RE: (no subject) -- WDSCI-L

Thanks a bunch for the reply. I think I am highly interested in this part.

"Oh, and you can invoke methods in Java classes inside RPG programs. You have to 'prototype' the Java method (i.e., define the Java method inside the RPG program). Then the RPG program executes the Java method"

and the other way also. In the sense that calling RPG from Java and this is the whole purpose of me trying to get a better understanding of RPG.

From: Kelly Cookson <KCookson@xxxxxxxxxxxx> Reply-To: Websphere Development Studio Client for iSeries<wdsci-l@xxxxxxxxxxxx> To: "'Websphere Development Studio Client for iSeries'" <wdsci-l@xxxxxxxxxxxx> Subject: RE: [WDSCI-L] (no subject) Date: Wed, 8 Sep 2004 14:49:30 -0500 MIME-Version: 1.0 Received: from mail.midrange.com ([69.3.23.26]) by mc8-f19.hotmail.com with Microsoft SMTPSVC(5.0.2195.6824); Wed, 8 Sep 2004 12:52:37 -0700 Received: from linux.midrange.com (localhost [127.0.0.1])by mail.midrange.com (8.13.0/8.13.0) with ESMTP id i88JoPI2000603;Wed, 8 Sep 2004 14:50:25 -0500 Received: from il-exchange.dotfoods.com (il-exchange.dotfoods.com[207.140.118.26])by mail.midrange.com (8.13.0/8.13.0) with ESMTP id i88JnWZU000522for <wdsci-l@xxxxxxxxxxxx>; Wed, 8 Sep 2004 14:49:37 -0500 Received: by il-exchange.dotfoods.com with Internet Mail Service (5.5.2653.19)id <R062T5AS>; Wed, 8 Sep 2004 14:49:25 -0500 X-Message-Info: yilqo4+6kc4CHVoslKR9gNOAzK3FvIIf Message-ID: <7CB14609E99F9740951F663671A5876DB45395@xxxxxxxxxxxxxxxxxxxx> X-Mailer: Internet Mail Service (5.5.2653.19) X-Virus-Scanned: clamd / ClamAV version 0.75.1, clamav-milter version 0.75con linux.midrange.com X-Virus-Status: Clean X-BeenThere: wdsci-l@xxxxxxxxxxxx X-Mailman-Version: 2.1.5 Precedence: list List-Id: Websphere Development Studio Client for iSeries <wdsci-l.midrange.com> List-Unsubscribe: <http://lists.midrange.com/mailman/listinfo/wdsci-l>,<mailto:wdsci-l-request@xxxxxxxxxxxx?subject=unsubscribe> List-Archive: <http://archive.midrange.com/wdsci-l> List-Post: <mailto:wdsci-l@xxxxxxxxxxxx> List-Help: <mailto:wdsci-l-request@xxxxxxxxxxxx?subject=help> List-Subscribe: <http://lists.midrange.com/mailman/listinfo/wdsci-l>,<mailto:wdsci-l-request@xxxxxxxxxxxx?subject=subscribe> Errors-To: wdsci-l-bounces@xxxxxxxxxxxx Return-Path: wdsci-l-bounces@xxxxxxxxxxxx X-OriginalArrivalTime: 08 Sep 2004 19:52:38.0655 (UTC) FILETIME=[64E978F0:01C495DD]
It depends on how you want to accomplish.
My understanding of VisualAge RPG is that you can create GUIs that run on
PCs and call RPG programs on the iSeries in classic client-server fashion.
I've never used this tool. But it sounds cool.
I have used Toolbox for Java a little bit. This is a free package (.jar file) that comes with the iSeries or can be obtained as open-source under the name JTOpen. I have used Toolbox for Java to create Servlets that did things like authenticate users, execute CL commands, and turn DB2400 database files into XML or CSV files. These worked fine in Apache Jakarta Tomcat. I have recently learned how to make PHP classes call Java programs that use Toolbox classes. This lets me execute CL commands, call CL/RPG/Cobol programs, and so forth from Web pages. You could also create a Java GUI that uses Toolbox classes to access the iSeries.
As already mentioned by others, you can run Java programs natively on the
iSeries.
If you use Toolbox for Java or native Java programs, you might want to consider using PCML. PCML is an XML-based format for calling programs on the iSeries. I've heard it can be usefule for people making calls between Java and CL/RPG/Cobol programs. Never used it myself.

Oh, and you can invoke methods in Java classes inside RPG programs. You have to 'prototype' the Java method (i.e., define the Java method inside the RPG program). Then the RPG program executes the Java method.
Good luck,
Kelly
-----Original Message-----
From: wdsci-l-bounces@xxxxxxxxxxxx
[mailto:wdsci-l-bounces@xxxxxxxxxxxx]On Behalf Of Mike Troxclaire
Sent: Wednesday, September 08, 2004 1:59 PM
To: wdsci-l@xxxxxxxxxxxx
Subject: [WDSCI-L] (no subject)
Hello,
Sorry to contact you this way but I am stuck with a problem and was wondering if you guys may be able to point me in the right direction. I am a

Java programmer and I am trying to learn RPG so that I can call RPG modules/applications from my Java classes. I am a novice to "green screen" and have never dealt with it but I understand that to do what I want to do I
can do it using WDSC/CODE/400/VisualAge RPG. I have all these wonderful
tools at my disposal but I do not know where to start as I have never
programmed in RPG before. I would be extremely thankful for any advice that
you may have for me. Thanks again.
Thanks,
Mike.
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