<?php
declare(strict_types=1);
/*
* The MIT License (MIT)
*
* Copyright (c) 2014-2018 Spomky-Labs
*
* This software may be modified and distributed under the terms
* of the MIT license. See the LICENSE file for details.
*/
namespace Jose\Component\Core;
class AlgorithmManagerFactory
{
/**
* @var array
*/
private $algorithms = [];
/**
* Adds an algorithm.
*
* Each algorithm is identified by an alias hence it is allowed to have the same algorithm twice (or more).
* This can be helpful when an algorithm have several configuration options.
*
* @return AlgorithmManagerFactory
*/
public function add(string $alias, Algorithm $algorithm): self
{
$this->algorithms[$alias] = $algorithm;
return $this;
}
/**
* Returns the list of aliases.
*
* @return string[]
*/
public function aliases(): array
{
return \array_keys($this->algorithms);
}
/**
* Returns all algorithms supported by this factory.
* This is an associative array. Keys are the aliases of the algorithms.
*
* @return Algorithm[]
*/
public function all(): array
{
return $this->algorithms;
}
/**
* Create an algorithm manager using the given aliases.
*
* @param string[] $aliases
*/
public function create(array $aliases): AlgorithmManager
{
$algorithms = [];
foreach ($aliases as $alias) {
if (\array_key_exists($alias, $this->algorithms)) {
$algorithms[] = $this->algorithms[$alias];
} else {
throw new \InvalidArgumentException(\sprintf('The algorithm with the alias "%s" is not supported.', $alias));
}
}
return AlgorithmManager::create($algorithms);
}
}