public function resolve(Uri $uri, Document $source, RefResolver $resolver)
{
if (!$uri->isAbsolute()) {
$uri = UriResolver::resolve($source->getBaseUri(), $uri);
}
$request = new GetRequest($uri, array('Accept' => 'application/schema+json'));
$response = $this->httpClient->request($request);
if ($response->getStatusCode() == 200) {
$schema = (string) $response->getBody();
$data = Json::decode($schema);
$document = new Document($data, $resolver, null, $uri);
return $document;
} else {
throw new RuntimeException('Could not load external schema ' . $uri->toString() . ' received ' . $response->getStatusCode());
}
}
/**
* Extracts an array part from the document
*
* @param \PSX\Data\Schema\Parser\JsonSchema\Document $document
* @param \PSX\Uri $ref
* @return array
*/
public function extract(Document $document, Uri $ref)
{
$uri = $this->resolver->resolve($document->getBaseUri(), $ref);
$doc = $this->getDocument($uri, $document);
$result = $doc->pointer($uri->getFragment());
$baseUri = $doc->getBaseUri();
// the extracted fragment gets merged into the root document so we must
// resolve all $ref keys to the base uri so that the root document knows
// where to find the $ref values
array_walk_recursive($result, function (&$item, $key) use($baseUri) {
if ($key == '$ref') {
$item = $this->resolver->resolve($baseUri, new Uri($item))->toString();
}
});
return $result;
}