February 28, 2006
ActionScript 3 JSON Library Now Available
I'm happy to announce that my JSON library has been made publicly available through labs. JSON stands for "JavaScript Object Notation" and is a lightweight data exchange format, sort of like WDDX on a diet.
You can download the JSON library as part of the core ActionScript 3 library.
Usage is as follows:
// import the JSON library from the core serialization package import com.macromedia.serialization.json.JSON; // Encode a native ActionScript object as a JSON string var jsonString:String = JSON.encode( someValue ); // Decode a JSON string into a native ActionScript object var value:* = JSON.decode( jsonString );
If you run into any problems with it, let me know. It passed all of the unit tests, but there's always a chance that a test case is missing and there's a hidden bug somewhere. I'm interested in hearing any feedback you may have!
Tags: JSON, ActionScript, Flex 2, ECMAScript, Flash, WDDX, Web 2.0
Comments
Here's the JSON test suite:
http://labs.macromedia.com/svn/flashplatform/?/projects/corelib/trunk/src/actionscript3/com/macromedia/serialization/json/tests/JSONTest.as
Numbers could use some more tests. What happens if you run 6.02e23 through an encode/decode? =)
Posted by: Robert Penner at March 1, 2006 07:41 PM
Thanks Robert, I'll take a look at it and update the code in the repository as soon as I can find time to fix it.
Posted by: darron at March 1, 2006 07:45 PM
The AS2 implementation has the same issue:
http://www.theorganization.net/work/jos/JSON.as
Posted by: Robert Penner at March 1, 2006 08:35 PM
No worries, it's just a simple tweak to readNumber() inside of the tokenizer:
http://labs.macromedia.com/svn/flashplatform/?/projects/corelib/trunk/src/actionscript3/com/macromedia/serialization/json/JSONTokenizer.as
I'm not checking correctly for exponents. I'll fix it tomorrow if I can squeeze in the time.
Posted by: darron at March 1, 2006 08:42 PM