private static ServiceReferenceDTO getServiceReferenceDTO(ServiceReference<?> ref) {
if (ref == null) {
return null;
}
Bundle b = ref.getBundle();
if (b == null) {
// service has been unregistered
return null;
}
ServiceReferenceDTO dto = new ServiceReferenceDTO();
dto.bundle = b.getBundleId();
String[] keys = ref.getPropertyKeys();
Map<String, Object> properties = newMap(keys.length);
for (String k : keys) {
Object v = ref.getProperty(k);
if (Constants.SERVICE_ID.equals(k)) {
dto.id = ((Long) v).longValue();
}
properties.put(k, mapValue(v));
}
dto.properties = properties;
Bundle[] using = ref.getUsingBundles();
final int length = (using == null) ? 0 : using.length;
long[] usingBundles = new long[length];
for (int i = 0; i < length; i++) {
usingBundles[i] = using[i].getBundleId();
}
dto.usingBundles = usingBundles;
return dto;
}
