private BundleWiringDTO getBundleWiringDTO(BundleWiring wiring) { if (wiring == null) { return null; } BundleWiringDTO dto = new BundleWiringDTO(); dto.bundle = wiring.getBundle().getBundleId(); dto.root = getWiringId(wiring); dto.nodes = new HashSet<BundleWiringDTO.NodeDTO>(wiringnodes.values()); dto.resources = new HashSet<BundleRevisionDTO>(resources.values()); return dto; }