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Henrik

I don't need to add extra packages to build dynamic JSON for this issue.

In fact, I would say that only complicates matters and gets away from the
original issue of data conversion or not by the HTTP server depending on
the content-type header in the output.

The fact that the OP was using JSON and application/json as the content
type was only circumstantial.

It could have been a application/klingon header and I would have provided
data that was klingon... then the yajl parser and JSON wouldn't even be
part of the discussion.

And if I see a reply that application/klingon isn't a valid content-type...
lol well... I shouldn't even have to say it.

Brad
www.bvstools.com



On Wed, Aug 26, 2015 at 11:48 AM, Henrik Rützou <hr@xxxxxxxxxxxx> wrote:

bradley

you can make very simple examples - but you may imho have to go 'the whole
way'
to make sense of an example

like this example ... (that will be updated soon)

http://www.powerext.com/2015/06/03/my-first-wp-homepage/



On Wed, Aug 26, 2015 at 6:38 PM, Bradley Stone <bvstone@xxxxxxxxx> wrote:

I don't take it as nasty, but it's also nothing to do with what this was
doing or it's purpose. The JSON file is static in this case (but, it
certainly could be dynamic and created with yajl or anything else).

The OP had problems using the application/json content-type header and
the
output not getting "converted".

This is an example of how we updated our eRPG SDK toolkit to handle this
problem.

Brad
www.bvstools.com

On Wed, Aug 26, 2015 at 11:33 AM, Henrik Rützou <hr@xxxxxxxxxxxx> wrote:

bradley

i'm not trying to be 'nasty' but i'm converting from rpg based json
support
by including yajl c support in powerext - yajl work 4-5 times faster
creating
json than native rpg.

On Wed, Aug 26, 2015 at 6:29 PM, Henrik Rützou <hr@xxxxxxxxxxxx>
wrote:

bradley

where do the mime header come from?

how do you process the incomming json?

how do you handle different clients, one may send you text/plain and
another
application/json and expext to get the same content-type back?

On Wed, Aug 26, 2015 at 6:11 PM, Bradley Stone <bvstone@xxxxxxxxx>
wrote:

Well, I've updated our eRPG SDK to allow you to set the CCSID of the
output
for situations like this... it was a pretty easy fix.

The example is here:
http://erpgsdk.bvstools.com/demo/

Look down the right for the DSPJSON example and you can run the
program
as
well as view the template file and JSON file used (which was
retrieved
from
Google Geocoding API for an address of the white house).

Brad
www.bvstools.com

On Tue, Aug 25, 2015 at 11:00 PM, Henrik Rützou <hr@xxxxxxxxxxxx>
wrote:

bradley

i completely have forgotten that little trick ;-) as far as i
remember
ms-office also works with it but i wouldn't rely on the method
today
and not with json/webservices.



On Wed, Aug 26, 2015 at 5:00 AM, Bradley Stone <bvstone@xxxxxxxxx

wrote:

I should state this was just in Chrome and I understand most
clients
probably will ignore the Content-encoding header... but it was a
fun
find.
:)

Brad
www.bvstools.com

On Tue, Aug 25, 2015 at 5:09 PM, Bradley Stone <
bvstone@xxxxxxxxx

wrote:

Henrik,

I found something you posted a few years ago and tried it and
it
worked
for me...

Content-type: application/json
Content-encoding: EBCDIC

Is this something deemed incorrect or not a solution? I was
actually
surprised it worked. :)

Maybe there is a better solution? It seems we would need to
convert
all
the output to a specific CCSID before writing it out to StdOut
otherwise
(not a huge issue, but may be for some that can't just modify
their
toolkits to do this).

Brad
www.bvstools.com

On Tue, Aug 25, 2015 at 3:41 PM, Matt Lavinder <
mlavinder@xxxxxxxxxxxxxxxxxxx> wrote:

Henrik -

Already downloaded it. :)

I noticed you example HTTP instance that you make UTF-8 the
default
encoding. I can't do that. If possible, could you send me a
very
simple
example of how to make this work in PowerEXT Core without
changing
the
HTTP
Server configuration? I see the procedures for turning on
UTF-8
mode
but
didn't see any examples that use them. Plus, you said the
headers
cannot
be UTF-8 encoded.

I already have a CGIDEV2 template setup for my JSON, so I
really
don't
want
to change gears and use the JSON library, but I have no issue
doing a
find
replace and changing WRTSECTION to something else and using
the
PowerEXT
Core. I don't even mind changing the section and variable
tags
if
I
need
to.


On Tue, Aug 25, 2015 at 2:18 PM, Henrik Rützou <
hr@xxxxxxxxxxxx>
wrote:

mark

if you work a lot within this area you will find that ibm i
installations
seldom is able to dictate the content-type

text/json isn't btw an official mime type

On Tue, Aug 25, 2015 at 7:50 PM, Mark Murphy/STAR BASE
Consulting
Inc. <
mmurphy@xxxxxxxxxxxxxxx> wrote:

Just out of pure ignorance, since application/json causes
conversion
issues, and text/json appears to work properly, why do
you
want to
use
application/json? Are there issues that text/json causes
on
the
client
side?

Mark Murphy
STAR BASE Consulting, Inc.
mmurphy@xxxxxxxxxxxxxxx


-----Matt Lavinder <mlavinder@xxxxxxxxxxxxxxxxxxx>
wrote:
-----
To: "Web Enabling the IBM i (AS/400 and iSeries)" <
web400@xxxxxxxxxxxx>
From: Matt Lavinder <mlavinder@xxxxxxxxxxxxxxxxxxx>
Date: 08/25/2015 11:42AM
Subject: Re: [WEB400] Content-type issue with
application/json
and
application/javascript

Henrik -

No worries. I have no intention of changing our
CGIConvMode,
but
I
did
want to make sure I understood the implications. The
bulk
of
our
CGI
programs produce text/html and they work perfectly fine.

I plan to tweak the programs that produce JSON output and
leave
everything
else alone.

On Tue, Aug 25, 2015 at 11:36 AM, Henrik Rützou <
hr@xxxxxxxxxxxx>
wrote:

btw if you use binary or recieve application/xxxx
content
type
the
input
also
is recieved as binary without conversion to ebcdic

On Tue, Aug 25, 2015 at 5:34 PM, Henrik Rützou <
hr@xxxxxxxxxxxx

wrote:

matt

you are right

On Tue, Aug 25, 2015 at 5:31 PM, Matt Lavinder <
mlavinder@xxxxxxxxxxxxxxxxxxx> wrote:

Kevin -

It's OK because I know enough to get what he was
saying.
It
makes
it
pretty clear in the HTTP Server documentation that
if
you
add
"charset=utf-8"
(really, charset=anything) that no conversion
occurs
on
the
body.

I have never tried CGIConvMode %BINARY%, but
wouldn't
that
mean
that
all
your content has to be UTF-8, including output with
"content-type:text/*"?



On Tue, Aug 25, 2015 at 11:23 AM, Kevin Turner <
kevin.turner@xxxxxxxxxxxxxxxxxxxx> wrote:

Henrick

I know English is not your first language, but I
couldn't
understand
that
at all :)

But anyway, my observations are not relevant
because
we
always
use
"CGIConvMode BINARY"

Kevin

-----Original Message-----
From: WEB400 [mailto:web400-bounces@xxxxxxxxxxxx]
On
Behalf
Of
Henrik
Rützou
Sent: 25 August 2015 16:19
To: Web Enabling the IBM i (AS/400 and iSeries) <
web400@xxxxxxxxxxxx>
Subject: Re: [WEB400] Content-type issue with
application/json
and
application/javascript

apache doesn't neither converts from an ebcdic
body
if
you
send
then
the
body also has to be pre-encoded in utf-8

Content-Type: text/html; charset=utf-8

On Tue, Aug 25, 2015 at 5:14 PM, Kevin Turner <
kevin.turner@xxxxxxxxxxxxxxxxxxxx> wrote:

I am pretty sure we always ensure the data is in
UTF-8
when
sending
content that has a content type that is anything
but
"text/...."



-----Original Message-----
From: WEB400 [mailto:
web400-bounces@xxxxxxxxxxxx]
On
Behalf
Of
Matt
Lavinder
Sent: 25 August 2015 16:12
To: Web Enabling the IBM i (AS/400 and iSeries)
<
web400@xxxxxxxxxxxx>
Subject: Re: [WEB400] Content-type issue with
application/json
and
application/javascript

Hello Henrick. That's sort of what I suspected.
Do
I
have
to
change
the
CGI program to produce ASCII output, or is
there a
way to
tell
Apache
to do an EBCDIC to ASCII conversion on an
"application/javascript"
content type?

On Tue, Aug 25, 2015 at 10:56 AM, Henrik Rützou
<
hr@xxxxxxxxxxxx>
wrote:

apache converts ebcdic to utf-8 if the content
type
is
text/...
othervise not.


On Tue, Aug 25, 2015 at 4:52 PM, Matt
Lavinder <
mlavinder@xxxxxxxxxxxxxxxxxxx> wrote:

We have several CGI programs that generate
javascript,
usually
JSON.
For years we have set the content type to
text/plain
or
text/javascript. I'd like to start using
the
more
standard
"application/json", but I am
hitting
a major snag. The output is garbage. I get
the
exact
same
output
when I set the content-type to
application/javascript.

Just to verify this was related to CGI
output, I
used
AddType
to
change
the
content-type of static JavaScript files to
"application/javascript".
Those
files look fine, so this must have something
to
do
with
it
being
CGI output.

I don't really know what is up with the
output,
but I
know
it
isn't EBCDIC. It doesn't convert. Garbage
in,
garbage
out.
Changing the
content
type back to text/javascript sets everything
right.

Anyone have any guesses what is going on
here?
We
use
CGIDEV2
under IBM i 7.1. The default CCSID of our
CGI
jobs
is
37.

Just so we are clear on one thing. We had
the
following
settings
in our HTTP Conf:

DefaultFsCCSID 037
CGIConvMode %%EBCDIC/EBCDIC%%

I commented both settings out and it had no
impact on
the
output
whatsoever. All of our CGI programs that
use
content
type
of
"text/*"
seemed to work. The ones using
"application/javascript"
or
"application/json" for content type still
looked
like
garbage.
The only guess I have is that mod_cgi sees
that
the
content-type
starts with "application" and treats the
output
as
binary,
but I
have no idea how I
can
tell mod_cgi to treat
"application/javascript"
as
text,
or
if
that
is
even
the issue.

I am hoping someone has an idea. I know
Apache
pretty
well,
but
this one has me stumped.

--
Matt
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--
Regards,
Henrik Rützou

http://powerEXT.com <http://powerext.com/>
--
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--




*Matt Lavinder Programmer AnalystData Management
Inc.Phone:
(336)
573-5045Fax: (336) 573-5001*
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*Matt Lavinder Programmer AnalystData Management
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http://powerEXT.com <http://powerext.com/>





--
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Henrik Rützou

http://powerEXT.com <http://powerext.com/>
--
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