import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import database.*;
import cart.ShoppingCart;
public class MusicCatalogServlet extends HttpServlet {
public void doGet (HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException
{
int Start = 0;
// Get the user's session and shopping cart
HttpSession session = request.getSession(true);
ShoppingCart cart = (ShoppingCart)session.getValue(session.getId());
// If the user has no cart, create a new one
if (cart == null) {
cart = new ShoppingCart();
session.putValue(session.getId(), cart);
}
// set content-type header before accessing the Writer
response.setContentType("text/html");
PrintWriter out = response.getWriter();
// then write the data of the response
out.println("" +
" Musics Catalog " +
"" +
"The Music U Want ...
");
//Data on the musics are from the database servlet
MusicDBServlet database = (MusicDBServlet)
getServletConfig().getServletContext().getServlet("musicdb");
// Additions to the shopping cart
String musicToAdd = request.getParameter("Buy");
if (musicToAdd != null) {
MusicDetails music = database.getMusicDetails(musicToAdd);
cart.add(musicToAdd, music, "music");
out.println("" +
"" +
"Added " + music.getTitle() + " "+
"to Shopping Cart");
}
//Give the option of checking cart or checking out if cart not empty
if (cart.getNumberOfItems() > 0) {
out.println("
" +
"| Check Shopping Cart | " +
" | " +
" Buy your Musics | " +
"
" +
"" +
"" +
"" +
"");
// Additions to the shopping cart
String Page = request.getParameter("Page");
if (Page == null) {
out.println("" +
"| 1 " +
" 2 ");
Start = 0;
}
String two = "2";
String one = "1";
if(Page != null){
if(Page.equals(one)) {
out.println("" +
" | 1 " +
" 2 ");
Start = 0;
}
if(Page.equals(two)) {
out.println("" +
" | 1 " +
" 2 ");
Start = 5;
}
}
out.println("" +
"
page count: 2 | " +
" " +
"
" +
" | " +
"
");
MusicDetails[] musics = database.getMusicsSortedByTitle();
int numMusics = database.getNumberOfMusics();
for(int i=Start; i < (Start + 5); i++) {
String musicId = musics[i].getMusicId();
//Print out info on each music in its own two rows
out.println("" +
"" +
"| " +
"" + musics[i].getTitle() + "" +
" | " +
"" +
" | " +
"" +
"Add To Shopping Cart" +
"" +
" | " +
"
" +
"" +
"" +
"" +
"" +
"| | " +
"" +
"Price Range:" + musics[i].getPrice() + "
Authors: " + musics[i].getFirstName() + " " + musics[i].getSurname() + "
" +
"Company"+musics[i].getCompany()+"
" +
"Review:"+musics[i].getDescription()+"
" +
"" +
" | " +
" " +
" " +
" | " +
"
");
}
out.println("
");
out.close();
}
public String getServletInfo() {
return "The Catalog servlet adds musics to the user's " +
"shopping cart and prints the catalog.";
}
}