package antipatterns.model;

import antipatterns.ejbs.*;

import java.util.*;
import javax.ejb.*;
import javax.rmi.*;
import javax.naming.*;
import javax.servlet.http.*;

public class EJBPersonCommand implements PersonCommand {
    private String firstName;
    private String lastName;
    
    private Vector people;
    
    private EJBPersonHome personHome;
    
    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }
    
    public void setLastName(String lastName) {
        this.lastName = lastName;
    }
    
    public void initialize(HttpSession session) throws NamingException { 
        Hashtable properties = new Properties();
        //properties.put(Context.INITIAL_CONTEXT_FACTORY,
        //   "com.sun.jndi.cosnaming.CNCtxFactory");
        //properties.put(Context.PROVIDER_URL, "iiop://wgs97-74:1050");
        
        InitialContext ic = new InitialContext(properties);
        Object personRef = ic.lookup("ejb/EJBPerson");
        
        personHome =
        (EJBPersonHome)PortableRemoteObject.narrow(personRef, EJBPersonHome.class);
        
        people = new Vector();
    }
    
    public void runCommand() throws NamingException {        
        try {
            Collection ejbpeople = null;

            if (firstName != null & lastName != null) {
                ejbpeople = personHome.findByName(firstName, lastName);
            } else if (firstName != null) {
                ejbpeople = personHome.findByFirstName(firstName);
            } else if (lastName != null) {
                ejbpeople = personHome.findByLastName(lastName);
            } else {
                ejbpeople = personHome.findAll();
            }
            
            for(Iterator i = ejbpeople.iterator(); i.hasNext();) {
                EJBPerson ejbPerson = (EJBPerson)i.next();
                people.add(new Person(ejbPerson.getFirstName(),
                                      ejbPerson.getLastName(),
                                      ejbPerson.getPhoneNumber()));
            }
        } catch(Exception ex) {
            ex.printStackTrace();
            return;
        }
        
    }
    
    public List getPeople() {
        return people;
    }
}