private Role findRoleForGroup(PackageId packageId, String groupId) {
List<Role> roles = getRoles(packageId);
for (Role role : roles) {
if (!role.getSigners().isEmpty()) {
Signer signer = role.getSigners().get(0);
if (signer.getGroup() != null) {
if (signer.getGroup().getId().equals(groupId)) {
return role;
}
}
}
}
return null;
}
