Re: CNVRTTMP.RPGLE has no xml or json -

That is good to know. I will have to put some time around to play with it again. Is there a more recent version of this article? This is where I got that limitation.

https://www.ibm.com/developerworks/ibmi/library/i-rest-web-services-server2/index.html


-----Original Message-----
From: WEB400 [mailto:web400-bounces@xxxxxxxxxxxx] On Behalf Of Nadir Amra
Sent: Tuesday, November 06, 2018 9:39 AM
To: Web Enabling the IBM i (AS/400 and iSeries)
Subject: Re: [WEB400] CNVRTTMP.RPGLE has no xml or json -

Just a clarification.

IWS does not require you to return JSON or XML. You can return anything you want. However, if returning binary data it would need to be base64 encoded AND the appropriate HTTP headers set.



"WEB400" <web400-bounces@xxxxxxxxxxxx> wrote on 11/06/2018 08:30:12 AM:

From: Kevin Bucknum <Kevin@xxxxxxxxxxxxxxxxxxx>
To: "Web Enabling the IBM i (AS/400 and iSeries)"
<web400@xxxxxxxxxxxx>
Date: 11/06/2018 08:31 AM
Subject: Re: [WEB400] CNVRTTMP.RPGLE has no xml or json - Sent by:
"WEB400" <web400-bounces@xxxxxxxxxxxx>

Soap is a standard. It specifies how you should ask for the data, and
how the data has to look when you return it. It also provides for
discovery services.

Rest is a way of doing things. There isn't a standard. Rest is about
simplifying the process down to basic transactions, and letting you
decide how to request what you want, and how to return it.

IWS is IBM's application server that acts as middleware. It imposes
its own requirements on the process. I haven't ever actually used IWS
for production, but did play around with it a (long) while ago.
At the time as I recall, Soap was the only option, and after playing
around with it, it was overkill for what I needed.

Fundamentally web services are just the process of sending or
requesting data via HTTP. The basic requests that browsers use to
post forms and get data could even be considered Rest. Soap is like an
envelope. You have to address it correctly, you have to put the stamp
in the right place, etc.

Since there is no standard for Rest, there is no requirement that your
Restful web service return XML or JSON. None of mine do. IWS however
forces you to choose to return either JSON or XML. It also defines how
it is going to pass your program (in this case the program created
when you compile the module below and create a program out of it) the
parameters it receives, and how your program is supposed to return the
data. It is built by IBM. They understand RPGLE. They don't make you
do the XML or JSON formatting. They handle all of that for you and let
you use traditional RPGLE parameters.

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