League\Route\Middleware\MiddlewareAwareTrait

Complexity

Total Complexity

7

Size/Duplication

Total Lines	61
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Test Coverage

Coverage

94.12%

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	middleware()	0	6	1
A	middlewares()	0	8	2
A	prependMiddleware()	0	6	1
A	shiftMiddleware()	0	10	2
A	getMiddlewareStack()	0	4	1

<?php declare(strict_types=1);

namespace League\Route\Middleware;

use OutOfBoundsException;
use Psr\Http\Server\MiddlewareInterface;

trait MiddlewareAwareTrait
{
    /**
     * @var \Psr\Http\Server\MiddlewareInterface[]
     */
    protected $middleware = [];

    /**
     * {@inheritdoc}
     */
    public function middleware(MiddlewareInterface $middleware) : MiddlewareAwareInterface
    {
        $this->middleware[] = $middleware;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function middlewares(array $middlewares) : MiddlewareAwareInterface
    {
        foreach ($middlewares as $middleware) {
            $this->middleware($middleware);
        }

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function prependMiddleware(MiddlewareInterface $middleware) : MiddlewareAwareInterface
    {
        array_unshift($this->middleware, $middleware);

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function shiftMiddleware() : MiddlewareInterface
    {
        $middleware =  array_shift($this->middleware);

        if (is_null($middleware)) {
            throw new OutOfBoundsException('Reached end of middleware stack. Does your controller return a response?');
        }

        return $middleware;
    }

    /**
     * {@inheritdoc}
     */
    public function getMiddlewareStack() : iterable
    {
        return $this->middleware;
    }
}