todolistcreatorinterfaceimpl.java.txt

ssd8 exe5 icarnegie exe5

import org.omg.CORBA.*;
import org.omg.CosNaming.*;
import org.omg.CosNaming.NamingContextPackage.*;
import java.io.*;
import java.util.*;
import exe5creator.*;
import exe5.*;
public class TodolistCreatorInterfaceImpl extends _TodolistCreatorInterfaceImplBase {
    
    ORB orb;

    org.omg.CORBA.Object objRef;

    NamingContext ncRef;

    NameComponent nc;

    public TodolistCreatorInterfaceImpl( String args[] ) {

	try {
	    orb = ORB.init( args, null );
	} catch( Exception e ) {
	    e.printStackTrace();
	}
    }

    public boolean register( String username, String password ) {	

	
	TodolistInterface toDoList;
	try {		
	 
	    objRef = orb.resolve_initial_references( "NameService" );
	    ncRef = NamingContextHelper.narrow( objRef );
	    nc = new NameComponent(username,"");
      	    NameComponent trypath[] = { nc };	       
	    toDoList = TodolistInterfaceHelper.narrow(ncRef.resolve(trypath));
	    return false;
	} catch( org.omg.CosNaming.NamingContextPackage.NotFound nf ) {
	    try {
		TodolistInterfaceImpl newTodolist = new TodolistInterfaceImpl( username, password );
		orb.connect( newTodolist );
		objRef = orb.resolve_initial_references( "NameService" );
		ncRef = NamingContextHelper.narrow( objRef );
		nc = new NameComponent( username ,"");
		NameComponent path[] = { nc };	       
		ncRef.rebind( path, newTodolist );
		return true;
	    } catch( Exception e ) {
		e.printStackTrace();
		return false;
	    }
	} catch( org.omg.CORBA.ORBPackage.InvalidName in ){
	    in.printStackTrace();
	    return false;
	} catch( org.omg.CosNaming.NamingContextPackage.CannotProceed cp ) {
	    cp.printStackTrace();
	    return false;
	} catch( org.omg.CosNaming.NamingContextPackage.InvalidName in2 ) {
	    in2.printStackTrace();
	    return false;
	}
    }
}