+
+ ServiceTrackerCustomizer<IUserManager, IUserManager> customizer = new ServiceTrackerCustomizer<IUserManager, IUserManager>() {
+ @Override
+ public IUserManager addingService(final ServiceReference<IUserManager> reference) {
+ logger.trace("Service {} added", reference);
+ nullableUserManager = bundleContext.getService(reference);
+ return nullableUserManager;
+ }
+
+ @Override
+ public void modifiedService(final ServiceReference<IUserManager> reference, final IUserManager service) {
+ logger.trace("Replacing modified service {} in netconf SSH.", reference);
+ nullableUserManager = service;
+ }
+
+ @Override
+ public void removedService(final ServiceReference<IUserManager> reference, final IUserManager service) {
+ logger.trace("Removing service {} from netconf SSH. " +
+ "SSH won't authenticate users until IUserManager service will be started.", reference);
+ synchronized (AuthProvider.this) {
+ nullableUserManager = null;
+ }
+ }
+ };
+ ServiceTracker<IUserManager, IUserManager> listenerTracker = new ServiceTracker<>(bundleContext, IUserManager.class, customizer);
+ listenerTracker.open();