Prentice Hall and Sun Microsystems. Personal use only; do not redistribute.

9.4 An On Line Store Using a Shopping Cart and Session Tracking

213

Listing 9.2 CatalogPage.java (continued)

  /** POST and GET requests handled identically. */

  public void doPost(HttpServletRequest request,

                     HttpServletResponse response)

      throws ServletException, IOException {

    doGet(request, response);

  }

}

Listing 9.3 KidsBooksPage.java 

package coreservlets;

/** A specialization of the CatalogPage servlet that

 *  displays a page selling three famous kids book series.

 *  Orders are sent to the OrderPage servlet.

*/

public class KidsBooksPage extends CatalogPage {

  public void init() {

    String[] ids = { "lewis001", "alexander001", "rowling001" };

    setItems(ids);

    setTitle("All Time Best Children's Fantasy Books");

  }

}

Listing 9.4 TechBooksPage.java 

package coreservlets;

/** A specialization of the CatalogPage servlet that

 *  displays a page selling two famous computer books.

 *  Orders are sent to the OrderPage servlet.

*/

public class TechBooksPage extends CatalogPage {

  public void init() {

    String[] ids = { "hall001", "hall002" };

    setItems(ids);

    setTitle("All Time Best Computer Books");

  }

}

Second edition of this book: www.coreservlets.com; Sequel: www.moreservlets.com.

Servlet and JSP training courses by book's author: courses.coreservlets.com.