Re: Returning error messages from RPG III to Java

Why not just convert to RPG IV? Why would you leave a program in RPG III if
you are maintaining it?

I don't see how you go do anything from RPG III to Java without creating
some kind of wrapper program to get the data (maybe put in a data queue and
read it back in the RPG III).

On Thu, Aug 19, 2010 at 2:45 PM, Jeff Wurst <jwurst@xxxxxxxxxxx> wrote:

Thanks in advance for any pointers on this.



I have an old RPG III program that has a green screen and displays
messages from a message file in a message subfile at the bottom of the
screen. I need to retrofit the program to provide the option to suppress
the screen so that it can be called from a new Java program. The RPG
program still needs to do its normal validation of the business rules
and, with no user interface displayed, it needs to report back error
messages to the calling program.



The ProgramCall class has a getMessageList function. Is there any way to
load messages into this without crashing the RPG program? Is there a
normal way to accomplish my goal? I can always add program parameters or
use the LDA, but those options will introduce an upper limit on the
number of error messages that I can return.

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