/**
* Loads a role for the given identifier
*
* @throws \eZ\Publish\API\Repository\Exceptions\UnauthorizedException if the authenticated user is not allowed to read this role
* @throws \eZ\Publish\API\Repository\Exceptions\NotFoundException if a role with the given name was not found
*
* @param string $identifier
*
* @return \eZ\Publish\API\Repository\Values\User\Role
*/
public function loadRoleByIdentifier($identifier)
{
if (!is_string($identifier)) {
throw new InvalidArgumentValue("identifier", $identifier);
}
if ($this->repository->hasAccess('role', 'read') !== true) {
throw new UnauthorizedException('role', 'read');
}
$spiRole = $this->userHandler->loadRoleByIdentifier($identifier);
return $this->buildDomainRoleObject($spiRole);
}