test

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package servlets;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.List;
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import javax.servlet.RequestDispatcher;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import com.bittercode.model.Book;
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import com.bittercode.model.UserRole;
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import com.bittercode.service.BookService;
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import com.bittercode.service.impl.BookServiceImpl;
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import com.bittercode.util.StoreUtil;
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public class StoreBookServlet extends HttpServlet {
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    // book service for database operations and logics
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    BookService bookService = new BookServiceImpl();
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    public void service(HttpServletRequest req, HttpServletResponse res) throws IOException, ServletException {
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        PrintWriter pw = res.getWriter();
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        res.setContentType("text/html");
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        // Check if the customer is logged in, or else return to login page
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        if (!StoreUtil.isLoggedIn(UserRole.SELLER, req.getSession())) {
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            RequestDispatcher rd = req.getRequestDispatcher("SellerLogin.html");
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            rd.include(req, res);
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            pw.println("<table class=\"tab\"><tr><td>Please Login First to Continue!!</td></tr></table>");
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            return;
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        }
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        try {
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            // Add/Remove Item from the cart if requested
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            // store the comma separated bookIds of cart in the session
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            // StoreUtil.updateCartItems(req);
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            RequestDispatcher rd = req.getRequestDispatcher("SellerHome.html");
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            rd.include(req, res);
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            pw.println("<div class='container'>");
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            // Set the active tab as cart
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            StoreUtil.setActiveTab(pw, "storebooks");
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            // Read the books from the database with the respective bookIds
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            List<Book> books = bookService.getAllBooks();
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            pw.println("<div id='topmid' style='background-color:grey'>Books Available In the Store</div>");
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            pw.println("<table class=\"table table-hover\" style='background-color:white'>\r\n"
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                    + "  <thead>\r\n"
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                    + "    <tr style='background-color:black; color:white;'>\r\n"
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                    + "      <th scope=\"col\">BookId</th>\r\n"
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                    + "      <th scope=\"col\">Name</th>\r\n"
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                    + "      <th scope=\"col\">Author</th>\r\n"
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                    + "      <th scope=\"col\">Price</th>\r\n"
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                    + "      <th scope=\"col\">Quantity</th>\r\n"
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                    + "      <th scope=\"col\">Action</th>\r\n"
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                    + "    </tr>\r\n"
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                    + "  </thead>\r\n"
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                    + "  <tbody>\r\n");
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            if (books == null || books.size() == 0) {
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                pw.println("    <tr style='background-color:green'>\r\n"
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                        + "      <th scope=\"row\" colspan='6' style='color:yellow; text-align:center;'> No Books Available in the store </th>\r\n"
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                        + "    </tr>\r\n");
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            }
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            for (Book book : books) {
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                pw.println(getRowData(book));
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            }
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            pw.println("  </tbody>\r\n"
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                    + "</table></div>");
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        } catch (Exception e) {
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            e.printStackTrace();
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        }
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    }
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    public String getRowData(Book book) {
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        return "    <tr>\r\n"
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                + "      <th scope=\"row\">" + book.getBarcode() + "</th>\r\n"
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                + "      <td>" + book.getName() + "</td>\r\n"
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                + "      <td>" + book.getAuthor() + "</td>\r\n"
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                + "      <td><span>&#8377;</span> " + book.getPrice() + "</td>\r\n"
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                + "      <td>"
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                + book.getQuantity()
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                + "      </td>\r\n"
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                + "      <td><form method='post' action='updatebook'>"
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                + "          <input type='hidden' name='bookId' value='" + book.getBarcode() + "'/>"
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                + "          <button type='submit' class=\"btn btn-success\">Update</button>"
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                + "          </form>"
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                + "    </tr>\r\n";
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    }
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}
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