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table of contents

Archives Table of Contents Page
Chapter 1: An Overview of Servlet and JSP Technology
Chapter 2: Server Setup and Configuration
Chapter 3: Servlet Basics
Chapter 4: Handling the Client Request: Form Data
Chapter 5: Handling the Client Request: HTTP Request Headers
Chapter 6: Generating the Server Response: HTTP Status Codes
Chapter 7: Generating the Server Response: HTTP Response Headers
Chapter 8: Handling Cookies
Chapter 9: Session Tracking
Chapter 10: Overview of JSP Technology
Chapter 11: Invoking Java Code with JSP Scripting Elements
Chapter 12: Controlling the Structure of Generated Servlets: The JSP page Directive
Chapter 13: Including Files and Applets in JSP Pages
Chapter 14: Using JavaBeans Components in JSP Documents
Chapter 15: Integrating Servlets and JSP: The Model View Controller (MVC) Architecture
Chapter 16: Simplifying Access to Java Code: The JSP 2.0 Expression Language
Chapter 17: Accessing Databases with JDBC
Chapter 18: Configuring MS Access, MySQL, and Oracle9i
Chapter 19: Creating and Processing HTML Forms
Appendix

Source Code Archive

Core Servlets and JavaServer Pages

Second Edition

Volume 1: Core Technologies

Chapter 9: Session Tracking

Complete source code for every example from this chapter, available free for unrestricted use. Live links to all URLs cited in the chapter. More information. To view source code for other chapters in this book, mouse over the table of contents bar on the left.

Source Code from Chapter

Note: right-click or shift-click on the links to download the associated file.

• ShowSession.java. Servlet that uses session tracking to keep per-client access counts. Also shows other info about the session.
• ShowItems.java. Servlet that displays a list of items being ordered. Accumulates them in an ArrayList with no attempt at detecting repeated items. Uses OrderForm.html to collect data.
• OrderForm.html. Front end to the ShowItems servlet.
• CatalogPage.java. Base class for pages showing catalog entries. Servlets that extend this class must specify the catalog entries that they are selling and the page title.
• KidsBooksPage.java. A specialization of the CatalogPage servlet that displays a page selling three famous kids-book series. Orders are sent to the OrderPage servlet.
• TechBooksPage.java. A specialization of the CatalogPage servlet that displays a page selling two famous computer books. Orders are sent to the OrderPage servlet.
• OrderPage.java. Servlet that records new item orders (if any) and then displays all items in the shopping cart.
• Checkout.html. Page that handles the final checkout. We recommend you edit this before using it.
• ShoppingCart.java. A shopping cart data structure used to track orders. The OrderPage servlet associates one of these carts with each user session.
• CatalogItem.java. Describes a catalog item for an online store. Elements of this class are indirectly stored in the ShoppingCart (after they are embedded within an ItemOrder).
• ItemOrder.java. Class that associates a catalog Iitem with a specific order by keeping track of the number ordered and the total price. Elements of this class are directly stored in the ShoppingCart (after each is populated with a CatalogItem).
• Catalog.java. A catalog that lists the items available in inventory.

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