package org.argeo.cms.ui.jcr;
   
   import java.util.HashMap;
   import java.util.Map;
   
   import javax.jcr.Repository;
   
   import org.osgi.framework.BundleContext;
   import org.osgi.framework.FrameworkUtil;
  import org.osgi.framework.ServiceReference;
  import org.osgi.util.tracker.ServiceTracker;
  
  public class OsgiRepositoryRegister extends DefaultRepositoryRegister {
  	private final static BundleContext bc = FrameworkUtil.getBundle(OsgiRepositoryRegister.class).getBundleContext();
  	private final ServiceTracker<Repository, Repository> repositoryTracker;
  
  	public OsgiRepositoryRegister() {
  		repositoryTracker = new ServiceTracker<Repository, Repository>(bc, Repository.class, null) {
  
  			@Override
  			public Repository addingService(ServiceReference<Repository> reference) {
  
  				Repository repository = super.addingService(reference);
  				Map<String, Object> props = new HashMap<>();
  				for (String key : reference.getPropertyKeys()) {
  					props.put(key, reference.getProperty(key));
  				}
  				register(repository, props);
  				return repository;
  			}
  
  			@Override
  			public void removedService(ServiceReference<Repository> reference, Repository service) {
  				Map<String, Object> props = new HashMap<>();
  				for (String key : reference.getPropertyKeys()) {
  					props.put(key, reference.getProperty(key));
  				}
  				unregister(service, props);
  				super.removedService(reference, service);
  			}
  
  		};
  	}
  
  	public void init() {
  		repositoryTracker.open();
  	}
  
  	public void destroy() {
  		repositoryTracker.close();
  	}
  }