101 lines
2.9 KiB
PHP
101 lines
2.9 KiB
PHP
<?php
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/*
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* This file is part of the Prophecy.
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* (c) Konstantin Kudryashov <ever.zet@gmail.com>
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* Marcello Duarte <marcello.duarte@gmail.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Prophecy\Promise;
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use Doctrine\Instantiator\Instantiator;
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use Prophecy\Prophecy\ObjectProphecy;
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use Prophecy\Prophecy\MethodProphecy;
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use Prophecy\Exception\InvalidArgumentException;
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use ReflectionClass;
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/**
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* Throw promise.
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*
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* @author Konstantin Kudryashov <ever.zet@gmail.com>
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*/
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class ThrowPromise implements PromiseInterface
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{
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private $exception;
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/**
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* @var \Doctrine\Instantiator\Instantiator
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*/
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private $instantiator;
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/**
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* Initializes promise.
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*
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* @param string|\Exception|\Throwable $exception Exception class name or instance
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*
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* @throws \Prophecy\Exception\InvalidArgumentException
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*/
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public function __construct($exception)
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{
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if (is_string($exception)) {
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if ((!class_exists($exception) && !interface_exists($exception)) || !$this->isAValidThrowable($exception)) {
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throw new InvalidArgumentException(sprintf(
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'Exception / Throwable class or instance expected as argument to ThrowPromise, but got %s.',
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$exception
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));
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}
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} elseif (!$exception instanceof \Exception && !$exception instanceof \Throwable) {
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throw new InvalidArgumentException(sprintf(
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'Exception / Throwable class or instance expected as argument to ThrowPromise, but got %s.',
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is_object($exception) ? get_class($exception) : gettype($exception)
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));
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}
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$this->exception = $exception;
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}
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/**
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* Throws predefined exception.
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*
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* @param array $args
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* @param ObjectProphecy $object
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* @param MethodProphecy $method
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*
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* @throws object
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*/
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public function execute(array $args, ObjectProphecy $object, MethodProphecy $method)
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{
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if (is_string($this->exception)) {
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$classname = $this->exception;
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$reflection = new ReflectionClass($classname);
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$constructor = $reflection->getConstructor();
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if ($constructor->isPublic() && 0 == $constructor->getNumberOfRequiredParameters()) {
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throw $reflection->newInstance();
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}
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if (!$this->instantiator) {
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$this->instantiator = new Instantiator();
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}
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throw $this->instantiator->instantiate($classname);
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}
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throw $this->exception;
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}
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/**
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* @param string $exception
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*
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* @return bool
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*/
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private function isAValidThrowable($exception)
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{
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return is_a($exception, 'Exception', true)
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|| is_a($exception, 'Throwable', true);
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}
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}
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