Version 1

[yaffs-website] / web / core / lib / Drupal / Core / PathProcessor / PathProcessorFront.php

diff --git a/web/core/lib/Drupal/Core/PathProcessor/PathProcessorFront.php b/web/core/lib/Drupal/Core/PathProcessor/PathProcessorFront.php
new file mode 100644 (file)
index 0000000..94ff118
--- /dev/null
+++ b/web/core/lib/Drupal/Core/PathProcessor/PathProcessorFront.php
@@ -0,0 +1,60 @@
+<?php
+
+namespace Drupal\Core\PathProcessor;
+
+use Drupal\Core\Config\ConfigFactoryInterface;
+use Drupal\Core\Render\BubbleableMetadata;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+
+/**
+ * Processes the inbound path by resolving it to the front page if empty.
+ *
+ * @todo - remove ::processOutbound() when we remove UrlGenerator::fromPath().
+ */
+class PathProcessorFront implements InboundPathProcessorInterface, OutboundPathProcessorInterface {
+
+  /**
+   * A config factory for retrieving required config settings.
+   *
+   * @var \Drupal\Core\Config\ConfigFactoryInterface
+   */
+  protected $config;
+
+  /**
+   * Constructs a PathProcessorFront object.
+   *
+   * @param \Drupal\Core\Config\ConfigFactoryInterface $config
+   *   A config factory for retrieving the site front page configuration.
+   */
+  public function __construct(ConfigFactoryInterface $config) {
+    $this->config = $config;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function processInbound($path, Request $request) {
+    if ($path === '/') {
+      $path = $this->config->get('system.site')->get('page.front');
+      if (empty($path)) {
+        // We have to return a valid path but / won't be routable and config
+        // might be broken so stop execution.
+        throw new NotFoundHttpException();
+      }
+    }
+    return $path;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function processOutbound($path, &$options = [], Request $request = NULL, BubbleableMetadata $bubbleable_metadata = NULL) {
+    // The special path '<front>' links to the default front page.
+    if ($path === '/<front>') {
+      $path = '/';
+    }
+    return $path;
+  }
+
+}