1. Virtual Ticketing Agents using Web Services and J2EE Advisor: Dr. Chung-E-Wang Date: 05/06/03 Naveen Repala

2. Agenda Purpose Introduction to Web Services How Web Services Work Web Services Communication Web Services Advantages J2EE Architecture & Overview Project Design Overview Improvements Summary

3. Purpose Design and Implement a platform independent web based e-commerce application Exposing the methods of the application as a Web Service Should be able to access from any kind of user who uses the Internet

4. Web Services Web services are a type of service that can be shared by and used as components of distributed web-based applications Software system identified by a URI Public interfaces and bindings are defined and described using XML The definition can be discovered by other software systems

5. Service Provider BROKERBROKER Service Requester Deploy Find Bind How Web Services work

6. Web Services Communication Web Services Descriptive Language (WSDL) Simple Object Access Protocol (SOAP) Universal Description, Discovery and Integration (UDDI) Extensive Style sheet Language Transformations (XSLT)

7. Advantages of Web Services 1. Interoperable 2. Ease of Use 3. Reusable 4. Ubiquitous

8. J2EE Architecture

9. J2EE Overview Containers and Services Security Model Transaction Model JNDI Look Up Services Remote Connectivity Container Types EJB Container Web Container Client Container Applet Container

10. Project Design Buyer Registration LoginGet Flight Info Seller Registration VITA Buyer Seller CityFlightTime Search Flights Add NewUpdate Profile Update Flight Status Update Profile Purchase Ticket

11. Improvements Expose all the methods as a web service Security Different Client Applications

12. Summary Concept of Web Services and J2EE How we can apply Web Services and J2EE to Web Based Applications like Virtual Ticketing Agents