/**
* @inheritdoc
*/
public function parse(ScrapedItemBag $item)
{
$crawler = $this->getDomCrawler($item->getOriginalData(), $item->getOriginalUrl());
foreach ($this->modifiers as $position => $modifier) {
// set crawler if needed
if ($modifier instanceof CrawlerAwareInterface) {
$modifier->setCrawler($crawler);
}
try {
if ($modifier instanceof FilterInterface) {
$modifier->filter($item);
}
if ($modifier instanceof MapperInterface) {
$item = $modifier->map($item);
}
if ($modifier instanceof TransformerInterface) {
$modifier->transform($item);
}
if ($modifier instanceof ValidatorInterface) {
$modifier->validate($item);
}
} catch (FilterException $e) {
// filter exceptions don't get to continue
throw $e;
} catch (ValidationException $e) {
// validation exceptions don't get to continue
throw $e;
} catch (ModificationException $e) {
// notify listeners of this failure, give them the option to stop propagation
$event = new FailedItemModificationEvent($item, $modifier, $e);
$event->setContinue($this->continues[$position]);
$this->eventDispatcher->dispatch(FeedEvents::ITEM_MODIFICATION_FAILED, $event);
if (!$event->getContinue()) {
throw $e;
}
}
}
}
