Yiisoft\Validator\SimpleRuleHandlerContainer

Complexity

Total Complexity

6

Size/Duplication

Total Lines	29
Duplicated Lines	0 %

Test Coverage

Coverage

83.33%

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	resolve()	0	21	5
A	__construct()	0	2	1

<?php

declare(strict_types=1);

namespace Yiisoft\Validator;

use Error;

This use statement conflicts with another class in this namespace, Yiisoft\Validator\Error. Consider defining an alias.

use InvalidArgumentException;
use Yiisoft\Translator\TranslatorInterface;
use Yiisoft\Validator\Exception\RuleHandlerInterfaceNotImplementedException;
use Yiisoft\Validator\Exception\RuleHandlerNotFoundException;

use function array_key_exists;

final class SimpleRuleHandlerContainer implements RuleHandlerResolverInterface
{
    private array $instances = [];

    public function __construct(private TranslatorInterface $translator)
    {
    }

    public function resolve(string $className): RuleHandlerInterface
    {
        if (!class_exists($className)) {
            throw new RuleHandlerNotFoundException($className);
        }

        if (array_key_exists($className, $this->instances)) {
            return $this->instances[$className];
        }

        try {
            $classInstance = new $className(translator: $this->translator);
        } catch (Error) {
            throw new InvalidArgumentException("The rule handler $className doesn't have a tranlator.");
        }

        if (!$classInstance instanceof RuleHandlerInterface) {
            throw new RuleHandlerInterfaceNotImplementedException($className);
        }

        return $this->instances[$className] = $classInstance;
    }
}