Lit\Nimo\Handlers\CallableHandler

Complexity

Total Complexity

5

Size/Duplication

Total Lines	29
Duplicated Lines	0 %

Test Coverage

Coverage

90%

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	3	1
A	wrap()	0	11	3
A	main()	0	3	1

<?php

declare(strict_types=1);

namespace Lit\Nimo\Handlers;

use Psr\Http\Message\ResponseInterface;
use Psr\Http\Server\RequestHandlerInterface;

/**
 * Converts a callback to a RequestHandlerInterface
 */
class CallableHandler extends AbstractHandler
{
    /**
     * @var callable
     */
    protected $callable;

    public function __construct(callable $callable)
    {
        $this->callable = $callable;
    }

    public static function wrap($handler): RequestHandlerInterface
    {
        if ($handler instanceof RequestHandlerInterface) {
            return $handler;
        }
        if (is_callable($handler)) {
            return new self($handler);
        }

        // @codeCoverageIgnoreStart
        throw new \InvalidArgumentException('$handler must be a valid handler');
        // @codeCoverageIgnoreEnd
    }

    protected function main(): ResponseInterface
    {
        return call_user_func($this->callable, $this->request);
    }
}