diff core/modules/hal/src/LinkManager/LinkManagerBase.php @ 0:c75dbcec494b

Initial commit from drush-created site

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/hal/src/LinkManager/LinkManagerBase.php	Thu Jul 05 14:24:15 2018 +0000
@@ -0,0 +1,75 @@
+<?php
+
+namespace Drupal\hal\LinkManager;
+
+use Drupal\serialization\Normalizer\CacheableNormalizerInterface;
+
+/**
+ * Defines an abstract base-class for HAL link manager objects.
+ */
+abstract class LinkManagerBase {
+
+  /**
+   * Link domain used for type links URIs.
+   *
+   * @var string
+   */
+  protected $linkDomain;
+
+  /**
+   * Config factory service.
+   *
+   * @var \Drupal\Core\Config\ConfigFactoryInterface
+   */
+  protected $configFactory;
+
+  /**
+   * The request stack.
+   *
+   * @var \Symfony\Component\HttpFoundation\RequestStack
+   */
+  protected $requestStack;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setLinkDomain($domain) {
+    $this->linkDomain = rtrim($domain, '/');
+    return $this;
+  }
+
+  /**
+   * Gets the link domain.
+   *
+   * @param array $context
+   *   Normalization/serialization context.
+   *
+   * @return string
+   *   The link domain.
+   *
+   * @see \Symfony\Component\Serializer\Normalizer\NormalizerInterface::normalize()
+   * @see \Symfony\Component\Serializer\SerializerInterface::serialize()
+   * @see \Drupal\serialization\Normalizer\CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY
+   */
+  protected function getLinkDomain(array $context = []) {
+    if (empty($this->linkDomain)) {
+      if ($domain = $this->configFactory->get('hal.settings')->get('link_domain')) {
+        // Bubble the appropriate cacheability metadata whenever possible.
+        if (isset($context[CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY])) {
+          $context[CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY]->addCacheableDependency($this->configFactory->get('hal.settings'));
+        }
+        return rtrim($domain, '/');
+      }
+      else {
+        // Bubble the relevant cacheability metadata whenever possible.
+        if (isset($context[CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY])) {
+          $context[CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY]->addCacheContexts(['url.site']);
+        }
+        $request = $this->requestStack->getCurrentRequest();
+        return $request->getSchemeAndHttpHost() . $request->getBasePath();
+      }
+    }
+    return $this->linkDomain;
+  }
+
+}