- Map<String, Map.Entry<ModuleFactory, BundleContext>> result = new HashMap<>();
- for(Entry<ModuleFactory, BundleContext> entry: moduleFactoryBundleTracker.getModuleFactoryEntries()) {
- ModuleFactory factory = entry.getKey();
- BundleContext bundleContext = entry.getValue();
- String moduleName = factory .getImplementationName();
- if (moduleName == null || moduleName.isEmpty()) {
- throw new IllegalStateException("Invalid implementation name for " + factory);
+ Collection<ServiceReference<ModuleFactory>> serviceReferences;
+ try {
+ serviceReferences = bundleContext.getServiceReferences(ModuleFactory.class, null);
+ } catch (InvalidSyntaxException e) {
+ throw new IllegalStateException(e);
+ }
+ Map<String, Map.Entry<ModuleFactory, BundleContext>> result = new HashMap<>(serviceReferences.size());
+ for (ServiceReference<ModuleFactory> serviceReference : serviceReferences) {
+ ModuleFactory factory = bundleContext.getService(serviceReference);
+ // null if the service is not registered, the service object
+ // returned by a ServiceFactory does not
+ // implement the classes under which it was registered or the
+ // ServiceFactory threw an exception.
+ if (factory == null) {
+ throw new NullPointerException("ServiceReference of class" + serviceReference.getClass() + "not found.");