<?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 AlgorithmManager
{
/**
* @var array
*/
private $algorithms = [];
/**
* AlgorithmManager constructor.
*
* @param Algorithm[] $algorithms
*/
public function __construct(array $algorithms)
{
foreach ($algorithms as $algorithm) {
$this->add($algorithm);
}
}
/**
* This method creates an alogithm manager using the given algorithms.
*
* @deprecated Will be removed in v2.0. Please use constructor instead
*
* @param Algorithm[] $algorithms
*
* @return AlgorithmManager
*/
public static function create(array $algorithms): self
{
return new self($algorithms);
}
/**
* Returns true if the algorithm is supported.
*
* @param string $algorithm The algorithm
*/
public function has(string $algorithm): bool
{
return \array_key_exists($algorithm, $this->algorithms);
}
/**
* Returns the list of names of supported algorithms.
*
* @return string[]
*/
public function list(): array
{
return \array_keys($this->algorithms);
}
/**
* Returns the algorithm if supported, otherwise throw an exception.
*
* @param string $algorithm The algorithm
*/
public function get(string $algorithm): Algorithm
{
if (!$this->has($algorithm)) {
throw new \InvalidArgumentException(\sprintf('The algorithm "%s" is not supported.', $algorithm));
}
return $this->algorithms[$algorithm];
}
/**
* Adds an algorithm to the manager.
*
* @return AlgorithmManager
*/
private function add(Algorithm $algorithm): self
{
$name = $algorithm->name();
$this->algorithms[$name] = $algorithm;
return $this;
}
}