Re: External RE: Web Service Return DS Array -- RPG400-L

Is this IWS you are using for deployment? I'm guessing but in future if it is please say so.

If so a better way than setting the response length (which will cause you ongoing maintenance issues) is to have your routine return a count of the number of elements and tell IWS to use that to control the output.

I can't point you at any articles or anything but the approach is detailed in a presentation that I give. If you email me direct I'll gladly send you a copy.

Jon Paris
Jon.Paris@xxxxxxxxxxxxxx

On May 12, 2025, at 10:06 AM, (WalzCraft) Jerry Forss <JForss@xxxxxxxxxxxxx> wrote:

Got it. Wasn't setting the Response_Length. :(

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of (WalzCraft) Jerry Forss
Sent: Monday, May 12, 2025 9:00 AM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: RE: External RE: Web Service Return DS Array

I did get that working.
Data in pgm looks good.

The service is getting back blanks so need to figure out what I have wrong.

{
"RESPONSE": [],
"FAIL": ""
}

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Jean-Marc DUVAL via RPG400-L
Sent: Monday, May 12, 2025 8:53 AM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Cc: Jean-Marc DUVAL <jean-marc.duval@xxxxxxxxxxx>
Subject: External RE: Web Service Return DS Array

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Hi,

Try something like that :

Dcl-pr WOMOrdTypR;
Envir Char(2);
data likeds data_t dim(20);
Fail Char(100);
End-pr;

Dcl-pi WOMOrdTypR;
Envir Char(2);
data likeds data_t dim(20); Fail Char(100);
End-pi;

dcl-ds data_t template ;
Type Char(2);
Description Char(25);
End-ds;

-----Message d'origine-----
De : RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> De la part de (WalzCraft) Jerry Forss Envoyé : lundi 12 mai 2025 14:56 À : RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx> Objet : Web Service Return DS Array

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Hi All

Cross posting to Web list as well.

In my current pgm that is called from my Web Server I return arrays for each element.

I want to return a DS array instead.

Current Parameters

Dcl-pr WOMOrdTypR;

Envir Char(2);

Type Char(2) Dim(20);

Description Char(25) Dim(20);

Fail Char(100);

End-pr;

Dcl-pi WOMOrdTypR;

Envir Char(2);

Type Char(2) Dim(20);

Description Char(25) Dim(20);

Fail Char(100);

End-pi;

Which returns this from the service

{

"TYPE": [

"DS",

"EX",

"LT",

"NC",

"RM",

"RW",

"SL",

"",

"",

"",

"",

"",

"",

"",

"",

"",

"",

"",

"",

""

],

"DESCRIPTION": [

"Drop Ship",

"Expedited Order",

"Literature Packed",

"No Charge",

"Remake",

"Re-Work",

"Standard Lead",

"",

"",

"",

"",

"",

"",

"",

"",

"",

"",

"",

"",

""

],

"FAIL": ""

}

I want it to return

[

{

"TYPE": "DS",

"DESCRIPTION": "Drop Ship"

},

{

"TYPE": "EX",

"DESCRIPTION": "Expedited Order"

},

{

"TYPE": "LT",

"DESCRIPTION": "Literature Packed"

}

]

How do I define this as a DS so the service returns what I want?
I am looking for some good documentation on templates, I am assuming this is what I want but have never used it.

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