import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import database.*;
import cart.ShoppingCart;
public class BookDetailServlet extends HttpServlet {
public void doGet (HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException
{
// 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 response
out.println("" +
"Book Description" +
"" +
"" +
"
" +
"" +
"Book Details..." +
"
" +
"" +
"
");
//Get the identifier of the book to display
String bookId = request.getParameter("bookId");
if (bookId != null) {
// and the information about the book
BookDBServlet database = (BookDBServlet)
getServletConfig().getServletContext().getServlet("bookdb");
BookDetails bd = database.getBookDetails(bookId);
//Print out the information obtained
out.println("" + bd.getTitle() + "
" +
" By " + bd.getFirstName() + ", " +
bd.getSurname() + " " +
"(" + bd.getYear() + ")
" +
"Here's what the critics say:
" +
"" + bd.getDescription() +
"
" +
"Our price: $" + bd.getPrice() + "
" +
"" +
" Add this item to your shopping cart.
" +
"");
}
out.println("");
out.close();
}
public String getServletInfo() {
return "The BookDetail servlet returns information about" +
"any book that is available from the bookstore.";
}
}