81 lines
1.7 KiB
PHP
81 lines
1.7 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2014-2020 Spomky-Labs
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*
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* This software may be modified and distributed under the terms
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* of the MIT license. See the LICENSE file for details.
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*/
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namespace Jose\Component\Core;
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use function array_key_exists;
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use InvalidArgumentException;
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class AlgorithmManager
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{
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/**
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* @var array
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*/
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private $algorithms = [];
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/**
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* @param Algorithm[] $algorithms
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*/
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public function __construct(array $algorithms)
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{
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foreach ($algorithms as $algorithm) {
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$this->add($algorithm);
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}
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}
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/**
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* Returns true if the algorithm is supported.
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*
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* @param string $algorithm The algorithm
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*/
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public function has(string $algorithm): bool
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{
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return array_key_exists($algorithm, $this->algorithms);
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}
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/**
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* Returns the list of names of supported algorithms.
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*
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* @return string[]
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*/
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public function list(): array
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{
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return array_keys($this->algorithms);
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}
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/**
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* Returns the algorithm if supported, otherwise throw an exception.
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*
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* @param string $algorithm The algorithm
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*
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* @throws InvalidArgumentException if the algorithm is not supported
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*/
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public function get(string $algorithm): Algorithm
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{
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if (!$this->has($algorithm)) {
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throw new InvalidArgumentException(sprintf('The algorithm "%s" is not supported.', $algorithm));
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}
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return $this->algorithms[$algorithm];
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}
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/**
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* Adds an algorithm to the manager.
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*/
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public function add(Algorithm $algorithm): void
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{
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$name = $algorithm->name();
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$this->algorithms[$name] = $algorithm;
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}
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}
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