parse JSON object to custom class object in action script 3

Question

I want to parse JSON string to some my custom object in Action script 3. Is there some libs to do this. Or any ideas how can I make this. Thanx!

Here is an example what I want to receive:

{
    "result":{
        "birthday_at":"0000-00-00",
        "first_name":"Myname1",
        "level":5,
        "last_name":"MySurname",
        "gender":0
    },
    "cmd":"INFO",
    "service":{
        "code":0,
        "error_desc":""
    }
}

and class UserInfo:

public class UserInfo
{
  public Date birthday_at;
  public String first_name;
  public String last_name;
  public int level;
  public int gender;
}

And I want, to parse JSON string to fields of my class? How can I do this in an easiest way and in a right way? Thanx!

Beau N. Brewer · Accepted Answer · 2012-02-10 20:49:10Z

3

var obj:Object = JSON.decode( jsonString );
var user:UserInfo = new UserInfo();

for ( var prop:String in obj )
    user[prop] = obj[prop];

This doesn't work for custom types with getters (read-only properties). describeType can be used to get only the properties that can be set, but there are performance issues.

Darron Schall has a brilliant solution to take your JSON.parse(jsonString) plain object and convert it to a custom typed object.

https://github.com/darronschall/ObjectTranslator

answered Feb 10, 2012 at 20:49

Beau N. Brewer

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PatrickS · Accepted Answer · 2011-08-08 16:43:47Z

2

Using the class mentioned in the previous answer, you would simply need to do the following:

 var obj:Object = JSON.decode( jsonString );
 var user:UserInfo = new UserInfo();

 for ( var prop:String in obj )
    user[prop] = obj[prop];

answered Aug 8, 2011 at 16:43

PatrickS

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Comments

Jevgenij Dmitrijev · Accepted Answer · 2011-08-08 16:05:24Z

2

There is Adobe's JSON parser.

https://github.com/mikechambers/as3corelib/tree/master/

import com.adobe.serialization.json

answered Aug 8, 2011 at 16:05

Jevgenij Dmitrijev

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