BlazeDS marshalls Java Float to ActionScript int

Question

I'm using BlazeDS to marshall Java objects to Flex. What I'm seeing is that if a Java Float holds a integer value (whole number, such as 123), then it gets marshalled to a ActionScript int. I would expect that a Java Float always gets marshalled to an ActionScript Number as documented in the BlazeDS Developer Guide.

Is there a way to configure this or is this just a BlazeDS bug?

Follow-up: The float is contained within a map. The Java map that is being passed to BlazeDS looks something like:

Map map = new HashMap();
Float f = 123.0;
map.put("number", f);

When it arrives on the Flex side map is an Object:

var map:Object = ...
trace(map.number);
trace(getQualifiedClassName(map.number));

prints:

123
int

So it's serializing the value correctly, just as the wrong type.

Can you show the code on how you're doing it on the Flex end? Are you using RemoteAlias or just dynamic objects? — J_A_X, Jun 20 '11 at 18:45
I believe by default that if you don't specify a value object on the Flex end, it will try to use the lowest possible value (int in this case) as your type. — J_A_X, Jun 20 '11 at 19:34

score 2 · Accepted Answer · answered Jun 21 '11 at 19:24

This has nothing to do with BlazeDS itself. It's a AS3 "feature"..

This will help understanding what's going on. Or confuse you even more...

First thing: **JAVA: java.lang.Float and float ==> AS3: Number **

var number:Number = 4.5;
trace(typeof(number) == "number");      //true
trace(number is Number);                //true

var integer:int = 2;
trace(typeof(integer) == "number");     //true!
trace(integer is Number);               //true!

//number=4.5
trace(number is int);                   //false
trace(getQualifiedClassName(number));   //Number

//Here comes the fun..
number=number-0.5; //number=4
trace(number is int);                   //true!!
trace(getQualifiedClassName(number));   //int!!

Hope this actually helped!

Yes, it is not BlazeDS related. – Cornel Creanga Jun 22 '11 at 02:24 — Cornel Creanga, Jun 22 '11 at 02:24

score 0 · Answer 2 · edited May 23 '17 at 12:13

0

Are the variable names same in AS3/Java value objects?

In the value object , that has RemoteClass tag, AS3

public var myfloat:Number;

Java

public float myfloat = 10.4f;

For precision info: Look at this post: How to deal with Number precision in Actionscript?

edited May 23 '17 at 12:13

Community

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answered Jun 20 '11 at 18:49

Satish

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BlazeDS marshalls Java Float to ActionScript int

2 Answers2