Re: problems with flash-integration

Hi Roberto,

great to hear you got this working. Making a new sourceforge project sounds 
good for this, so you can continue working on it easily.

There is a Tapestry Component Library project discussed on Wiki, this could 
be a good place for you work as well.

Alternatively adding it to contrib would be good as well, it would get a lot 
of visibility there.

regards Malcolm

>From: "Roberto Saccon" <[email protected]>
>Reply-To: "Roberto Saccon" <[email protected]>
>To: <[email protected]>
>CC: "Malcolm Edgar" <[email protected]>,   "Geoff Longman" 
><[email protected]>
>Subject: Re: [Tapestry-developer] problems with flash-integration
>Date: Fri, 22 Nov 2002 14:12:12 +1000
>
>Hello
>
>Malcolm and Geoff, thanks for your advices.
>After a few failed attempts I did as you suggested, and now, flash-client 
>is
>able to communicate via XML-RPC with Tapestry.
>I took the the ActionLink-Component and ActionService as base, sticked all
>the URL-serviceContext (which is expected  from my ActionService-derivate)
>into the flash client request, added the flash-request-evaluation and
>method-invocation to the service and thats'it !!!
>This appoach did not work with Flash-Remoting, which Macromedia sells for $
>1000 per CPU and which works different than XML-RPC and seems only to be
>useful for pure flash applications.
>If there is interest, I can povide details.
>I will put some of my stuff on sourceforge soon, then maybe, if Howard 
>likes
>that kind of flash-interoperabbility, the flashService and the
>FlashComponent could be added to the mainstream build, its just a few lines
>of code, the Apache XML-RPC-jar is also very small (on the other hand, I
>don't like blown-up frameworks, if I do not need the particular  feature)
>
>regards
>Roberto
>
>----- Original Message -----
>From: "Malcolm Edgar" <[email protected]>
>To: <[email protected]>
>Sent: Monday, November 18, 2002 6:50 AM
>Subject: Re: [Tapestry-developer] problems with flash-integration
>
>
> > Hi Roberto,
> >
> > This sounds like a fun project. The approach I would be thinking about
>here
> > is creating a FlashService to handle the Flash POST requests.
> >
> > The FlashService would parse the POST parameters and call from your
> > FlashComponent. I would look at using the
> > net.sf.tapestry.engine.ActionService as template for this service.
> >
> > Then register the new flash service in .application file:
> >
> >     <service name="flash" class="com.mycorp.engine.FlashService"/>
> >
> > regards Malcolm
> >
> > >From: "Roberto Saccon" <[email protected]>
> > >Reply-To: "Roberto Saccon" <[email protected]>
> > >To: <[email protected]>
> > >Subject: [Tapestry-developer] problems with flash-integration
> > >Date: Sun, 17 Nov 2002 00:36:19 +1000
> > >
> > >Hello Howard and community
> > >
> > >First, thanks for all the efforts put into this great Web-Framework.
> > >
> > >Second, I try to add a new dimension to it by creating a general
> > >flash-component. You might ask, what is that good for. Well, I have
>created
> > >a Flash-Texteditor with may features (for weblog-application). This is
>much
> > >easier to do in Flash than in DHTML/Flashscript and with FlashRemoting
> > >(propietary) or Apache XML-RPC the Editor can talk to a servlet and 
>even
>do
> > >things lilke spell-checking. But here comes my problem. After studying
>for
> > >two days the Tapestry RequestCycle, my Flashcomponent was neither 
>capable
> > >to store the URL nor to initialize propperly a ActionListener.
> > >To handle that stuff in a simple servlet would be very easy, because 
>the
> > >FlashClient simple puts an attributes into the HttpServletRequest, 
>which
>is
> > >used as argument for invoking serverside-functions, and then puts the
> > >result back in the HttpServletRequest. So I created a very simple
> > >FlashComponent which just handles the HTML-Tage for embeding the
> > >flash-object and I put all the Logic into the servlet by overiding the
> > >doService-Method in the ApplicationServlet, see my codefragments
>commented
> > >es flash-ugly-hack-1 and flash-ugly-hack-2.
> > >Obviously, this is NOT how components should be created. But how can I
> > >create a real Component with a listener which is triggered when I
>"submit"
> > >form the flashclient ? I tried to modify the Link- and 
>Form-Componentts,
> > >but without success. Any help is highly appreciated.
> > >
> > >regards
> > >Roberto
> > >
> > >
> > >abstract public class FlashApplicationServlet extends 
>ApplicationServlet
> > >{
> > >...
> > >...
> > >protected void doService(HttpServletRequest request, 
>HttpServletResponse
> > >response)
> > >throws IOException, ServletException
> > >{
> > >   //flash-ugly-hack-1
> > >   boolean flashRequest = false;
> > >   String flashParameter0 = null;
> > >   Object o = request.getAttribute("FLASH.PARAMS");
> > >   if ( o != null)
> > >   {
> > >     flashRequest = true;
> > >     List args = (List) o;
> > >     flashParameter0 = (String) args.get(0);
> > >   }
> > >
> > >   RequestContext context = null;
> > >   try
> > >     {
> > >       // Create a context from the various bits and pieces.
> > >
> > >       context = new RequestContext(((ApplicationServlet) this), 
>request,
> > >response);
> > >       // The subclass provides the engine.
> > >       IEngine engine = getEngine(context);
> > >
> > >       // flash-ugly-hack-2
> > >       if (flashRequest)
> > >       {
> > >         String result = flashParameter0 + ((Visit)
> > >engine.getVisit()).getUser().getEmail();
> > >         request.setAttribute("FLASH.RESULT", result);
> > >       }
> > >.......
> >
> >
> > _________________________________________________________________
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