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<?php |
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declare(strict_types=1); |
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namespace Buzz\Message; |
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use Buzz\Exception\InvalidArgumentException; |
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use Http\Message\ResponseFactory as HTTPlugResponseFactory; |
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use Interop\Http\Factory\ResponseFactoryInterface as InteropResponseFactory; |
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use Psr\Http\Message\ResponseInterface; |
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/** |
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* @author Tobias Nyholm <[email protected]> |
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*/ |
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class ResponseBuilder |
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{ |
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/** |
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* @var ResponseInterface |
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*/ |
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private $response; |
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/** |
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* @var null|resource |
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*/ |
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private $stream = null; |
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/** |
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* @var null|string |
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*/ |
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private $body = null; |
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private $protocolVersion; |
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private $statusCode; |
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private $reasonPhrase; |
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private $headers = []; |
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/** |
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* @param HTTPlugResponseFactory|InteropResponseFactory $responseFactory |
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*/ |
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public function __construct($responseFactory) |
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{ |
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if (!$responseFactory instanceof HTTPlugResponseFactory && !$responseFactory instanceof InteropResponseFactory) { |
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throw new InvalidArgumentException('First parameter to ResponseBuilder must be a response factory'); |
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} |
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$this->response = $responseFactory->createResponse(); |
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} |
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public function setStatus(string $input): void |
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{ |
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$parts = explode(' ', $input, 3); |
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if (count($parts) < 2 || 0 !== strpos(strtolower($parts[0]), 'http/')) { |
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throw new InvalidArgumentException(sprintf('"%s" is not a valid HTTP status line', $input)); |
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} |
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$this->response = $this->response->withStatus((int) $parts[1], isset($parts[2]) ? $parts[2] : ''); |
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$this->response = $this->response->withProtocolVersion((string) substr($parts[0], 5)); |
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} |
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/** |
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* Add a single HTTP header line. |
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* |
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* @param string $input |
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*/ |
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public function addHeader(string $input): void |
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{ |
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list($key, $value) = explode(':', $input, 2); |
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$this->response = $this->response->withAddedHeader(trim($key), trim($value)); |
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} |
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/** |
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* Add HTTP headers. The input array is all the header lines from the HTTP message. Optionally including the |
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* status line. |
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* |
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* @param array $headers |
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*/ |
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public function parseHttpHeaders(array $headers): void |
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{ |
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$statusLine = array_shift($headers); |
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try { |
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$this->setStatus($statusLine); |
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} catch (InvalidArgumentException $e) { |
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array_unshift($headers, $statusLine); |
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} |
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foreach ($headers as $header) { |
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$this->addHeader($header); |
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} |
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} |
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/** |
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* Add some content to the body. This function writes the $input to a stream. |
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* |
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* @param string $input |
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* |
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* @return int returns the number of bytes written |
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*/ |
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public function writeBody(string $input): int |
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{ |
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return $this->response->getBody()->write($input); |
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} |
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public function getResponse(): ResponseInterface |
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{ |
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$this->response->getBody()->rewind(); |
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return $this->response; |
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} |
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} |
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kriswallsmith /
Buzz
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