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Editing: AbstractHttpTransport.php

<?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;

use Psr\EventDispatcher\EventDispatcherInterface;
use Psr\Log\LoggerInterface;
use Symfony\Component\HttpClient\HttpClient;
use Symfony\Component\Mailer\Exception\HttpTransportException;
use Symfony\Component\Mailer\SentMessage;
use Symfony\Contracts\HttpClient\HttpClientInterface;
use Symfony\Contracts\HttpClient\ResponseInterface;

/**
 * @author Victor Bocharsky <victor@symfonycasts.com>
 */
abstract class AbstractHttpTransport extends AbstractTransport
{
    protected $host;
    protected $port;
    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);
    }

/**
     * @return $this
     */
    public function setHost(?string $host): static
    {
        $this->host = $host;

return $this;
    }

/**
     * @return $this
     */
    public function setPort(?int $port): static
    {
        $this->port = $port;

return $this;
    }

abstract protected function doSendHttp(SentMessage $message): ResponseInterface;

protected function doSend(SentMessage $message): void
    {
        try {
            $response = $this->doSendHttp($message);
            $message->appendDebug($response->getInfo('debug') ?? '');
        } catch (HttpTransportException $e) {
            $e->appendDebug($e->getResponse()->getInfo('debug') ?? '');

throw $e;
        }
    }
}

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