import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import database.*;
import cart.ShoppingCart;
public class BookCatalogServlet extends HttpServlet {
public void doGet (HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException
{
int Start = 0;
int CurrPage = 1;
// 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("" +
" Books Catalog " +
"" +
"
Books We Have ...
");
//Data on the books are from the database servlet
BookDBServlet database = (BookDBServlet)
getServletConfig().getServletContext().getServlet("bookdb");
// Additions to the shopping cart
String bookToAdd = request.getParameter("Buy");
if (bookToAdd != null) {
BookDetails book = database.getBookDetails(bookToAdd);
cart.add(bookToAdd, book, "book");
out.println("" +
"" +
"Added " + book.getTitle() + " "+
"to Shopping Cart");
}
//Give the option of checking cart or checking out if cart not empty
if (cart.getNumberOfItems() > 0) {
out.println("
");
BookDetails[] books = database.getBooksSortedByTitle();
int numBooks = database.getNumberOfBooks();
for(int i=Start; i < (Start + 6); i++) {
String bookId = books[i].getBookId();
//Print out info on each book in its own two rows
out.println("" +
"
");
out.close();
}
public String getServletInfo() {
return "The Catalog servlet adds books to the user's " +
"shopping cart and prints the catalog.";
}
}