Convert %CharacterStream to JSON and JSON to %Stream.GlobalCharacter

Question

Question

Nezla · May 9, 2022

#Ensemble

Hi Guys,

Can you pls let me how to convert %CharacterStream to JSON and also how to Convert JSON to %Stream.GlobalCharacter?

Thanks

Product version: Ensemble 2014.1

Discussion (3)3

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David Hockenbroch · May 9, 2022

Are you just trying to get the json contained in a character stream into a string a vice versa? If so, just read and write to and from the stream:

set json = ""
while 'stream.AtEnd
{
    set json = json_stream.Read()
}

That should get you the contents of the stream into a string.

do stream.Write(json)

That should write the json to a stream.

Or is that not what you're trying to do?

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score 1 · Answer 1 · 2022-05-12T10:14:56-04:00

If the character stream has JSON-format contents and you'd like to read it into a dynamic entity in ObjectScript, you can simply pass the stream into the %FromJSON method:

set obj = ##class(%DynamicAbstractObject).%FromJson(stream)

See the documentation for dynamic entity methods here.

score 0 · Answer 2 · 2022-05-12T11:21:22-04:00

Vitaliy Serdtsev · May 12, 2022

Product version: Ensemble 2014.1

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