WebsydianExpress™

for RPG Developers

Presenter

Niels P. Sorensen

Product Manager, Websydian

Lead Architect

Developer for many years in languages like

RPG, Cobol, C/C++, Java, Plex and Pascal

Introduction

• It’s all about web development on IBM i• Web development in the most natural language for IBM i

developers - RPG• Web development without the need to know everything

about web servers, CGI, Session management, user management etc.

• It’s about the WebsydianExpress platform and framework for IBM i

What is provided for the RPG developer

• A similar approach as developing for 5250• Separation of RPG code and web page layout• No web technology hassle

– Session management– Security

• Allow the developer to focus on one part of the web application (Business Process)

• An extensive set of APIs

What is provided by WebsydianExpress™

• Easy installation• Web site out-of-the-box• Execution environment for your web application• User and role based authorization system• Presentation layer (role based layout, language support)• Web based administration interface• Extendable infrastructure

A web application

2E workshop – Jan 2010

RPGSecurity

User managment

Session control

Administration

Transport layer

MenuLogin

Design

Authorization system

WE and web applications

2E workshop – Jan 2010

RPGSecurity

User managment

Session control

Administration

Transport layer

MenuLogin

Design

Authorization system

What does the RPG developer need to know

• Seven basic API’s• HTML templates

– Externally described layout (very much like a DDS but layout can vary a lot)

– Replacement markers represents values from programs

– Page Modeler generates first cut for developer• Values send and recieved are string based, conversion

is required (API’s provided)• Validate all input fields for improved stability and security

An example and a look at the code

• Maintain Horse– Grid page (just like a subfile page)– Update page– Insert page– Delete page

• Live demo

Application in action

Templates

PageGenerator

Replacement Process

Replacement Process

Template

<table class="detail"> <tr> <td colspan="3"> /(WPNAME) <img src="/(WSRESURL)/(WPNAME).jpg“> </td> </tr> <tr> <td>/(WPGEND)</td> <td>/(WPDATE)</td> <td>/(WPVAL)</td> </tr></table>

<table class="detail"> <tr> <td colspan="3"> Bonfire <img src="/express30_windows/res/Bonfire.jpg“> </td> </tr> <tr> <td>Male</td> <td>2001-12-15</td> <td>5000,00</td> </tr> </table>

Output to browser

Read template

ReplacementMarker

ReplacementMarker

1

2

3

The Program Structure

WPGHRS00

WLBHRS

WEVHRS00UP

WEVHRS00DL

WEVHRS00IN

HTMLTemplate

Administration interface

WEBHORSEBPInitial load (menu item)by WebsydianExpress

The Program Structure Cont.

WPGHRS02

WLBHRS

WEVHRS02UP

WEVHRS02CA

HTMLTemplate

Initial loadcalled by gridpage

Administration interface

The Page Modeler

• Model and generate first cut HTML template

Administration interface

Getting started

• Register at http://www.websydian.com• In the download section download WebsydianExpress

for iSeries• Follow the installation guide provided• Check out the tutorial and try it out

http://www.websydian.com/websydiandoc/v61• Send questions to support@websydian.com

• Licensing based on pay as you grow• 10 concurrent sessions free of charge

Questions and Answer

?