Re: Problem with ResultEvent and Array

for me, arrays come back as an array as an (actionscript) Object,
remember AS objects are glorified hash maps, so the result comes back
as a table with number->value pairs,
ie
{1:someObject, 2:someObject, 3:someObject}

taken a look in the debugger?
/ian


On Mon, 6 Dec 2004 12:39:44 -0500, Leif Wells <[email protected]> wrote:
> Greetings All,
> 
> I am having a problem with receiving an Array from OpenAMF. Actually,
> the problem isn't in the receiving, but in the giving. Somehow, when
> receiving an Array from Java and changing items in that Array and then
> returning that Array, Java thinks that the returning Array is an
> ASObject, which results in a NullPointerException in our code. We've
> located that the problem lies at the receiving of the initial Array
> and how it is being casted in Flash. Flash clearly believes this item
> to be an Array (it has toString(),  and length functionality).
> 
> This may be a result of going to the new ActionScript 2.0 components.
> Using PendingCall and RelayResponder and ResultEvent could be
> confusing me (and thus Java). Any insight into this would be
> appreciated.
> 
> We are returning an Array this way:
> 
> //code has been cleaned for public consumption
>         public List getQuestionAnswers(String questionId)
>         {
>                 List answerList = new ArrayList();
> 
>                 if (validateRequest())
>                 {
>                         // request is valid
>                         QuestionController questionController = new
> QuestionController(request,response);
>                         answerList = questionController.getQuestionAnswers(questionId);
>                 }
> 
>                 Iterator listItr = answerList.iterator();
>                 while (listItr.hasNext())
>                 {
>                         AnswerValue loopAnswer = (AnswerValue)listItr.next();
>                 }
> 
>                 return answerList;
>         }
> //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> OK, so, nothing unusual there. We are catching this in Flash like this
> (please note the in-line comments)
> 
>         //We are using AS 2.0 here, but we cannot type our resultEvent(the "re")
>         //When we do so, we either get a compile error in Flash or it simply
> doesn't work
>         //If I cast the re as an array (re:Array), it doesn't work either
>         public function getQuestionAnswersResult(re):Void{
>                 //at this point, re.result is an Object, not an array.
>                 //Or, at least when I return the Array to Java later, Java thinks
> that it is an ASObject
>                 answers_array = re.result;
>                 //
>                 //This is what I am having to do to avoid the actual Array becoming
>                 //an Object to Java
>                 temp_answers_array = answers_array.slice(0, answers_array.length);
>                 answers_array = temp_answers_array;
> 
> }
> //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> Mind you, this works for now. But it deeply disturbs me that it
> doesn't work correctly. Or at least not the way I am expecting.
> 
> Is ResultEvent expecting that result be an Object every time? Is that
> what is happening? Are my Java guys *supposed* to wrapping the result
> in an Object? That sounds crazy!
> 
> Any ideas?
> 
> Thanks,
> 
> Leif
> 
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