##### "Main": #####
(package javadbus)
	
                conn = null;
		conn = DBusConnection.getConnection(DBusConnection.SYSTEM);	
		if (conn==null)
		{
			System.out.println("jdbus: getConnection returned null!");
			throw new Exception("No Connection to DBus");
		}
		
		System.out.println("jdbus: got Connection");		
		System.out.println("jdbus: trying to addSigHandler...");
		
		HalSigHandler halSigHandler = new HalSigHandler();	
		conn.addSigHandler(Device.PropertyModified.class, halSigHandler );


########### HalSigHandler ############
package javadbus;

public class HalSigHandler implements DBusSigHandler {


	public void handle(DBusSignal signal) {
		
		System.out.println("Hal Universal Signal Handler called! ");
		System.out.println(signal.toString());
        }
}

########### Hal.Device ############
package org.freedesktop.Hal;


public interface Device extends DBusInterface
{
	
	public static class PropertyModified extends DBusSignal
	   {

			
		    public final int len;
		    public final List<Entry> properties;
		    public PropertyModified(String path, int len, List<Entry> properties) throws DBusException
		      {
		         super(path, len, properties);
		         this.len = len;
		         this.properties = properties;
		      }

	   }
}

############ Entry #################
package org.freedesktop.Hal;

import org.freedesktop.dbus.Position;

public final class Entry extends Struct
{
   @Position(0)
   public final String a;
   @Position(1)
   public final boolean b;
   @Position(2)
   public final boolean c;
  public Entry(String a, boolean b, boolean c)
  {
   this.a = a;
   this.b = b;
   this.c = c;
  }
}