Re: Java Constants in RPG

[Dieter.Bender@xxxxxxxxxxx (Dieter Bender)]

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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