A Presentation Presentation On JSP On JSP & Online Shopping Cart Online Shopping Cart

What is JSP? Mostly HTML page, with extension.jsp Include JSP tags to enable dynamic content creation Translation: JSP → Servlet class Compiled at Request time (first request, a little slow) Execution: Request → JSP Servlet's service method

Client request Jsp Engine & Web-server Jsp File Component response request response request Data passed between client & server Jsp architecture

Why JSPs? Goal: Create dynamic web content (HTML, XML,...) for a Web Application Goal: Make it easier/cleaner to mix static HTML parts with dynamic Java servlet code JSP specification ver. 2.0 Java Servlet specification ver. 2.4

Advantages Code -- Computation HTML -- Presentation Separation of Roles Developers Content Authors/Graphic Designers/Web Masters Supposed to be cheaper... but not really...

Action Elements Standard Actions Custom Actions

Standard Actions Gets a property value from a JavaBeans component and adds it to the response Set a JavaBeans property value Includes the response from a servlet or JSP page during the request processing phase Forwards the processing of a request to servlet or JSP page

Custom Actions (Tag Libraries) Can Define Your own! Description Define Install Declare Use

Shopping Cart Application  The Shopping Cart application enables an end user to search a specific book in an online data base, place an order for it and also purchase it online.  The application also enables you to manage a data stored in a database for the online displayed books, such as:- adding a book, adding a book category, modifying the book information.

 To create the Shopping Cart application, we have used:- JSP as server side scripting language, JavaScript for client side data validations, HTML for data display, Oracle as the database to store information.

Database Connectivity  Step1: loading a database driver  Step2: creating a oracle jdbc connection  Step3: creating a JDBC statement object  Step4: executing a SQL statement with the statement object, and returning a JDBC result.

CODD RULES  The Information Rule  Guaranteed Access Rule  Systematic treatment of null values  The database catalog must be relational too  The system must implement a comprehensive data sublanguage  Data views must be updatable

 High level insert,update and delete  Physical data independence  Logical data independence  Integrity independence Entity integrity Refrential integrity  Distribution independence  Nonsubversion

Thank You.!