import CiaoApp.*;          // The package containing our stubs. 
import org.omg.CosNaming.*; // HelloServer will use the naming service. 
import org.omg.CosNaming.NamingContextPackage.*; // ..for exceptions. 
import org.omg.CORBA.*;     // All CORBA applications need these classes. 
import org.omg.PortableServer.*;   
import org.omg.PortableServer.POA;
 
class CiaoServant extends CiaoPOA
{
    private ORB orb;

    public void setORB(ORB orb_val) {
        orb = orb_val;
    }

    public String say(CiaoCallback callobj, String msg)
    {
        callobj.callback(msg);
        return "\n Ciao Mondo!! \n";
    }
}

public class CiaoServer 
{
    public static void main(String args[]) 
    {
	try { 
	    ORB orb = ORB.init(args, null); 

	    POA rootpoa = POAHelper.narrow(orb.resolve_initial_references("RootPOA"));  
	    rootpoa.the_POAManager().activate(); 

	    CiaoServant ciaoImpl = new CiaoServant();
	    ciaoImpl.setORB(orb);  

	    org.omg.CORBA.Object ref = rootpoa.servant_to_reference(ciaoImpl);
	    Ciao cref = CiaoHelper.narrow(ref);

	    org.omg.CORBA.Object objRef = 
		           orb.resolve_initial_references("NameService");
	    NamingContextExt ncRef = NamingContextExtHelper.narrow(objRef);

	    String name = "Ciao";
	    NameComponent path[] = ncRef.to_name(name);
	    ncRef.rebind(path, cref);
	    
	    orb.run();
	}
	    
	catch(Exception e) {
	    System.err.println("ERROR : " + e);
	    e.printStackTrace(System.out);
	}
    }
}