__ __ __ __ _____ _ _ _____ _ _ _
| \/ | \ \ / / | __ \ (_) | | / ____| | | | |
| \ / |_ __\ V / | |__) | __ ___ ____ _| |_ ___ | (___ | |__ ___| | |
| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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<?php
declare(strict_types=1);
/*
* This file is part of Badcow DNS Library.
*
* (c) Samuel Williams <sam@badcow.co>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Badcow\DNS\Edns\Option;
class Factory
{
/**
* Creates a new Option object from a name.
*
* @throws UnsupportedOptionException
*/
public static function newOptionFromName(string $name): OptionInterface
{
if (!self::isOptionImplemented($name)) {
throw new UnsupportedOptionException($name);
}
$className = self::getOptionClassName($name);
$optionInterface = new $className();
if (!$optionInterface instanceof OptionInterface) {
throw new \UnexpectedValueException(sprintf('Badcow\DNS\Edns\Option expected; "%s" instantiated.', gettype($optionInterface)));
}
return $optionInterface;
}
/**
* @throws UnsupportedOptionException
*/
public static function newOptionFromId(int $id): OptionInterface
{
return self::newOptionFromName(Codes::getName($id));
}
public static function isOptionImplemented(string $name): bool
{
return class_exists(self::getOptionClassName($name));
}
public static function isOptionCodeImplemented(int $optionCode): bool
{
try {
return self::isOptionImplemented(Codes::getName($optionCode));
} catch (UnsupportedOptionException $e) {
return false;
}
}
/**
* Get the fully qualified class name of the Option class for $option.
*/
public static function getOptionClassName(string $option): string
{
return __NAMESPACE__.'\\'.strtoupper($option);
}
}