Create an abstract HTTP transport and extend it in all HTTP transports

Author: bocharsky-bw

Transport/Http/AbstractHttpTransport.php

@@ -0,0 +1,42 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Mailer\Transport\Http;
+
+use Psr\Log\LoggerInterface;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use Symfony\Component\HttpClient\HttpClient;
+use Symfony\Component\Mailer\Transport\AbstractTransport;
+use Symfony\Contracts\HttpClient\HttpClientInterface;
+
+/**
+ * @author Victor Bocharsky <victor@symfonycasts.com>
+ *
+ * @experimental in 4.3
+ */
+abstract class AbstractHttpTransport extends AbstractTransport
+{
+    protected $client;
+
+    public function __construct(HttpClientInterface $client = null, EventDispatcherInterface $dispatcher = null, LoggerInterface $logger = null)
+    {
+        $this->client = $client;
+        if (null === $client) {
+            if (!class_exists(HttpClient::class)) {
+                throw new \LogicException(sprintf('You cannot use "%s" as the HttpClient component is not installed. Try running "composer require symfony/http-client".', __CLASS__));
+            }
+
+            $this->client = HttpClient::create();
+        }
+
+        parent::__construct($dispatcher, $logger);
+    }
+}