On Wed, Oct 15, 2008 at 11:36 PM, Peter Stavrinides
<[EMAIL PROTECTED]> wrote:
> This is an interesting discussion, but I tend to agree with Howard's view 
> that Tapestry should be focused towards Tapestry centric applications and 
> later on integration with web flow and others... a side note on 
> compatibility, Tapestry is such a progressive platform yet it has not been 
> tested officially with Java 6? I know it works, as I have been using it for 
> over a year now, so why the delay in moving to JDK 6?

I develop and code against JDK 1.5.  We purposely don't use any JDK
1.6 features (though I'm slavering for a few changes in
java.concurrent) to enforce compatibility to JDK 1.5.  Many people are
slow to move up even from 1.4.


>
> cheers
> Peter
> ----- Original Message -----
> From: "Howard Lewis Ship" <[EMAIL PROTECTED]>
> To: "Tapestry users" <users@tapestry.apache.org>
> Sent: Wednesday, 15 October, 2008 8:23:00 PM GMT +02:00 Athens, Beirut, 
> Bucharest, Istanbul
> Subject: Re: Tapestry 5 Integration with Spring Web Flow 2?
>
> No, actually, Keith Donald and I have discussed this repeatedly, and I
> think it would be a good thing to add in 5.1.  We also have ideas
> about how to make Spring/Tapestry IoC integration better and more
> symmetric.
>
> We're stumbling one one thing, Keith doesn't know much Tapestry and
> sees it as a view technology; he wants SWF to "run the show".  He does
> have a point in terms of legacy apps that want to be implemented
> partly in Struts/JSF/Craptaculous and partly in T5.
>
> I'm more concerned with new projects that are more purely T5 and I
> want T5 to be in the driver's seat; my vision for truly seamless SWF
> integration requires it.
>
> Right now I'm most concerned with getting a stable, useful 5.0 release
> out the door.
>
> On Wed, Oct 15, 2008 at 9:03 AM, John Jimmy Dondapati
> <[EMAIL PROTECTED]> wrote:
>> I got some answers here supporting what Thiago and Geoff ranted about.
>>  http://tapestry.apache.org/tapestry5/tapestry-ioc/
>>
>> Quote :
>>
>> " *The core concept of Tapestry IoC is that the Java language itself is the
>> easiest and most succinct way to describe object creation and method
>> invocation. Any approximation in XML is ultimately more verbose and
>> unwieldy. As the
>> examples<http://tapestry.apache.org/tapestry5/tapestry-ioc/service.html#injection>show,
>> a small amount of Java code and a handful of naming conventions and
>> annotations is far simpler and easier than a big chunk of XML.*
>>
>> *In addition, moving from XML to Java code encourages testing; you can unit
>> test the service builder methods of your module builder class, but you can't
>> realistically unit test an XML descriptor. "
>> *
>>
>> Looks like the fundamental idea of Tapestry is moving away from xml and
>> putting the IOC into code. I guess, same goes for navigation.
>>
>> So, I guess there will not be a Spring Web Flow integration from Tapestry
>> side unless Spring takes the effort.
>>
>> On Wed, Oct 15, 2008 at 11:54 AM, John Jimmy Dondapati <[EMAIL PROTECTED]
>>> wrote:
>>
>>>
>>>
>>> On Wed, Oct 15, 2008 at 9:21 AM, Lubor Gajda <[EMAIL PROTECTED]>wrote:
>>>
>>>> > Don't forget you can add new object scopes to Tapestry.
>>>>
>>>> The main problem here is not definition of conversation scope, but
>>>> specification of conversation boundaries (when the conversation should
>>>> start
>>>> and when it should end and release all objects associated with
>>>> conversation
>>>> scope). This mechanism should be as simple and user friendly as possible
>>>> (all third party implementations I've seen so far are quite verbose in
>>>> this
>>>> point).
>>>>
>>>> > It doesn't support this feature out-of-the-box, but it was built in such
>>>> a
>>>> flexible and intelligent way that this can be added as an add-on
>>>> > package without rewriting Tapestry itself. You could use page class
>>>> transformations to do that, for example.
>>>>
>>>> I agree that Tapestry is amazingly flexible framework that allows you
>>>> modify
>>>> it's internal behaviour if you need it. However, I also think that
>>>> conversation support is so common requirement (each nontrivial web
>>>> application needs it) that it should be supported out-of-the-box.
>>>>
>>>
>>> Couldnt agree more. In fact thats the other main reason that made us go for
>>> JSF + SWF combo apart from the client requirement to specify navigation
>>> outside the code.
>>>
>>>
>>>
>>>>
>>>> On Wed, Oct 15, 2008 at 1:30 PM, Thiago H. de Paula Figueiredo <
>>>> [EMAIL PROTECTED]> wrote:
>>>>
>>>> > Em Wed, 15 Oct 2008 08:51:33 -0300, Lubor Gajda <[EMAIL PROTECTED]>
>>>> > escreveu:
>>>> >
>>>> >  Hi Thiago/Geoff,
>>>> >>
>>>> >
>>>> > Hi!
>>>> >
>>>> >  However, when you are using page based approach your flow definition is
>>>> >> scattered across whole application
>>>> >> and you have to edit and analyze all those hundreds of pages to gather
>>>> all
>>>> >> information pieces, what is much more time consuming and less user
>>>> friendly
>>>> >> approach.
>>>> >>
>>>> >
>>>> > There's always the possibility of writing an analyzer using JavaCC or
>>>> ANTLR
>>>> > or even as a Tapestry service that does what you're describing by
>>>> looking at
>>>> > @InjectPage annotations. It wouldn't be as complete as a SWF
>>>> configuration,
>>>> > but I think it would cover most situations. ;)
>>>> >
>>>> >  Moreover, Spring Web Flow is not only about flow definition. Its
>>>> another
>>>> >> important feature is that it introduces new object scopes that allow
>>>> you
>>>> >> easily share objects between pages in the same flow/conversation. How
>>>> >> would you implement this in Tapestry? Would you use ASO objects and
>>>> manually
>>>> >> clean them when flow/conversation ends? Or would you just use 'bucket
>>>> >> brigade
>>>> >> pattern' and manually set the object to following page instance? Each
>>>> of
>>>> >> these two approaches is less productive and less user friendly than
>>>> >> directly using flow/conversation scope.
>>>> >>
>>>> >
>>>> > I would use an ASO and clean up manually.
>>>> >
>>>> > Don't forget you can add new object scopes to Tapestry. This has been
>>>> done
>>>> > before, even with conversation scope, even not using Seam or SWF:
>>>> > http://www.nabble.com/T5%3A-Persistence-pains-tt17027697.html#a17080018
>>>> .
>>>> >
>>>> > Looking at this list archives, some people were trying to integerate
>>>> Seam
>>>> > into Tapestry to provide what you're describing here (conversation
>>>> scope).
>>>> >
>>>> >  I completely agree that XML programming is nonsense, but XML flow
>>>> >> definition is not the only choice. You can use java based flow
>>>> definitions
>>>> >> or
>>>> >> eventually create your own custom flow builders (for instance grails
>>>> >> framework uses SWF with groovy based flow builder).
>>>> >>
>>>> >
>>>> > That's nice. I use Spring, but with JavaConfig, so I almost don't have
>>>> to
>>>> > write XML.
>>>> >
>>>> >  Tapestry is by its concept strictly page based framework and it doesn't
>>>> >> support grouping pages to flows/conversations.
>>>> >>
>>>> >
>>>> > It doesn't support this feature out-of-the-box, but it was built in such
>>>> a
>>>> > flexible and intelligent way that this can be added as an add-on package
>>>> > without rewriting Tapestry itself. You could use page class
>>>> transformations
>>>> > to do that, for example.
>>>> >
>>>> >  I think that this would be
>>>> >> good opportunity to start discussion in Tapestry community about
>>>> >> advantages/disadvantages of flow/conversation concept to clarify if it
>>>> >> would  be useful to introduce this concept in future Tapestry releases
>>>> or
>>>> >> not. So, what do you think?
>>>> >>
>>>> >
>>>> > Discussions are always a good thing. :)
>>>> >
>>>> >
>>>> > --
>>>> > Thiago H. de Paula Figueiredo
>>>> > Independent Java consultant, developer, and instructor
>>>> > Consultor, desenvolvedor e instrutor em Java
>>>> > http://www.arsmachina.com.br/thiago
>>>> >
>>>> > ---------------------------------------------------------------------
>>>> > To unsubscribe, e-mail: [EMAIL PROTECTED]
>>>> > For additional commands, e-mail: [EMAIL PROTECTED]
>>>> >
>>>> >
>>>>
>>>
>>>
>>>
>>> --
>>> Cheers,
>>> John
>>>
>>
>>
>>
>> --
>> Cheers,
>> John
>>
>
>
>
> --
> Howard M. Lewis Ship
>
> Creator Apache Tapestry and Apache HiveMind
>
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-- 
Howard M. Lewis Ship

Creator Apache Tapestry and Apache HiveMind

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