MessageTrait.php

<?php declare(strict_types=1);

/*
 * This file is part of the Koded package.
 *
 * (c) Mihail Binev <mihail@kodeart.com>
 *
 * Please view the LICENSE distributed with this source code
 * for the full copyright and license information.
 *
 */

namespace Koded\Http;

use Psr\Http\Message\StreamInterface;

trait MessageTrait
{
    protected string $protocolVersion = '1.1';
    protected StreamInterface $stream;

    public function getProtocolVersion(): string
    {
        return $this->protocolVersion;
    }

    public function withProtocolVersion($version): static
    {
        if (false === \in_array($version, ['1.0', '1.1', '2'], true)) {
            throw new \InvalidArgumentException('Unsupported HTTP protocol version ' . $version);
        }
        $instance                  = clone $this;
        $instance->protocolVersion = $version;
        return $instance;
    }

    public function getBody(): StreamInterface
    {
        return $this->stream ?? create_stream(null);
    }

    public function withBody(StreamInterface $body): static
    {
        $instance         = clone $this;
        $instance->stream = $body;
        return $instance;
    }

    public function __set($name, $value)
    {
        /* NOOP */
    }
}