diff options
Diffstat (limited to 'vendor/guzzlehttp/promises/src/RejectedPromise.php')
-rw-r--r-- | vendor/guzzlehttp/promises/src/RejectedPromise.php | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/vendor/guzzlehttp/promises/src/RejectedPromise.php b/vendor/guzzlehttp/promises/src/RejectedPromise.php new file mode 100644 index 0000000..d291846 --- /dev/null +++ b/vendor/guzzlehttp/promises/src/RejectedPromise.php @@ -0,0 +1,91 @@ +<?php + +namespace GuzzleHttp\Promise; + +/** + * A promise that has been rejected. + * + * Thenning off of this promise will invoke the onRejected callback + * immediately and ignore other callbacks. + */ +class RejectedPromise implements PromiseInterface +{ + private $reason; + + public function __construct($reason) + { + if (is_object($reason) && method_exists($reason, 'then')) { + throw new \InvalidArgumentException( + 'You cannot create a RejectedPromise with a promise.' + ); + } + + $this->reason = $reason; + } + + public function then( + callable $onFulfilled = null, + callable $onRejected = null + ) { + // If there's no onRejected callback then just return self. + if (!$onRejected) { + return $this; + } + + $queue = Utils::queue(); + $reason = $this->reason; + $p = new Promise([$queue, 'run']); + $queue->add(static function () use ($p, $reason, $onRejected) { + if (Is::pending($p)) { + try { + // Return a resolved promise if onRejected does not throw. + $p->resolve($onRejected($reason)); + } catch (\Throwable $e) { + // onRejected threw, so return a rejected promise. + $p->reject($e); + } catch (\Exception $e) { + // onRejected threw, so return a rejected promise. + $p->reject($e); + } + } + }); + + return $p; + } + + public function otherwise(callable $onRejected) + { + return $this->then(null, $onRejected); + } + + public function wait($unwrap = true, $defaultDelivery = null) + { + if ($unwrap) { + throw Create::exceptionFor($this->reason); + } + + return null; + } + + public function getState() + { + return self::REJECTED; + } + + public function resolve($value) + { + throw new \LogicException("Cannot resolve a rejected promise"); + } + + public function reject($reason) + { + if ($reason !== $this->reason) { + throw new \LogicException("Cannot reject a rejected promise"); + } + } + + public function cancel() + { + // pass + } +} |