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http "PATCH" method
Posted: Tue Sep 23, 2025 6:15 pm
by mmayer4
I've run into my first requirement of an API that requires "PATCH" instead of "post". So I Googled the following in AI_mode:
on IBM i in ILERPG using Scott Klement's HTTPAPI service program, is it possible to use PATCH instead of POST.
It said, Yes! Use http_xproc() with HTTP_POINT_SET_METHOD constant to specify "PATCH" as the method to be used. The you can use http_url_post() and it will use the PATCH method instead of post.
So I said, Sweet! that's easy! Well, it lied
There is no HTTP_POINT_SET_METHOD constant.
So the question remains, is there a way to use PATCH with http_url_post() ? Or another way to send a JSON body with a bearer token authorization?
What I had hoped for was the following:
Code: Select all
http_setCCSIDs( 1208: 0 );
http_setauth(HTTP_AUTH_BEARER : ' ' : bearerToken);
http_xproc(HTTP_POINT_SET_METHOD: 'PATCH');
rc = http_url_post( url
: %addr(jsonBuf : *data)
: %len(jsonBuf)
: ifsResp
: HTTP_TIMEOUT
: HTTP_USERAGENT
: 'application/json');
Re: http "PATCH" method
Posted: Wed Sep 24, 2025 8:50 am
by tools400
Did you alread try the
http_req() procedure? It looks as if it could do the job, if you specify '
PATCH' for the first parameter '
Type':
Code: Select all
*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* HTTP_req(): Perform any HTTP request and get input/output from
* either a string or an IFS stream file.
*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
P http_req B export
D PI 10i 0 opdesc
D Type 10a varying const
D URL 32767a varying const
D ResultStmf 5000a varying const
D options(*varsize:*omit)
D ResultStr a len(16000000) varying
D options(*varsize:*omit:*nopass)
D SendStmf 5000a varying const
D options(*varsize:*omit:*nopass)
D SendStr a len(16000000) varying const
D options(*varsize:*omit:*nopass)
D ContentType 16384A varying const
D options(*varsize:*omit:*nopass)
Re: http "PATCH" method
Posted: Wed Sep 24, 2025 3:49 pm
by mmayer4
I saw that but didn't think it would fit my needs. Can't hurt to try. I will code it up and see if it works and report back. Thanks.
Re: http "PATCH" method
Posted: Wed Sep 24, 2025 9:04 pm
by Scott Klement
There is no HTTP_POINT_SET_METHOD -- and frankly, it doesn't make any sense.
Stop using the old school http_url_post() routine, please. You can set the method with http_req(), but even if you were using POST, I would strongly recommend using http_req() instead of http_url_post()!
Re: http "PATCH" method
Posted: Thu Sep 25, 2025 3:52 am
by mmayer4
the http_req() worked! Thank y'all so much!
@Scott, Just out of curiosity/education purposes, why do you consider the http_url_post() routine "old school".
Re: http "PATCH" method
Posted: Thu Sep 25, 2025 3:34 pm
by Scott Klement
http_url_post() was one of the earlier routines I added back in 2001. After years of using this and others like http_url_post_raw, http_url_get, http_url_get_raw, I wrote http_req() in 2015 to be better, easier, more powerful, more versatile.
In my experience, the only reason people use the old routines today is because they have an old program, or found an old example.
You'll be much happier using http_req(), http_string() or http_stmf()
Re: http "PATCH" method
Posted: Thu Sep 25, 2025 4:18 pm
by mmayer4
Gotcha.. Thanks again for everything you do!