jschreuder\Middle\Delegate

Complexity

Total Complexity

3

Size/Duplication

Total Lines	21
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	process()	0	10	2

<?php declare(strict_types = 1);

namespace jschreuder\Middle;

use Interop\Http\Middleware\DelegateInterface;
use Interop\Http\Middleware\MiddlewareInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

final class Delegate implements DelegateInterface
{
    /** @var  \SplStack */
    private $stack;

    public function __construct(\SplStack $stack)
    {
        $this->stack = $stack;
    }

    public function process(RequestInterface $request) : ResponseInterface
    {
        if ($this->stack->count() === 0) {
            throw new \RuntimeException('No more middleware\'s to call on.');
        }

        /** @var  MiddlewareInterface $next */
        $next = $this->stack->pop();
        return $next->process($request, $this);
    }
}