Subj : Re: vector as return type in java function - access in jscript?
To   : Ulrich Staudinger <us@die-horde.de>
From : Igor Bukanov <igor@fastmail.fm>
Date : Wed Jan 28 2004 12:45 am

Ulrich Staudinger wrote:
> hi,
> 
> ---------------------- jscript:
> 10: function initialize(){
> 11:   var v=dbl.getTenMinuteCandles(10);
> 12:   var c= new Packages.Candle();
> 13:   xp.sendChatMessage("uls@jabber.org", "initialize."+c.getClose());
> 14:   var value=0.0;
> 15:   for(i=0;i<10;i++){
> 16:        c=v.elementAt(i);
> 17:
> 18:
> 19:        value+=c.getClose();
> 20:    }
> 21:   xp.sendChatMessage("uls@jabber.org", "initialize."+value);
> 22: }
> -------------
> 
> i call the jscript function from a class evaluator. 'dbl' is known to 
> the interpreter, as is xp. i can instantiate the new Packages.Candle(). 
> Now, whenever i try to call c.getClose(), rhino responds with
> 'TypeError: undefined is not a function. (<cmd>; line 19)'
> 
> The vector should not be empty, i know that values are returned. the 
> call in line 13 works.

Are you sure that v contains instances of Candle? Try to add something 
like java.lang.System.out.println(c + " "+typeof c+" "+c.getClass()) 
after the line 16.

> 
> Do i have to cast to type Candle in line 16? Am i doing something wrong?

JS has no casts, it is dynamically typed language after all...

Regards, Igor

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