers->set('X-Proudly-Crafted-By', "LesPolypodes.com");
     // It's nerdy, I know that.
     return $response;
 }

 /**
  * @Route("/create", name="api_create")
  */
 public function createAction(Request $request)
 {
     if ($this->container->getParameter('secret') != $request->query->get('secret')) {
         return new JsonResponse(['error' => 'Invalid Secret']);
     }
     // Create Short Code
     $url = $request->query->get('url');
     $code = $request->query->get('code', null);
     $shortUrl = $this->get('short_url')->create($url, $code);
     $response = new JsonResponse(['short_url' => $this->get('short_url')->shortUrl($shortUrl)]);
     $response->setPublic();
     $response->setExpires(new DateTime('+1 day'));
     return $response;
 }

 public function getListAction(Application $app)
 {
     $userList = $this->repository->findAll();
     $date = new \DateTime();
     $date->modify('+' . self::MAX_AGE . ' seconds');
     $response = new JsonResponse($userList, JsonResponse::HTTP_OK);
     $responseHash = sha1($response->getContent());
     $response->setMaxAge(self::MAX_AGE);
     $response->setSharedMaxAge(self::MAX_AGE);
     $response->setExpires($date);
     $response->setETag($responseHash);
     $response->isNotModified($app['request']);
     return $response;
 }

 /**
  * @Route("/api/data", name="public_edk_registration_data", defaults={"_localeFromQuery" = true})
  */
 public function registrationsAction(Request $request)
 {
     try {
         $repository = $this->get('wio.edk.repo.published_data');
         $registrations = $repository->getOpenRegistrations($this->project, $this->getProjectSettings()->get(EdkSettings::PUBLISHED_AREA_STATUS)->getValue());
         $response = new JsonResponse($registrations);
         $response->setDate(new DateTime());
         $exp = new DateTime();
         $exp->add(new DateInterval('PT0H5M0S'));
         $response->setExpires($exp);
         return $response;
     } catch (ItemNotFoundException $exception) {
         return new JsonResponse(['success' => 0]);
     }
 }

 protected function respondWithArray($content = [], $status = 200, array $headers = [])
 {
     $response = new JsonResponse($content, $status, $headers);
     $response->setExpires(new \DateTime('1924-10-10 12:00:00 UTC'));
     $response->headers->addCacheControlDirective('no-cache', true);
     $response->headers->addCacheControlDirective('private', true);
     return $response;
 }