Re: Java Constants in RPG

Hi,

its possible, by using the java reflection APIs, but why don't you use 
java??? It would be more easy to learn java than programming work arounds 
with a mix of rpg and java!!!

Dieter


On Tuesday 08 July 2003 02:05, you wrote:
> > How do I reference built in static final fields in Java objects/classes
> > from RPG?
>
> It's possible to do this using JNI calls, but it's not easy.  Personally,
> I would just write some simple classes that get these fields, and then you
> can just call them when you need them.  Or, if these are just constants
> that'll never change, maybe create a /copy file to define the same
> constants in RPG.
>
> In case you are interested in retrieving them using JNI, here's an excerpt
> from the ILE RPG Programmer's Guide:
>
>     Accessing Fields in Java Classes
>
>     RPG only supports calling Java methods; it does not support accessing
>     Java fields. Normally, fields can be accessed through "get" and
>     "set" methods, but it is also possible to access fields using JNI
>     calls.
>
> It then proceeds to give an example of using the JNI calls to get some
> fields.
>
> I found this in Chapter 11 of the ILE RPG Programmers Guide, which is
> online here:
> http://publib.boulder.ibm.com/iseries/v5r2/ic2924/info/rzahgrpgcode.htm
>
> In chapter 11, I went to "RPG and Java" and then "Advanced JNI coding".
> Good Luck...
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-- 
mfG

Dieter Bender


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