72 lines
2.1 KiB
PHP
72 lines
2.1 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; under version 2
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* of the License (non-upgradable).
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright (c) 2021 (original work) Open Assessment Technologies SA;
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*/
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declare(strict_types=1);
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namespace oat\tao\model\Context;
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use InvalidArgumentException;
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abstract class AbstractContext implements ContextInterface
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{
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protected $parameters = [];
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public function __construct(array $parameters)
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{
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foreach ($parameters as $parameter => $parameterValue) {
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$this->setParameter($parameter, $parameterValue);
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}
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}
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public function getParameter(string $parameter, $default = null)
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{
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$this->checkParameterSupport($parameter);
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return $this->parameters[$parameter] ?? $default;
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}
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public function setParameter(string $parameter, $parameterValue): void
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{
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$this->checkParameterSupport($parameter);
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$this->validateParameter($parameter, $parameterValue);
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$this->parameters[$parameter] = $parameterValue;
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}
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abstract protected function getSupportedParameters(): array;
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/**
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* @param mixed $parameterValue
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*/
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abstract protected function validateParameter(string $parameter, $parameterValue): void;
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private function checkParameterSupport(string $parameter): void
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{
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if (!in_array($parameter, $this->getSupportedParameters(), true)) {
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throw new InvalidArgumentException(
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sprintf(
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'Context parameter %s is not supported.',
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$parameter
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)
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);
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}
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}
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}
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