public static function getPkg(PkgNameInterface $pkgName)
{
$vendor = $pkgName->getVendor();
$factory = self::loadFactory($vendor);
$type = $pkgName->getType();
$name = $pkgName->getName();
$pkg = null;
if ('layer' === $type) {
$data = ResourceTree::getLayer($vendor, $name);
if (!isset($data['pkg'])) {
$err = "pkg must be defined for layer -({$vendor}, {$name})";
throw new DomainException($err);
}
if (!isset($data['filename'])) {
$err = "filename must be defined for layer -({$vendor}, {$name})";
throw new DomainException($err);
}
$pkg = $factory->createLayer($name, self::loadVendor($vendor));
$pkg->setFilename($data['filename'])->setPackages($data['pkg']);
} else {
if (empty($type)) {
$pkg = ResourceTree::getPackage($vendor, $name);
if (is_array($pkg)) {
$pkg = $factory->createPkg($pkg, $vendor);
ResourceTree::setPackage($vendor, $name, $pkg);
}
} else {
$pkg = ResourceTree::getPackageByType($vendor, $type, $name);
if (is_array($pkg)) {
$pkg = $factory->createPkg($pkg, $vendor);
ResourceTree::setPackageByType($vendor, $type, $name, $pkg);
}
}
}
return $pkg;
}
