League\Route\Strategy\JsonStrategy

Complexity

Total Complexity

6

Size/Duplication

Total Lines	32
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	4

Test Coverage

Coverage

100%

Importance

Changes	2
Bugs	0	Features	1

1 Method

Rating	Name	Duplication	Size	Complexity
B	dispatch()	0	26	6

<?php

namespace League\Route\Strategy;

use ArrayObject;
use League\Route\Http\Exception as HttpException;
use League\Route\Route;
use Psr\Http\Message\ResponseInterface;
use RuntimeException;

class JsonStrategy extends AbstractStrategy implements StrategyInterface
{
    /**
     * {@inheritdoc}
     */
    public function dispatch(callable $controller, array $vars, Route $route = null)
    {
        try {
            $response = call_user_func_array($controller, [
                $this->getRequest(),
                $vars
            ]);

            if (is_array($response) || $response instanceof ArrayObject) {
                $body     = json_encode($response);
                $response = $this->getResponse();

                if ($response->getBody()->isWritable()) {
                    $response->getBody()->write($body);
                }
            }

            if ($response instanceof ResponseInterface) {
                return $response->withAddedHeader('content-type', 'application/json');
            }
        } catch (HttpException $e) {
            return $e->buildJsonResponse($this->getResponse());
        }

        throw new RuntimeException('Unable to build a json response from controller return value.');
    }
}