CICS Web Enablement

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About this class

Delegates will be able to code the programming changes required to run 3270 based transactions from the Internet/Intranet and to code new Web aware programs using the CICS WEB and DOCUMENT API.

Who will the lesson benefit?

This course is designed for students wanting to know more about the CICS Web Services and the facilities they offer, including how to code, manage, plan for and develop standards.

What prerequisites are required

The participant should have a sound understanding of the CICS environment. Some internet experience would be advantageous but is not essential.

Contents of this class

Why Use CICS With The Internet?

Introduction To The Internet TCP/IP

• Web Browsers
• HTML and URLs
• HTTP and Ports
• Javascript
• Java and Applets

Overview Of CICS Web Services Technologies

• CICS Web Services
• Websphere Web Server
• 3270 Bridge
• BMS/HTML and new DFH macros
• Front End Programming Interface(FEPI)
• External Call Interface(EXCI)
• External Presentation Interface(EPI)

Application Design Considerations

• Re-using existing applications
• Applications with separate business and presentation logic
• Applications without separate presentation logic
• Transaction construction considerations
• Security
• Digital Certificates
• Encryption

Session Management (Pseudo-Conversational Programs)

• Cookies vs Temp Storage vs Commarea
• New TS Management and CICS Commands
• Garbage Collection
• Time Out considerations

Web Application Programming Services

• TCPIPSERVICE/DOCTEMPLATE definitions
• CWS Listener CSOL and CWXN
• IBM Standard URL
• Hard vs Soft URLs
• NEW EXEC CICS WEB and DOCUMENT Commands
• Sample Programs

Workshops

• Review of the CICS definitions and URL layout required to drive the CWS
• Running CICS Supplied Transactions using the 3270 BRIDGE
• Legacy - Web Unaware Programs
• Creating HTML templates from BMS code
• Exporting and importing the HTML template to Notepad on a PC
• Modifying HTML output using New BMS DFH MACROS
• Testing 3270 based transactions using the 3270 BRIDGE
• New - Web Aware Programs
• Code HTML templates in Notepad on the PC
• Code programs on the Mainframe
• Run and test the programs from a Browser on the Internet/Intranet

CICS Web Enablement / CCWE (CCWEGB)

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