Chris@0: Chris@0: *
  • Returns static::DENY if any of the rules evaluated to static::DENY
  • Chris@0: *
  • Otherwise returns NULL
  • Chris@0: * Chris@0: */ Chris@0: class ChainResponsePolicy implements ChainResponsePolicyInterface { Chris@0: Chris@0: /** Chris@0: * A list of policy rules to apply when this policy is checked. Chris@0: * Chris@0: * @var \Drupal\Core\PageCache\ResponsePolicyInterface[] Chris@0: */ Chris@0: protected $rules = []; Chris@0: Chris@0: /** Chris@0: * {@inheritdoc} Chris@0: */ Chris@0: public function check(Response $response, Request $request) { Chris@0: foreach ($this->rules as $rule) { Chris@0: $result = $rule->check($response, $request); Chris@0: if ($result === static::DENY) { Chris@0: return $result; Chris@0: } Chris@0: elseif (isset($result)) { Chris@0: throw new \UnexpectedValueException('Return value of ResponsePolicyInterface::check() must be one of ResponsePolicyInterface::DENY or NULL'); Chris@0: } Chris@0: } Chris@0: } Chris@0: Chris@0: /** Chris@0: * {@inheritdoc} Chris@0: */ Chris@0: public function addPolicy(ResponsePolicyInterface $policy) { Chris@0: $this->rules[] = $policy; Chris@0: return $this; Chris@0: } Chris@0: Chris@0: }