Yiisoft\Factory\Definitions\ClassDefinition

Complexity

Total Complexity

13

Size/Duplication

Total Lines	75
Duplicated Lines	0 %

Test Coverage

Coverage

46.88%

Importance

Changes	1
Bugs	0	Features	0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	getType()	0	3	1
A	resolveUnionType()	0	23	5
A	resolve()	0	19	5
A	isUnionType()	0	3	1

<?php

declare(strict_types=1);

namespace Yiisoft\Factory\Definitions;

use Psr\Container\ContainerInterface;
use Yiisoft\Factory\Exceptions\InvalidConfigException;

/**
 * Reference points to a class name in the container
 */
class ClassDefinition implements DefinitionInterface
{
    private string $class;
    private bool $optional;

    /**
     * Constructor.
     * @param string $class the class name
     * @param bool $optional if null should be returned instead of throwing an exception
     */
    public function __construct(string $class, bool $optional)
    {
        $this->class = $class;
        $this->optional = $optional;
    }

    public function getType(): string
    {
        return $this->class;
    }

    public function resolve(ContainerInterface $container)
    {
        if ($this->isUnionType()) {
            return $this->resolveUnionType($container);
        }

        try {
            $result = $container->get($this->class);
        } catch (\Throwable $t) {
            if ($this->optional) {
                return null;
            }
            throw $t;
        }

        if (!$result instanceof $this->class) {
            throw new InvalidConfigException('Container returned incorrect type for service ' . $this->class);
        }
        return $result;
    }

    /**
     * @param ContainerInterface $container
     * @return mixed
     * @throws \Throwable
     */
    private function resolveUnionType(ContainerInterface $container)
    {
        $types = explode('|', $this->class);

        $error = null;

        foreach ($types as $type) {
            try {
                $result = $container->get($type);
                if (!$result instanceof $type) {
                    throw new InvalidConfigException('Container returned incorrect type for service ' . $type);
                }
                return $result;
            } catch (\Throwable $t) {
                $error = $t;
            }
        }

        if ($this->optional) {
            return null;
        }

        throw $error;
    }

    private function isUnionType(): bool
    {
        return strpos($this->class, '|') !== false;
    }
}