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<?php |
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namespace Schnittstabil\Psr7\Csrf\Helpers; |
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use Psr\Http\Message\StreamInterface; |
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/** |
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* The stream factory service locator. |
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*/ |
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class StreamFactory |
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{ |
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protected static $factory; |
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/** |
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* Create a Stream. |
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* |
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* @throws \RuntimeException if no factory is set |
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* |
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* @return StreamInterface |
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*/ |
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public function __invoke() |
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{ |
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return $this->create(); |
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} |
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/** |
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* Set the stream factory. |
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* |
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* @param callable $factory the new stream factory |
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* |
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* @return callable |
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*/ |
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public static function set(callable $factory) |
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{ |
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return static::$factory = $factory; |
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} |
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/** |
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* Get a stream factory. |
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* |
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* @throws \RuntimeException if no factory is set |
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* |
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* @return callable |
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*/ |
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public static function get() |
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{ |
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if (static::$factory === null) { |
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static::$factory = static::autodetectFactory(); |
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} |
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return static::$factory; |
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} |
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/** |
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* Create a Stream. |
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* |
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* @throws \RuntimeException if no factory is set |
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* |
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* @return StreamInterface |
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*/ |
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public static function create() |
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{ |
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return call_user_func(static::get()); |
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} |
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/** |
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* Get a \Slim\Http\Stream factory. |
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* |
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* @return StreamInterface |
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*/ |
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public static function createSlimHttpStream() |
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{ |
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return new \Slim\Http\Stream(fopen('php://temp', 'r+')); |
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} |
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/** |
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* Get \Zend\Diactoros\Stream factory. |
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* |
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* @return StreamInterface |
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*/ |
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public static function createZendDiactorosStream() |
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{ |
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return new \Zend\Diactoros\Stream('php://temp', 'r+'); |
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} |
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/** |
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* Try to autodetect a stream factory. |
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* |
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* @throws \RuntimeException if no factory is found |
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* |
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* @return StreamInterface |
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*/ |
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protected static function autodetectFactory() |
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{ |
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if (class_exists('Slim\\Http\\Stream')) { |
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return [static::class, 'createSlimHttpStream']; |
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} |
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// @codeCoverageIgnoreStart |
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if (class_exists('Zend\\Diactoros\\Stream')) { |
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return [static::class, 'createZendDiactorosStream']; |
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} |
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throw new \RuntimeException('No stream factory found'); |
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// @codeCoverageIgnoreEnd |
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} |
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} |
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