RE: Convert JSON object to String.

I generally don't discuss our products on the list, but since Henrik mentioned it, I will comment.

Yes. We have a solution that will allow node.js code to be called as if it were an ILE program. And yes, our solution also allows ILE programs/procedures to be called from node.js.

If this interests you, please feel free to contact me off list.

Brian May
Director
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Profound Logic Software
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-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Henrik Rützou
Sent: Friday, September 15, 2017 11:00 AM
To: RPG programming on the IBM i (AS/400 and iSeries) <rpg400-l@xxxxxxxxxxxx>
Subject: Re: Convert JSON object to String.

YAJL is one of two thing:

1. A processor the reads through a JSON structure and returns values in nodes.
2. A JSON generator that generates JSON in a buffer.

It has no Object Oriented capabilities so if you want to extract part of a JSON structure you are simply using a wrong programming language.

Javascript/node.js support this nativly since JSON is a text notation of a javascript object and you are ablte to extract any part of the javascript object and the serialize it back to JSON.

So use RPGLE to simple process/generation of JSON and node.js to advanced process/ generation of JSON. And yes, you may call node.js modules from RPGLE and vice versa using profounds connector.


On Fri, Sep 15, 2017 at 5:10 PM, Bradley Stone <bvstone@xxxxxxxxx> wrote:

You could just make you're own log as you spin through the array. Or
do you want to save the exact JSON array as it is? That may be difficult.

If that's the case I'd just save the whole thing for the log. Saving
a array node to a string would take a little extra work. If you look
through the YAJL code you may be able to see how to do it.

Bradley V. Stone
www.bvstools.com
MAILTOOL Benefit #9 <https://www.bvstools.com/mailtool.html>: Superior
debugging (when using MAILTOOL Plus) - Bypassing the IBM SMTP server
means that we can fully debug and track down sometimes hard to find problems.
Even the Trace TCP/IP Application (TRCTCPAPP) command won't be this
detailed!


On Fri, Sep 15, 2017 at 9:28 AM, Slanina, John <jslanina@xxxxxxxxxx>
wrote:

Bradley,

It is a web service call using RXS-XML library the whole JSON
Document comes back in a string.
With I then I do this code.

But I want the array element node "VAL" to be logged not docnode.

docNode = yajl_buf_load_tree(%addr(gXmlResponse:*data) :
%len(gXmlResponse) : JsonErrMsg);
Node = YAJL_object_find(docNode : 'found');

if YAJL_IS_TRUE(Node);
//
// Update NextPage
//
chain (Subscription_P) ofsupd01 ofsupd01Ds;
if not %found(ofsupd01);
exsr Exitpgm;
endif;

Node = YAJL_object_find(docNode : 'nextPage');
nextPage = YAJL_get_string(Node);

ofsupd01Ds.nextPage = nextPage;
ofsupd01Ds.LastPollDate = %dec(%date():*cymd);
ofsupd01Ds.LastPollTime = %dec(%Time():*ISO);
ofsupd01Ds.LastPollStatus = 'G';

update ofsup01f ofsupd01Ds;

items = YAJL_object_find(docNode: 'items');

i = *zeros;

dow YAJL_ARRAY_LOOP( items : i: val );
Node = YAJL_object_find(Val : 'eventType');
eventType = YAJL_get_string(Node);

clear oftrtv01Ds;
chain (Subscription_P : eventType) oftrtv01 oftrtv01Ds;
if %found(oftrtv01);
if oftrtv01Ds.Program <> 'NA' and oftrtv01Ds.status = 'A';
monitor;
writeJobLog('Calling ' + %trim(eventType) + ' ' +
%trim(oftrtv01Ds.Program) + X'25');
program(eventType : val );
on-error;
writeJobLog('*** ERROR *** Calling ' + %trim(eventType) + '

' +

%trim(oftrtv01Ds.Program) + X'25');
endmon;
endif;
endif;
enddo;
endif;


Val is the one I want to convert to a string which is an Object not
a string .

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