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/**
* @author @jenschude <jens.schulze@commercetools.de>
*/
namespace Commercetools\Core\Client\Adapter;
use GuzzleHttp\Message\FutureResponse;
use GuzzleHttp\Psr7\Response;
use GuzzleHttp\Ring\Future\FutureInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\StreamInterface;
class Guzzle5Promise implements AdapterPromiseInterface, PromiseGetInterface
{
/**
* @var FutureResponse
*/
protected $response;
/**
* @var FutureInterface
*/
protected $promise;
public function __construct(FutureResponse $promise)
{
$this->response = $promise;
$this->promise = $promise;
}
public function then(callable $onFulfilled = null, callable $onRejected = null)
{
$this->promise = $this->promise->then($onFulfilled, $onRejected);
return $this;
}
/**
* @return FutureInterface
*/
public function getPromise()
{
return $this->promise;
}
/**
* @return ResponseInterface
*/
public function wait()
{
$this->response->wait();
$response = new Response(
$this->response->getStatusCode(),
$this->response->getHeaders(),
(string)$this->response->getBody(),
$this->response->getProtocolVersion(),
$this->response->getReasonPhrase()
);
return $response;
}
/**
* Retrieves the HTTP protocol version as a string.
*
* The string MUST contain only the HTTP version number (e.g., "1.1", "1.0").
*
* @return string HTTP protocol version.
*/
public function getProtocolVersion()
{
return $this->wait()->getProtocolVersion();
}
/**
* Return an instance with the specified HTTP protocol version.
*
* The version string MUST contain only the HTTP version number (e.g.,
* "1.1", "1.0").
*
* This method MUST be implemented in such a way as to retain the
* immutability of the message, and MUST return an instance that has the
* new protocol version.
*
* @param string $version HTTP protocol version
* @return self
*/
public function withProtocolVersion($version)
{
return $this->wait()->withProtocolVersion($version);
}
/**
* Retrieves all message header values.
*
* The keys represent the header name as it will be sent over the wire, and
* each value is an array of strings associated with the header.
*
* // Represent the headers as a string
* foreach ($message->getHeaders() as $name => $values) {
* echo $name . ": " . implode(", ", $values);
* }
*
* // Emit headers iteratively:
* foreach ($message->getHeaders() as $name => $values) {
* foreach ($values as $value) {
* header(sprintf('%s: %s', $name, $value), false);
* }
* }
*
* While header names are not case-sensitive, getHeaders() will preserve the
* exact case in which headers were originally specified.
*
* @return array Returns an associative array of the message's headers. Each
* key MUST be a header name, and each value MUST be an array of strings
* for that header.
*/
public function getHeaders()
{
return $this->wait()->getHeaders();
}
/**
* Checks if a header exists by the given case-insensitive name.
*
* @param string $name Case-insensitive header field name.
* @return bool Returns true if any header names match the given header
* name using a case-insensitive string comparison. Returns false if
* no matching header name is found in the message.
*/
public function hasHeader($name)
{
return $this->wait()->hasHeader($name);
}
/**
* Retrieves a message header value by the given case-insensitive name.
*
* This method returns an array of all the header values of the given
* case-insensitive header name.
*
* If the header does not appear in the message, this method MUST return an
* empty array.
*
* @param string $name Case-insensitive header field name.
* @return string[] An array of string values as provided for the given
* header. If the header does not appear in the message, this method MUST
* return an empty array.
*/
public function getHeader($name)
{
return $this->wait()->getHeader($name);
}
/**
* Retrieves a comma-separated string of the values for a single header.
*
* This method returns all of the header values of the given
* case-insensitive header name as a string concatenated together using
* a comma.
*
* NOTE: Not all header values may be appropriately represented using
* comma concatenation. For such headers, use getHeader() instead
* and supply your own delimiter when concatenating.
*
* If the header does not appear in the message, this method MUST return
* an empty string.
*
* @param string $name Case-insensitive header field name.
* @return string A string of values as provided for the given header
* concatenated together using a comma. If the header does not appear in
* the message, this method MUST return an empty string.
*/
public function getHeaderLine($name)
{
return $this->wait()->getHeaderLine($name);
}
/**
* Return an instance with the provided value replacing the specified header.
*
* While header names are case-insensitive, the casing of the header will
* be preserved by this function, and returned from getHeaders().
*
* This method MUST be implemented in such a way as to retain the
* immutability of the message, and MUST return an instance that has the
* new and/or updated header and value.
*
* @param string $name Case-insensitive header field name.
* @param string|string[] $value Header value(s).
* @return self
* @throws \InvalidArgumentException for invalid header names or values.
*/
public function withHeader($name, $value)
{
return $this->wait()->withHeader($name, $value);
}
/**
* Return an instance with the specified header appended with the given value.
*
* Existing values for the specified header will be maintained. The new
* value(s) will be appended to the existing list. If the header did not
* exist previously, it will be added.
*
* This method MUST be implemented in such a way as to retain the
* immutability of the message, and MUST return an instance that has the
* new header and/or value.
*
* @param string $name Case-insensitive header field name to add.
* @param string|string[] $value Header value(s).
* @return self
* @throws \InvalidArgumentException for invalid header names or values.
*/
public function withAddedHeader($name, $value)
{
return $this->wait()->withAddedHeader($name, $value);
}
/**
* Return an instance without the specified header.
*
* Header resolution MUST be done without case-sensitivity.
*
* This method MUST be implemented in such a way as to retain the
* immutability of the message, and MUST return an instance that removes
* the named header.
*
* @param string $name Case-insensitive header field name to remove.
* @return self
*/
public function withoutHeader($name)
{
return $this->wait()->withoutHeader($name);
}
/**
* Gets the body of the message.
*
* @return StreamInterface Returns the body as a stream.
*/
public function getBody()
{
return $this->wait()->getBody();
}
/**
* Return an instance with the specified message body.
*
* The body MUST be a StreamInterface object.
*
* This method MUST be implemented in such a way as to retain the
* immutability of the message, and MUST return a new instance that has the
* new body stream.
*
* @param StreamInterface $body Body.
* @return self
* @throws \InvalidArgumentException When the body is not valid.
*/
public function withBody(StreamInterface $body)
{
return $this->wait()->withBody($body);
}
/**
* Gets the response status code.
*
* The status code is a 3-digit integer result code of the server's attempt
* to understand and satisfy the request.
*
* @return int Status code.
*/
public function getStatusCode()
{
return $this->wait()->getStatusCode();
}
/**
* Return an instance with the specified status code and, optionally, reason phrase.
*
* If no reason phrase is specified, implementations MAY choose to default
* to the RFC 7231 or IANA recommended reason phrase for the response's
* status code.
*
* This method MUST be implemented in such a way as to retain the
* immutability of the message, and MUST return an instance that has the
* updated status and reason phrase.
*
* @link http://tools.ietf.org/html/rfc7231#section-6
* @link http://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
* @param int $code The 3-digit integer result code to set.
* @param string $reasonPhrase The reason phrase to use with the
* provided status code; if none is provided, implementations MAY
* use the defaults as suggested in the HTTP specification.
* @return self
* @throws \InvalidArgumentException For invalid status code arguments.
*/
public function withStatus($code, $reasonPhrase = '')
{
return $this->wait()->withStatus($code, $reasonPhrase);
}
/**
* Gets the response reason phrase associated with the status code.
*
* Because a reason phrase is not a required element in a response
* status line, the reason phrase value MAY be null. Implementations MAY
* choose to return the default RFC 7231 recommended reason phrase (or those
* listed in the IANA HTTP Status Code Registry) for the response's
* status code.
*
* @link http://tools.ietf.org/html/rfc7231#section-6
* @link http://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
* @return string Reason phrase; must return an empty string if none present.
*/
public function getReasonPhrase()
{
return $this->wait()->getReasonPhrase();
}
}