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POSTed json

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  POSTed json Andrew Poulos <ap_prog@hotmail.com> - 2014-09-02 14:34 +1000
    Re: POSTed json Andrew Poulos <ap_prog@hotmail.com> - 2014-09-02 15:39 +1000
    Re: POSTed json Denis McMahon <denismfmcmahon@gmail.com> - 2014-09-02 09:28 +0000

#25799 — POSTed json

I'm currently looking into an elearning "standard" called Tin Can (TC). 
TC sends "statements" (json) to the learning record store (LRS). I can 
follow everything that the sample I downloaded is doing except for one bit.

When the sample gets to an test and the user clicks the Submit button a 
statement for each question is POSTed to the LRS within an array. So if 
there are 10 questions you get a 11 element array where each element is 
json and one element is json describing the test.

The developer tools in Chrome shows the request payload correctly ie 
statements for all questions are as expected.

I'm confused. Is a stringified array of objects valid for json:
[
  {blah},
  {blah},
  {blah},
  {blah},
  {blah},
  {blah},
  {blah},
  {blah},
  {blah}
]

Andrew Poulos

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#25800

On 2/09/2014 2:34 PM, Andrew Poulos wrote:
> I'm currently looking into an elearning "standard" called Tin Can (TC).
> TC sends "statements" (json) to the learning record store (LRS). I can
> follow everything that the sample I downloaded is doing except for one bit.
>
> When the sample gets to an test and the user clicks the Submit button a
> statement for each question is POSTed to the LRS within an array. So if
> there are 10 questions you get a 11 element array where each element is
> json and one element is json describing the test.
>
> The developer tools in Chrome shows the request payload correctly ie
> statements for all questions are as expected.
>
> I'm confused. Is a stringified array of objects valid for json:
> [
>   {blah},
>   {blah},
>   {blah},
>   {blah},
>   {blah},
>   {blah},
>   {blah},
>   {blah},
>   {blah}
> ]

Sorry, Google provided the answer - its valid though a top-level object 
is preferred for security reasons.

Andrew Poulos

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#25801

On Tue, 02 Sep 2014 14:34:55 +1000, Andrew Poulos wrote:

> I'm confused. Is a stringified array of objects valid for json:

Looking at the syntax diagrams on json.org, yes.

-- 
Denis McMahon, denismfmcmahon@gmail.com

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