Thanks to all who replied with suggestions. With the help of a college we figured out how to get the class variable set by using the JNI findClass procedure.
QDCXLATE( %size(l6Class)
: l6Class
: 'QTCPASC');
hxplvl6Class = FindClass(JNIENV_P: l6Class);
Murali.Rao@xxxxxxxxxxxxxxxxxxxxx 8/25/2009 3:58:59 AM >>>
In our production system, I developed java methods in websphere j2e and used in RPG to call directly those methods using class path setup and JNI functions. We are successful in it and the programs are working great, super fast, I recently forced my RPG/JAVA programs to use 64 bit JVM from 6.1.
At present you can only prototype Java methods (not java class names), and if your method is static, then you must specify it in prototype.
See below my example code, which works great in our live iseries and doing the business.
dXMLString s like(stringObject)
dXMLData s 500a
djavaClassName c 'packageName.className
djavaMethodName c 'methodname'
*
dGetSomething...
d pr o class(*java:String)
d extproc(*java:
d javaClassName:
d javaMethodName)
d static
/free
XMLString = getSomething();
if XMLString <> *null;
XMLData = ConvertStringToBytes(XMLString);
endif;
Murali.
-----Original Message-----
From: java400-l-bounces@xxxxxxxxxxxx [mailto:java400-l-bounces@xxxxxxxxxxxx] On Behalf Of Chris Beck
Sent: 24 August 2009 18:59
To: java400-l@xxxxxxxxxxxx
Subject: Re: Help calling java from RPG
I just started playing with that but I just get a ClassNotFoundException. I did some googling on that and there are a number of people that have not been able to get that to work from RPG.
bmorris@xxxxxxxxxx 8/24/2009 12:20:48 PM >>>
Chris Beck wrote:
Hello,
I am creating a RPG program that calls multiple Java method from RPG
and am having problems with one of them. In the code snippet below I am wondering how to set the hxplvl6Class field to the propper value? in Java I would just use the following: "Hxplvl6 hxplvl6 = em.find(Hxplvl6.class, l6number);"
...
D hxplvl6Class S O CLASS(*JAVA : 'java.lang.Class' )
/Free
HxpLvl6 = find(em:hxplvl6Class:l6Number)
Chris, just a guess ... maybe the forName() method in java.lang.Class would work.
hxplvl6Class = forname('HxpLvl6');
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