PathBasedBreadcrumbBuilder::getRequestForPath

protected PathBasedBreadcrumbBuilder::getRequestForPath($path, array $exclude)

protected function getRequestForPath($path, array $exclude) {
  if (!empty($exclude[$path])) {
    return NULL;
  }
  // @todo Use the RequestHelper once https://www.drupal.org/node/2090293 is
  //   fixed.
  $request = Request::create($path);
  // Performance optimization: set a short accept header to reduce overhead in
  // AcceptHeaderMatcher when matching the request.
  $request->headers->set('Accept', 'text/html');
  // Find the system path by resolving aliases, language prefix, etc.
  $processed = $this->pathProcessor->processInbound($path, $request);
  if (empty($processed) || !empty($exclude[$processed])) {
    // This resolves to the front page, which we already add.
    return NULL;
  }
  $this->currentPath->setPath($processed, $request);
  // Attempt to match this path to provide a fully built request.
  try {
    $request->attributes->add($this->router->matchRequest($request));
    return $request;
  }
  catch (ParamNotConvertedException $e) {
    return NULL;
  }
  catch (ResourceNotFoundException $e) {
    return NULL;
  }
  catch (MethodNotAllowedException $e) {
    return NULL;
  }
  catch (AccessDeniedHttpException $e) {
    return NULL;
  }
}