IBM System i Application Modernization: Building a New Interface to Legacy Applications

This IBM Redbook examines many different alternatives for accessing your IBM System i legacy applications. It provides recommendations for selecting different tools and technologies based on your existing environment and the goals that you are trying to achieve. It covers the IBM WebSphere -based solutions, such as IBM Host Access Transformation Services (HATS) and JavaServer Faces (JSF), as well as rich-client and PHP solutions.

The parts of this redbook are designed for company CIOs, architects, and developers. Within these parts, this redbook provides guidance for those who are selecting the most suitable alternative for their existing IT environment. This redbook also demonstrates the process of creating a sample application using a specific technology. For those who are interested in a more detailed information, this redbook points to other publications and online materials.

Part 1. Looking at the alternatives
Chapter 1. Why you should consider new application interfaces
Chapter 2. Modernizing System i legacy applications: Common business scenarios
Part 2. Using IBM solutions
Chapter 3. Host Access Transformation Services
Chapter 4. The IBM WebFacing Tool
Part 3. Designing a new user interface
Chapter 5. Before you create a new user interface
Chapter 6. Application architecture, design, and implementation
Chapter 7. Designing a Web services interface
Chapter 8. Designing a JavaServer Faces-based interface
Chapter 9. Designing a portlet client
Chapter 10. Designing a rich-client interface
Chapter 11. Designing a PHP client
Appendix A. Additional material

• IBM WebSphere Application Server V6.1 Security Handbook, SG24-6316-01
• WebSphere Version 6 Web Services Handbook Development and Deployment, SG24-6461-00
• Deployment Guide Series: IBM Tivoli Storage Manager V5.5, SG24-7379-01

Publish Date
22 September 2006

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Author(s)

Guenther Hartung is an independent IT professional and owner of UBHartung IT-Beratung in Berlin, Germany. He is skilled in a variety of products and technologies including DB2, Java, RPG, Extensible Markup Language (XML), Java 2 Platform, Enterprise Edition (J2EE), Web services, Eclipse, and WebSphere products in general. He is an author of technical articles and teaching materials as well as a speaker at technical conferences. Guenther has about 20 years of experience as a programmer and project leader using several programming languages, database management systems, and operating systems. He joined IBM Germany in 1990 as an instructor for IBM eServer iSeries application development with IBM Learning Services. He left IBM Germany in 2002 and continues to teach modern iSeries development for IBM in addition to his own work as a consultant for application modernization. Guenther holds a science degree in mathematics from the university of Jena, Germany. To contact Guenther, send e-mail to hartung@ubhartung.de.

• Guenther Hartung

Rolf Andre Klaedtke is an independent IT Specialist and owner of RAK Software, Consulting & Publishing in Kreuzlingen, Switzerland. He has a commercial background and accumulated over 20 years of experience in the IT industry initially starting as a software developer using RPG and CL on IBM S/38. He has used a wide array of database management system (DBMS), tools, and languages. In recent years, he concentrated on Web development, mostly using PHP and cascading style sheets (CSS), as well as on C#.NET. He is an author and the publisher of PowerTimes and has organized technical conferences and user group meetings in Switzerland. You can contact Rolf by sending e-mail to r.klaedtke@raksoft.ch.

• Rolf Andre Klaedtke

Elena Lowery is a Technical Consultant in the IBM eServer Solutions Enablement organization at IBM Rochester. She helps IBM Business Partners implement various WebSphere technologies on the iSeries server. Her areas of expertise include WebSphere Application Server, WebSphere Portal Server, Web services, and Java development. You can send e-mail to Elena at elowery@us.ibm.com.

• Elena Lowery

Estela McCarty is a Computer Consultant for the EMEA Custom Technology Centre (CTC) located in La Gaude, France. For the past three years, she has been involved with the Web-enabling solutions (HATS, iSeries Access for Web, IBM WebFacing Tool, and WebSphere Portal Server) on the iSeries server. Estela conducts technical workshops for IBM Clients and Business Partners across EMEA. She was an AS/400 RPG application developer and systems analyst for nine years with IBM New Zealand and worked with the telecommunications, manufacturing, insurance, and education industries. Estela is also a Certified IBM Solution Developer for WebSphere Development Studio Client for iSeries. You can reach Estela by sending e-mail to EstelaMcCarty@fr.ibm.com.

• Estela McCarty

Els Motmans is an advisory IT Specialist for IBM Global Services in Belgium, specializing in Application Management Services. She has 14 years of experience as a System i developer in RPG and COBOL. She joined IBM in 2000 to develop banking sector applications on the iSeries server, from the requirements definition over functional and technical analysis to coding and testing. Her areas of business expertise include accounting, inventory control, purchase management, stock exchange, and travel business. Els invented and improved several source code skeletons for standardization and increased productivity in application development and maintenance. You can contact Els by sending e-mail to els_motmans@be.ibm.com.

• Els Motmans

Aleksandr Nartovich is a Senior IT Specialist in the IBM ITSO, Rochester Center. He joined the ITSO in January 2001 after working as a developer in the IBM WebSphere Business Components organization. During the first part of his career, Aleksandr was a developer in AS/400 communications. Later, he shifted his focus to business components development on WebSphere. Aleksandr holds two degrees: one in computer science from the University of Missouri-Kansas City and the other in electrical engineering from Minsk Radio Engineering Institute. You can reach Aleksandr by sending e-mail to alekn@us.ibm.com.

• Aleksandr Nartovich

ISBN

0738494844

IBM Form Number
SG24-6671-00

Number of pages
308