Application modernization - any experieence

[shahar mor <shahar_mor@xxxxxxxxx>]

Hey all,

I have a vell constructed big ile rpg application. The logic and the
presentation are seperated  .

My goal is to use java to modernize the application with the following
principles:

1. Maximum reuse of current logic is a must.(budget :))
2. The presentation layer should match the current
   display files BUT only with items not with behaviour. (Use the same
fields on the screen but with "field mode" and not block mode).
3. Can be done in stages. That is, on first stage can we change some
presentation and use current "green screens" for other parts(i know is
sounds weird..).
4. Since the logic is RPG based portability is not a requirment.
5. Should be ready for future distributed object technology ??

Where do i start from ? i read the papers describing several pardigms
but i'll be glad to get some reponses from people with the same
problem.

TIA for any input on this issue.
===
Shahar mor
consultant
YUVAL INFORMATION SYSTEM
YAHUD - israel
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