/*

 *

 * Copyright 2000 Sun Microsystems, Inc. All Rights Reserved.

 * 

 * This software is the proprietary information of Sun Microsystems, Inc.  

 * Use is subject to license terms.

 * 

 */



import java.util.*;

import java.io.*;

import javax.naming.Context;

import javax.naming.InitialContext;

import javax.rmi.PortableRemoteObject;



public class AccountBean {



    private String action;



    private String id;

    private String firstName;

    private String lastName;

    private double balance;

    private double amount;



    private AccountHome accountHome;

    private Account account;



    public AccountBean() {



       try {

   

           Context ic = new InitialContext();

           

           java.lang.Object objref = ic.lookup("java:comp/env/ejb/Account");

           

           accountHome = (AccountHome) PortableRemoteObject.narrow(objref, 

                                       AccountHome.class);

   

           System.out.println("obtained accountHome object");

   

           

       } catch (Exception re) {

           System.err.println ("Couldn't locate Account Home");

           re.printStackTrace();

       }

   

       reset();



    }



    public String processRequest() {



       String  message = "";

   

       System.out.println("Process request called ");

       System.out.println(this);

   

       try {

   

         if( action.equals("create") ) {

   

            account = 

              accountHome.create(id, firstName, lastName, balance);

            message = "Created account '" + id + "'";

   

         }

         else if( action.equals("debit") ) {

           

            account = accountHome.findByPrimaryKey(id);

            account.debit(amount);

            loadFromEJB();

            message = "Debited account '" + id + "' by $" + amount;

         

         }

         else if( action.equals("credit") ) {

   

            account = accountHome.findByPrimaryKey(id);

            account.credit(amount);

            loadFromEJB();

            message = "Credited account '" + id + "' by $" + amount;

   

         }

         else if( action.equals("find") ) {

   

            account = accountHome.findByPrimaryKey(id);

            loadFromEJB();

            message = "Found account '" + id;

   

         }



       } // try

   

       catch (Exception e) {

         message = e.toString();

       }

   

       return message;

    }



    public String getAction() {

       System.out.println("Getting action");

       return action;

    }



    public void setAction(String a) {

       System.out.println("Setting action : " + a);

       action = a;

    }



    public String getId() {

       System.out.println("Getting id");

       return id;

    }



    public void setId(String i) {

       System.out.println("Setting id : " + i);

       id = i;

    }



    public String getFirstName() {

       System.out.println("Getting firstName");

       return firstName;

    }



    public void setFirstName(String f) {

       System.out.println("Setting first name : " + f);

       firstName = f;

    }



    public String getLastName() {

       System.out.println("Getting lastName");

       return lastName;

    }



    public void setLastName(String l) {

       System.out.println("Setting last name : " + l);

       lastName = l;

    }



    public double getBalance() {

       System.out.println("Getting balance");

       return balance;

    }



    public void setBalance(double b) {

       System.out.println("Setting balance : " + b);

       balance = b;

    }



    public double getAmount() {

       System.out.println("Getting amount");

       return amount;

    }



    public void setAmount(double a) {

       System.out.println("Setting amount : " + a);

       amount = a;

    }



    private void reset() {

       System.out.println("Calling reset()");

       final String emptyString = "";

       final double zero        = 0.0;

 

       setAction(emptyString);

       setId(emptyString);

       setFirstName(emptyString);

       setLastName(emptyString);

       setBalance(zero);

       setAmount(zero);

    }



   private void loadFromEJB() {

      System.out.println("Calling loadFromEJB()");

      try {

          setFirstName(account.getFirstName());

          setLastName(account.getLastName());

          setBalance(account.getBalance());

       } catch (Exception re) {

           System.err.println ("Failed to load AccountBean from AccountEJB.");

           re.printStackTrace();

       }

   }



   public String toString() {

     StringBuffer output = new StringBuffer();



     output.append("Action : " + action);

     output.append( " Id : " + id);

     output.append( " first name : " + firstName);

     output.append( " last name : " + lastName);

     output.append( " balance : " + balance);

     output.append( " amount : " + amount);



     return output.toString();

   }

    

}