/**
* Fetch the data from the specified location of the Xref.
*
* @param Xref $xref
* @param boolean $force If true and Xref already fetched, force the resolver to fetch the data again.
* @throws XrefResolverFetchException
*/
public static function resolve(Xref $xref, $force = false)
{
if ($xref->isResolved() && !$force) {
return;
}
static::matchType($xref);
if (!$xref->hasLocation()) {
throw new XrefResolverFetchException($xref);
}
$xrefLocation = $xref->getLocation();
if (!file_exists($xrefLocation)) {
throw new XrefResolverFetchException($xref, 'File does not exist.');
}
try {
$data = file_get_contents($xrefLocation);
} catch (\Exception $e) {
throw new XrefResolverFetchException($xref, $e->getMessage());
}
$xref->setResolved(false);
if ($xref->hasContentType()) {
$serializer = TreeSerializerFactory::getByContentType($xref->getContentType());
} else {
$fileExtension = pathinfo($xrefLocation, PATHINFO_EXTENSION);
$serializer = TreeSerializerFactory::getByFileExtension($fileExtension);
$xref->setContentType($serializer::getContentType());
}
try {
$data = $serializer::deserialize($data);
} catch (TreeSerializerSyntaxException $e) {
throw new XrefResolverFetchException($xref, $e->getMessage());
}
$xref->setData($data);
$xref->setResolved(true);
}
/**
* Fetch the data from the specified location of the Xref.
*
* @param Xref $xref
* @param boolean $force If true and Xref already fetched, force the resolver to fetch the data again.
* @throws UnknownXrefTypeException
* @throws XrefResolverFetchException
* @throws \ConfigToken\TreeCompiler\XrefResolver\Exception\InvalidXrefTypeException
* @throws \ConfigToken\TreeSerializer\Exception\UnknownContentTypeException
* @throws \ConfigToken\TreeSerializer\Exception\UnknownFileExtensionException
*/
public static function resolve(Xref $xref, $force = false)
{
if ($xref->isResolved() && !$force) {
return;
}
static::matchType($xref);
if (!$xref->hasLocation()) {
throw new XrefResolverFetchException($xref);
}
$data = null;
$httpCode = null;
$contentType = null;
$eventManager = EventManager::getInstance();
if ($eventManager->hasListeners()) {
$event = new Event(self::EVENT_ID_RESOLVE_URL);
$event->data[self::EVENT_URL] = $xref->getLocation();
$event->data[Event::RESULT] = false;
$eventManager->dispatch($event);
if (isset($event->data[Event::RESULT])) {
if ($event->data[Event::RESULT] === true) {
$data = $event->data[self::EVENT_DATA];
$contentType = $event->data[self::EVENT_CONTENT_TYPE];
$httpCode = 200;
} else {
if ($event->data[Event::RESULT] !== false) {
throw new XrefResolverFetchException($xref, sprintf('Got error message from listener: %s', $event->data[Event::RESULT]));
}
}
}
}
if (!isset($data)) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_URL, $xref->getLocation());
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
curl_setopt($ch, CURLOPT_TIMEOUT, 15);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_HEADER, false);
$data = curl_exec($ch);
$contentType = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
}
if ($httpCode != 200) {
throw new XrefResolverFetchException($xref, sprintf('Got response code %d', $httpCode));
}
if (TreeSerializerFactory::isRegisteredByContentType($contentType)) {
$serializer = TreeSerializerFactory::getByContentType($contentType);
$xref->setContentType($contentType);
} else {
$path = parse_url($xref->getLocation(), PHP_URL_PATH);
$fileExtension = pathinfo($path, PATHINFO_EXTENSION);
if (!TreeSerializerFactory::isRegisteredByFileExtension($fileExtension)) {
throw new UnknownXrefTypeException(sprintf('Unable to find resolver for Xref content type "%s" or file extension "%s" for location "%s".', $contentType, $fileExtension, $xref->getLocation()));
}
$serializer = TreeSerializerFactory::getByFileExtension($fileExtension);
$xref->setContentType($serializer::getContentType());
}
// TODO: catch exception, show xref location in error message
$data = $serializer::deserialize($data);
$xref->setData($data);
$xref->setResolved(true);
}
/**
* @expectedException \ConfigToken\TreeSerializer\Exception\UnknownContentTypeException
*/
public function testUnknownContentType()
{
TreeSerializerFactory::getByContentType('rubbish');
}