/**
* To run this servlet, you may have to specify the root directory
* in the path since it needs to get at the stubs present in the
* package com.gopalan.Shop.Cart.
*
* You should also move the Online.class file to the directory
* specified in the -d option below.
*
* eg.,
* servletrunner -p 6060 -d E:\ -s E:\com\gopalan\Shop\Cart\servlet.properties
*
*/
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.rmi.*;
import com.gopalan.Shop.Cart.*;
public class Online extends HttpServlet {
CartHome home = null;
Cart cart = null;
Vector bookList = new Vector();
Vector musicList= new Vector();
Vector bookCart = new Vector();
Vector musicCart= new Vector();
public void init(ServletConfig config) throws ServletException {
super.init(config);
System.out.println( "Called from Online::init..." );
try{
home = (CartHome)Naming.lookup("Cart");
if( null == home ) {
System.out.println( "null CartHome returned..." );
}
else {
cart = home.create();
System.out.println( "Naming.lookup successful..." );
System.out.println( "home.create successful..." );
}
} catch(Exception e){System.out.println( e );}
}
public void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
System.out.println( "Called from Online::doGet..." );
displayForm(res, "Welcome");
}
public void doPost(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
System.out.println( "Called from Online::doPost..." );
int item = 0;
System.out.println( "Content Type ="+
req.getContentType());
if ("application/x-www-form-urlencoded".equals(req.getContentType())) {
Enumeration enum = req.getParameterNames();
while (enum.hasMoreElements()) {
System.out.println("---------------------------------------------");
String name = (String) enum.nextElement();
System.out.println("name = " + name);
String values[] = req.getParameterValues(name);
System.out.println("The No. of Values selected are ="+values.length);
if( name.equals("MusicCombo") ) {
for (int i = 0; i < values.length; i++) {
System.out.println(values[i]);
item = (Integer.valueOf(values[i])).intValue();
cart.addToMusicCart (((ReturnSet)musicList.elementAt(item-1)).code);
}
}
if( name.equals("BooksCombo") ) {
for (int i = 0; i < values.length; i++) {
System.out.println(values[i]);
item = (Integer.valueOf(values[i])).intValue();
cart.addToBooksCart (((ReturnSet)bookList.elementAt(item-1)).code);
}
}
if( name.equals("BuyButton") ) {
cart.flushBooksCart();
cart.flushMusicCart();
}
System.out.println("---------------------------------------------");
}
} displayForm(res, "Welcome");
}
private void displayForm(HttpServletResponse response, String message)
throws IOException {
System.out.println( "Called from Online::displayForm..." );
if( ( home == null ) || (cart == null)) {
try{
home = (CartHome)Naming.lookup("Cart");
cart = home.create();
} catch(Exception e){ System.out.println( e ); }
}
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("");
out.println("");
out.println("Horse and Stable Online, Inc.
");
out.println("");
out.println("List of Books Available-Make your Selection
");
out.println("");
out.println("");
out.println("Books you added to your Shopping Cart
");
out.println("");
out.println("");
out.println("| ISBN | ");
out.println("Book Title | ");
out.println("Author(s) | ");
out.println("Actual Price(in US Dollars) | ");
out.println("Discount(% in Percentage) | ");
out.println("Your Price(in US Dollars) |
");
bookCart = cart.getBooksCart();
System.out.println("Book Cart of size "+bookCart.size()+" is...");
for(int i = 0; i < bookCart.size(); i++) {
ReturnSet set = (ReturnSet)bookCart.elementAt(i);
System.out.println( "code = " +set.code +
" Title = " +set.title +
" Author = " +set.authors);
out.println("");
out.println("| " + set.code);
out.println(" | "+set.title);
out.println(" | "+set.authors);
out.println(" | $"+set.price);
out.println(" | "+set.discount+ " %");
out.println(" | $"+set.ourPrice);
out.println(" |
");
}
out.println("
");
out.println("");
out.println("You have selected "+ cart.getNumberBooks() +
" books for a total cost of $"+ cart.getBooksTotal() + "
");
out.println("");
out.println("List of Music CDs Available-Make your Selection
");
out.println("");
out.println("");
out.println("Albums you added to your Shopping Cart
");
out.println("");
out.println("");
out.println("| code | ");
out.println("Album Title | ");
out.println("Composer(s) | ");
out.println("Actual Price(in US Dollars) | ");
out.println("Discount(% in Percentage) | ");
out.println("Your Price(in US Dollars) |
");
musicCart = cart.getMusicCart();
System.out.println("Book Cart of size "+musicCart.size()+" is...");
for(int i = 0; i < musicCart.size(); i++) {
ReturnSet set = (ReturnSet)musicCart.elementAt(i);
System.out.println( "code = " +set.code +
" Title = " +set.title +
" Author = " +set.authors);
out.println("");
out.println("| " + set.code);
out.println(" | "+set.title);
out.println(" | "+set.authors);
out.println(" | $"+set.price);
out.println(" | "+set.discount+ " %");
out.println(" | $"+set.ourPrice);
out.println(" |
");
}
out.println("
");
out.println("");
out.println("You have selected "+ cart.getNumberAlbums() +
" CD Albums for a total cost of $"+ cart.getAlbumsTotal() + "
");
out.println("
");
out.println("Total Price of Items selected = $"+ cart.getGrandTotal() + "
");
out.println("");
out.println("");
}
}