/**
* @inheritdoc
*/
protected function setUp()
{
$this->modifier = new CallbackTransformer(function () {
});
$this->reader = new XmlReader(new StringResource('<foo><bar>Baz</bar></foo>'));
$this->reader->setNodeCallback('foo');
}
/**
* @param ResourceInterface $resource
*
* @return array
*/
protected function breakup(ResourceInterface $resource)
{
$originalFile = $resource->getFile();
$baseFile = $originalFile->getPathname();
$this->reader->setResources(new ResourceCollection([$resource]));
$partCount = 0;
$started = false;
while ($this->reader->valid()) {
if ($this->reader->key() % $this->size === 0) {
if ($this->reader->key() > 0) {
$this->endPart();
}
$file = sprintf('%s.part%s', $baseFile, ++$partCount);
$this->startPart($file);
$started = true;
}
$this->writer->write($this->reader->current());
$this->writer->flush();
$this->reader->next();
}
if ($started) {
$this->endPart();
}
return $this->getPartFiles($resource);
}
/**
* @return ParameterBag|null
*/
public function getNextItem()
{
while ($item = $this->reader->read()) {
try {
$this->eventDispatcher->dispatch(FeedEvents::ITEM_PRE_MODIFICATION, new ItemModificationEvent($item));
$item = $this->modify($item);
$this->eventDispatcher->dispatch(FeedEvents::ITEM_POST_MODIFICATION, new ItemModificationEvent($item));
return $item;
} catch (FilterException $e) {
$this->eventDispatcher->dispatch(FeedEvents::ITEM_FILTERED, new ItemNotModifiedEvent($item, $e->getMessage()));
} catch (ValidationException $e) {
$this->eventDispatcher->dispatch(FeedEvents::ITEM_INVALID, new InvalidItemEvent($item, $e->getMessage()));
} catch (ModificationException $e) {
if ($e->getPrevious()) {
$e = $e->getPrevious();
}
$this->eventDispatcher->dispatch(FeedEvents::ITEM_FAILED, new ItemNotModifiedEvent($item, $e->getMessage()));
}
}
return null;
}
/**
* @param ReaderInterface $reader
* @param EventDispatcherInterface $dispatcher
* @param string $itemName
*
* @return Feed
*/
protected function createFeed(ReaderInterface $reader, EventDispatcherInterface $dispatcher, $itemName)
{
if ($reader instanceof XmlReader) {
$reader->setNodeCallback($itemName);
}
$feed = new Feed($reader, $dispatcher);
/** @var ModifierInterface $modifier */
foreach ($this->modifiers as $position => list($modifier, $continue)) {
$feed->addModifier($modifier, $position, $continue);
}
return $feed;
}
