/** * Determines whether or not a resource exists using a command * * @param CommandInterface $command Command used to poll for the resource * @param bool $accept403 Set to true if 403s are acceptable * * @return bool * @throws S3Exception|\Exception if there is an unhandled exception */ protected function checkExistenceWithCommand(CommandInterface $command, $accept403 = false) { try { $command->execute(); $exists = true; } catch (AccessDeniedException $e) { $exists = (bool) $accept403; } catch (S3Exception $e) { $exists = false; if ($e->getResponse()->getStatusCode() >= 500) { // @codeCoverageIgnoreStart throw $e; // @codeCoverageIgnoreEnd } } return $exists; }
/** * Execute a command and return the response * * @param CommandInterface|CommandSet|array $command Command or set to execute * * @return mixed Returns the result of the executed command's * {@see CommandInterface::getResult} method if a CommandInterface is * passed, or the CommandSet itself if a CommandSet is passed * @throws InvalidArgumentException if an invalid command is passed * @throws CommandSetException if a set contains commands associated with other clients */ public function execute($command) { if ($command instanceof CommandInterface) { $request = $command->setClient($this)->prepare(); $this->dispatch('command.before_send', array('command' => $command)); // Set the state to new if the command was previously executed if ($request->getState() !== RequestInterface::STATE_NEW) { $request->setState(RequestInterface::STATE_NEW); } $request->send(); $this->dispatch('command.after_send', array('command' => $command)); return $command->getResult(); } elseif ($command instanceof CommandSet) { foreach ($command as $c) { if ($c->getClient() && $c->getClient() !== $this) { throw new CommandSetException('Attempting to run a mixed-Client CommandSet from a ' . 'Client context. Run the set using CommandSet::execute() '); } $c->setClient($this); } return $command->execute(); } elseif (is_array($command)) { return $this->execute(new CommandSet($command)); } throw new InvalidArgumentException('Invalid command sent to ' . __METHOD__); }