Northwoods\Middleware\LazyHandler

Complexity

Total Complexity

4

Size/Duplication

Total Lines	27
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	8	2
A	handle()	0	3	1
A	resolve()	0	3	1

<?php
declare(strict_types=1);

namespace Northwoods\Middleware;

use InvalidArgumentException;
use Psr\Container\ContainerInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\RequestHandlerInterface;
use function sprintf;

class LazyHandler implements RequestHandlerInterface
{
    /** @var ContainerInterface */
    private $container;

    /** @var string */
    private $handler;

    public function __construct(ContainerInterface $container, string $handler)
    {
        if ($container->has($handler) === false) {
            throw new InvalidArgumentException(sprintf('Container is missing handler "%s"', $handler));
        }

        $this->container = $container;
        $this->handler = $handler;
    }

    // RequestHandlerInterface
    public function handle(ServerRequestInterface $request): ResponseInterface
    {
        return $this->resolve()->handle($request);
    }

    private function resolve(): RequestHandlerInterface
    {
        return $this->container->get($this->handler);
    }
}