Re: IWS and input parameters...

Thanks everyone.  I feel better now about using a POST to retrieve the
data.  Thanks for everyone's input.

Rob

On Tue, Dec 15, 2020 at 4:42 PM Don Brown via WEB400 <
[email protected]> wrote:

> We use IWS for some system to system notifications.
>
> Rather than creating a new service for every different requirement we
> simply pass a data structure and the processing RPG program determines the
> request type and calls the required procedure.
>
> This allows new requirements to be added with no change to the IWS
> definition and works very well.
>
>
> Cheers
>
>
>
>
>
>
>
> From:   "Robert Rogerson" <[email protected]>
> To:     "Web Enabling the IBM i (AS/400 and iSeries)"
> <[email protected]>
> Date:   16/12/2020 06:44 AM
> Subject:        Re: [WEB400] IWS and input parameters...
> Sent by:        "WEB400" <[email protected]>
>
>
>
> @Jon, so you are suggesting the pFilterDs input parm(s) be passed as a
> character string and then parse them in the RPG.  That way I could still
> use a GET.
> That may work...
>
> @Nadir, thanks for the links.  I reread them and I think I have a better
> understanding.  One question, which I know I'm going to be asked is, why
> are you using a POST to retrieve data?  I now understand I can do this.
> But is the reason that there is a restriction in IWS (as there is more
> than
> one parameter that is a structure) or is this a restriction of all web
> service servers?
>
> Thanks,
>
> Rob
>
> On Tue, Dec 15, 2020 at 11:09 AM Jon Paris <
>
> https://urldefense.proofpoint.com/v2/url?u=http-3A__jon.paris-40partner400.com&d=DwICAg&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=Kys-lxRCMpPr7up01Pp1FRjOe49ne6imWwi1b-ue8yQ&m=niBeXv162AFFRLA__8V3kbpOQvbzDlhUTlGl6Ez-pbY&s=REkUDLJJFdQNGPX_i1CJifIdX7R4t63_LSyAqHcYJOg&e=
> > wrote:
>
> > I don't have time to play but, if you want to stick with GET, can you
> not
> > add an extra simple input parm to deal with this?
> >
> >
> > Jon
> >
> >
> > > On Dec 14, 2020, at 11:20 PM, Robert Rogerson <[email protected]>
> > wrote:
> > >
> > > I'm new to this so I'm trying to understand.
> > > If I want to return rows, normally I would use a GET.  But since one
> of
> > my
> > > input parameters is a structure I'm forced to either use a POST or a
> PUT.
> > > So I'm sort of forced out of the convention that GET is to read
> records,
> > > POST is to create records and PUT is to update records.
> > > So it's ok to do a POST only to read records?
> > >
> > > Is there anyone else using IWS from an RPG perspective that has found
> or
> > > could share some useful information?
> > >
> > > Thanks,
> > >
> > > Rob
> > >
> > > On Mon, Dec 14, 2020 at 10:37 PM Nadir Amra <amra-r/[email protected]> wrote:
> > >
> > >> the suffix _LENGTH must be   capital because that  is what  IWS
> > currently
> > >> looks for.  It should not matter because it is not part  of payload.
> > >>
> > >> If you have a structure that is an input parameters, then the  HTTP
> > method
> > >> is POST  or PUT.
> > >>
> > >> Other  than  what we have  for  doc on  web site,  and  articles,
> that
> > is
> > >> all the doc there  is.   We are in  process of updating the  doc.
> > >>
> > >>
> > >>
> > >>
> > >> "WEB400" <[email protected]> wrote on 12/14/2020
> > 05:52:33
> > >> PM:
> > >>
> > >>> From: Robert Rogerson <[email protected]>
> > >>> To: "Web Enabling the IBM i (AS/400 and iSeries)"
> > >> <[email protected]>
> > >>> Date: 12/14/2020 05:52 PM
> > >>> Subject: [EXTERNAL] Re: [WEB400] IWS and input parameters...
> > >>> Sent by: "WEB400" <[email protected]>
> > >>>
> > >>> @Nadir, your assumption is correct, pFilterDs is indeed input.  So
> you
> > >> are
> > >>> saying that I can have a data structure as input?
> > >>>
> > >>> Why must the "_lenght" be in upper case.  I've never seen nor
> > understand
> > >>> this requirement.
> > >>>
> > >>> Thanks,
> > >>>
> > >>> Rob
> > >>>
> > >>> On Mon, Dec 14, 2020 at 3:25 PM Nadir Amra <amra-r/[email protected]> wrote:
> > >>>
> > >>>> Which  parameters are  input  and  which output?
> > >>>>
> > >>>> And  "_length" suffix  should  be  "_LENGTH"
> > >>>>
> > >>>> Assuming  pFilterDs is  input,  you may  want  to  define a  length
> > >> field
> > >>>> for it as well so that  you  know  how many  entries  are being
> passed
> > >> in.
> > >>>>
> > >>>>
> > >>>> "WEB400" <[email protected]> wrote on 12/14/2020
> > >> 08:24:21
> > >>>> AM:
> > >>>>
> > >>>>> From: Robert Rogerson <[email protected]>
> > >>>>> To: "Web Enabling the IBM i (AS/400 and iSeries)"
> > >>>> <[email protected]>
> > >>>>> Date: 12/14/2020 08:24 AM
> > >>>>> Subject: [EXTERNAL] [WEB400] IWS and input parameters...
> > >>>>> Sent by: "WEB400" <[email protected]>
> > >>>>>
> > >>>>> I want to have a filter(s) for my api.
> > >>>>> An individual filter is defined as
> > >>>>>
> > >>>>> dcl-ds filterTmp template qualified;
> > >>>>>  type char(20);
> > >>>>>  value char(20);
> > >>>>> end-ds;
> > >>>>>
> > >>>>> But there may be multiple occurrences of filter.  For example,
> > >>>>>
> > >>>>> 'Warehouse': '95,96,97'
> > >>>>> 'Type':'Shipments'
> > >>>>> 'DateRange': 'LastWeek'
> > >>>>>
> > >>>>> I was hoping to do something like
> > >>>>> dcl-pi *n;
> > >>>>>  pFilterDs likeds(filterTmp) dim(10) const;
> > >>>>>  transactionDs_length int(10);
> > >>>>>  transactionsDs likeds(transactionsTmp) dim(1000);
> > >>>>>  httpStatus like(httpStatusTmp);
> > >>>>>  httpHeaders like(httpHeadersTmp) dim(10);
> > >>>>> end-pi;
> > >>>>>
> > >>>>> But when I try this on Step 5 of 9 on the Deploy New Service
> Wizard
> > >> I
> > >>>> get
> > >>>>> error
> > >>>>> *Error:* ZUI_54411: The HTTP method must be PUT or POST when there
> > >> is an
> > >>>>> input parameter that is not being injected with a value.
> > >>>>>
> > >>>>> How should I be doing this?
> > >>
> > >>
> > >>
> > >> --
> > >> This is the Web Enabling the IBM i (AS/400 and iSeries) (WEB400)
> mailing
> > >> list
> > >> To post a message email: [email protected]
> > >> To subscribe, unsubscribe, or change list options,
> > >> visit:
>
> https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.midrange.com_mailman_listinfo_web400&d=DwICAg&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=Kys-lxRCMpPr7up01Pp1FRjOe49ne6imWwi1b-ue8yQ&m=niBeXv162AFFRLA__8V3kbpOQvbzDlhUTlGl6Ez-pbY&s=c7bsModZPkouNaadst1a3s9b2IS5zQ4RKb_D0CzK0q4&e=
>
> > >> or email: [email protected]
> > >> Before posting, please take a moment to review the archives
> > >> at
>
> https://urldefense.proofpoint.com/v2/url?u=https-3A__archive.midrange.com_web400&d=DwICAg&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=Kys-lxRCMpPr7up01Pp1FRjOe49ne6imWwi1b-ue8yQ&m=niBeXv162AFFRLA__8V3kbpOQvbzDlhUTlGl6Ez-pbY&s=wd2rHGPh_MTGvM-Z_Q2WeWs2Ar60s-YEvMCzSOjCWuY&e=
> .
> > >>
> > >>
> > > --
> > > This is the Web Enabling the IBM i (AS/400 and iSeries) (WEB400)
> mailing
> > list
> > > To post a message email: [email protected]
> > > To subscribe, unsubscribe, or change list options,
> > > visit:
>
> https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.midrange.com_mailman_listinfo_web400&d=DwICAg&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=Kys-lxRCMpPr7up01Pp1FRjOe49ne6imWwi1b-ue8yQ&m=niBeXv162AFFRLA__8V3kbpOQvbzDlhUTlGl6Ez-pbY&s=c7bsModZPkouNaadst1a3s9b2IS5zQ4RKb_D0CzK0q4&e=
>
> > > or email: [email protected]
> > > Before posting, please take a moment to review the archives
> > > at
>
> https://urldefense.proofpoint.com/v2/url?u=https-3A__archive.midrange.com_web400&d=DwICAg&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=Kys-lxRCMpPr7up01Pp1FRjOe49ne6imWwi1b-ue8yQ&m=niBeXv162AFFRLA__8V3kbpOQvbzDlhUTlGl6Ez-pbY&s=wd2rHGPh_MTGvM-Z_Q2WeWs2Ar60s-YEvMCzSOjCWuY&e=
> .
> > >
> >
> > --
> > This is the Web Enabling the IBM i (AS/400 and iSeries) (WEB400) mailing
> > list
> > To post a message email: [email protected]
> > To subscribe, unsubscribe, or change list options,
> > visit:
>
> https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.midrange.com_mailman_listinfo_web400&d=DwICAg&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=Kys-lxRCMpPr7up01Pp1FRjOe49ne6imWwi1b-ue8yQ&m=niBeXv162AFFRLA__8V3kbpOQvbzDlhUTlGl6Ez-pbY&s=c7bsModZPkouNaadst1a3s9b2IS5zQ4RKb_D0CzK0q4&e=
>
> > or email: [email protected]
> > Before posting, please take a moment to review the archives
> > at
>
> https://urldefense.proofpoint.com/v2/url?u=https-3A__archive.midrange.com_web400&d=DwICAg&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=Kys-lxRCMpPr7up01Pp1FRjOe49ne6imWwi1b-ue8yQ&m=niBeXv162AFFRLA__8V3kbpOQvbzDlhUTlGl6Ez-pbY&s=wd2rHGPh_MTGvM-Z_Q2WeWs2Ar60s-YEvMCzSOjCWuY&e=
> .
> >
> >
> --
> This is the Web Enabling the IBM i (AS/400 and iSeries) (WEB400) mailing
> list
> To post a message email: [email protected]
> To subscribe, unsubscribe, or change list options,
> visit:
>
> https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.midrange.com_mailman_listinfo_web400&d=DwICAg&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=Kys-lxRCMpPr7up01Pp1FRjOe49ne6imWwi1b-ue8yQ&m=niBeXv162AFFRLA__8V3kbpOQvbzDlhUTlGl6Ez-pbY&s=c7bsModZPkouNaadst1a3s9b2IS5zQ4RKb_D0CzK0q4&e=
>
> or email: [email protected]
> Before posting, please take a moment to review the archives
> at
>
> https://urldefense.proofpoint.com/v2/url?u=https-3A__archive.midrange.com_web400&d=DwICAg&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=Kys-lxRCMpPr7up01Pp1FRjOe49ne6imWwi1b-ue8yQ&m=niBeXv162AFFRLA__8V3kbpOQvbzDlhUTlGl6Ez-pbY&s=wd2rHGPh_MTGvM-Z_Q2WeWs2Ar60s-YEvMCzSOjCWuY&e=
> .
>
>
>
>
>
> --
> This email has been scanned for computer viruses. Although MSD has taken
> reasonable precautions to ensure no viruses are present in this email, MSD
> cannot accept responsibility for any loss or damage arising from the use of
> this email or attachments..
> --
> This is the Web Enabling the IBM i (AS/400 and iSeries) (WEB400) mailing
> list
> To post a message email: [email protected]
> To subscribe, unsubscribe, or change list options,
> visit: https://lists.midrange.com/mailman/listinfo/web400
> or email: [email protected]
> Before posting, please take a moment to review the archives
> at https://archive.midrange.com/web400.
>
>
-- 
This is the Web Enabling the IBM i (AS/400 and iSeries) (WEB400) mailing list
To post a message email: [email protected]
To subscribe, unsubscribe, or change list options,
visit: https://lists.midrange.com/mailman/listinfo/web400
or email: [email protected]
Before posting, please take a moment to review the archives
at https://archive.midrange.com/web400.