<?php
/**
* This file is part of the ramsey/uuid library
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @copyright Copyright (c) Ben Ramsey <[email protected]>
* @license http://opensource.org/licenses/MIT MIT
*/
declare(strict_types=1);
namespace Ramsey\Uuid\Builder;
use Ramsey\Uuid\Codec\CodecInterface;
use Ramsey\Uuid\Exception\BuilderNotFoundException;
use Ramsey\Uuid\Exception\UnableToBuildUuidException;
use Ramsey\Uuid\UuidInterface;
/**
* FallbackBuilder builds a UUID by stepping through a list of UUID builders
* until a UUID can be constructed without exceptions
*
* @psalm-immutable
*/
class FallbackBuilder implements UuidBuilderInterface
{
/**
* @var BuilderCollection
*/
private $builders;
/**
* @param BuilderCollection $builders An array of UUID builders
*/
public function __construct(BuilderCollection $builders)
{
$this->builders = $builders;
}
/**
* Builds and returns a UuidInterface instance using the first builder that
* succeeds
*
* @param CodecInterface $codec The codec to use for building this instance
* @param string $bytes The byte string from which to construct a UUID
*
* @return UuidInterface an instance of a UUID object
*
* @psalm-pure
*/
public function build(CodecInterface $codec, string $bytes): UuidInterface
{
$lastBuilderException = null;
/** @var UuidBuilderInterface $builder */
foreach ($this->builders as $builder) {
try {
return $builder->build($codec, $bytes);
} catch (UnableToBuildUuidException $exception) {
$lastBuilderException = $exception;
continue;
}
}
throw new BuilderNotFoundException(
'Could not find a suitable builder for the provided codec and fields',
0,
$lastBuilderException
);
}
}