/**
* Check if an event dispatcher has a subscriber
*
* @param HasDispatcherInterface $dispatcher
* @param EventSubscriberInterface $subscriber
*
* @return bool
*/
protected function hasSubscriber(HasDispatcherInterface $dispatcher, EventSubscriberInterface $subscriber)
{
$class = get_class($subscriber);
$all = array_keys(call_user_func(array($class, 'getSubscribedEvents')));
foreach ($all as $i => $event) {
foreach ($dispatcher->getEventDispatcher()->getListeners($event) as $e) {
if ($e[0] === $subscriber) {
unset($all[$i]);
break;
}
}
}
return count($all) == 0;
}
/**
* Add the custom param listener to a transfer object
*
* @param HasDispatcherInterface $sync
*/
protected function addCustomParamListener(HasDispatcherInterface $sync)
{
$params = $this->params;
$sync->getEventDispatcher()->addListener(UploadSync::BEFORE_TRANSFER, function (Event $e) use($params) {
if ($e['command'] instanceof CommandInterface) {
$e['command']->overwriteWith($params);
}
});
}
/**
* Add the custom param listener to a transfer object
*
* @param HasDispatcherInterface $sync
*/
protected function addCustomParamListener(HasDispatcherInterface $sync)
{
$params = $this->params;
$sync->getEventDispatcher()->addListener(UploadSync::BEFORE_TRANSFER, function (Event $e) use($params) {
if ($e['command'] instanceof CommandInterface) {
$e['command']->overwriteWith($params);
} elseif ($e['command'] instanceof TransferInterface) {
// Multipart upload transfer object
foreach ($params as $k => $v) {
$e['command']->setOption($k, $v);
}
}
});
}