Re: Help with HTTPAPI

[Scott Klement <sk@xxxxxxxxxxxxxxxx>]

Hi Jeff,

On 6/22/2012 10:07 AM, Jeff Young wrote:
>     I have a project where I need to do the following:
>     1)  Append the destination string "/import" to the URL:
>            [1]https://api.traceregister.com/import    OR
>     [2]https://api.traceregister.com/training/import

You're right, HTTPAPI doesn't have much in the way of documentation... 
That's something that needs to be fixed, unfortunately, I've been 
struggling to find time.

Setting up a Wiki for HTTPAPI would be a good idea, IMHO.

Anyway, appending /import to a string isn't really part of HTTPAPI, it's 
just concatenating two strings.

    url = 'https://api.traceregister.com';
    if (whatever);
       url = url + '/import';
    endif;

It's just typical RPG, right?  The output of all of that gets passed to 
HTTPAPI...


>     2)  Create an HTTP Request using the modified URL, and set a header
>     attribute named "Authorization" equal to the Import Key:
>
>            request.header["Authorization"] = ImportKey

I've never seen code like this:  request.header["Authorization"],.  This 
appears to be the instructions for some other HTTP tool aside from 
HTTPAPI??

Assuming you're asking for a custom HTTP header to be added to your 
request, however, it can be done by setting up an exit procedure that 
runs for the HTTP_POINT_ADDL_HEADER exit point.  HTTPAPI will call this 
procedure while it's creating the HTTP request header, and you can add 
your own string at that point.


>     3)  Send the HTTP Request as a POST with the modified XML document
>     contents as the Request Payload.
>
>     The XML document is in a file on the IFS.


HTTPAPI has different POST routines, depending on how you'd like to 
supply your input, and how you'd like to receive your output.  I see 
that the input should come from a stream file, but you haven't mentioned 
how you want to receive the response.

The easiest one way to get started is to receive the response into 
another stream file in the IFS... in which case, you should call the 
http_url_post_stmf() routine.



> From what I can determine, there is no form information available,
> so how would I send the file with the above requirements?

I don't understand this question.  What do you mean by "form 
information"?

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