On 5 Nov 2018, at 22:41, Roelof Wobben <r.wobben@home.nl> wrote:
I use this code to try to read things:
json paintingCollection | json := (NeoJSONReader fromString: (ZnEasy get: ' https://www.rijksmuseum.nl/api/nl/collection?key=14OGzuak&format=json&type=s... ') contents). paintingCollection := PaintingCollection fromJSON: json. paintingCollection inspect
and now suddenly I see a message that #add: is sent to nill
I am guessing here: is the instance variable holding your collection inside PaintingCollection initialized to an actual collection before you #add: to it in #addPainting: ? You could initialize it lazily if you want.
Roelof
Op 5-11-2018 om 22:33 schreef Erik Stel:
Roelof,
What does not work in your code? How do you call PaintingCollection>>fromJSON: ?
From what I see this code could work if used like (replace URL with actual URL):
-- Sent from: http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html