public function getDataByPath($path, $expands)
{
$part = explode('/', $path);
if ($part[0] != '') {
throw new InvalidArgument("URI should start with a slash: " . $path);
}
$serializer = new Serializer($this);
$typeName = $part[1];
$type = $this->getType($typeName);
if (isset($part[2])) {
$resourceId = $part[2];
$resource = new Resource($type, $resourceId);
$resource = $this->loadResource($resource, $expands);
$data = $serializer->serializeResource($resource);
return $data;
} else {
$collection = $this->getResourceCollection($typeName);
$data = $serializer->serializeCollection($collection);
return $data;
}
}