> -----Original Message-----
> From: Don Brown [mailto:[EMAIL PROTECTED]
> Sent: 29 November 2005 16:27
> To: Struts Developers List
> Subject: Re: Tough Questions on Struts and Webwork Integration
> 
> 
> These are some great questions, and particularly relevant to 
> me as I'm 
> working on the 2ed edition of Struts in Action.  You can be sure our 
> book will cover, at least in part, Struts Ti.  Here is my 2c:
> 

Ok great so is Ted Husted also involved in the 2nd edition
and I presume Manning is fine with both Struts in Action 
and Webwork in Action in the future ``merging'' as one.

> Pilgrim, Peter wrote:
> > Hi
> > 
> > 1) Is the WebWork name going to exist still?
> 
> No, at least not in Apache Struts.  The WebWork project will probably 
> stick around supporting 1.x and possibly to host migration code.
> 

I have just read Niall's question and answer. So WebWork will 
probably usurp the Struts Core layer at some point, correct?

> > 2) Is the Struts name going to be annexed with WebWork?
> 
> Nope.  While initially, this WebWork import will be called 
> Struts Ti, it 
> is my hope it will quickly be accepted as Struts Action 2.0.
> 
> > 3) A users has invested his or her hard-earned cash in 
> `WebWork' in Action book.
> > Will contents of this tome still be relevant in Struts?
> 
> Absolutely, since Struts Ti == WebWork 2.2, with some package 
> name changes.
> 

Ok it makes a little clearer.
So developers have a choice?

1) Learn the WebWork 2.x philosophy

2) Don't learn WW2 way but use the Struts compatibility layer
instead until it runs out of steam or is it deprecated.

> > 4) In fact there are a number of such books on the markets 
> e.g Struts Receipes 
> > and Struts Cookbook. Are these book becoming irrevelant or 
> still revelant? 
> > Have the book publishers lost a dosh of cash, then ?
> 
> These books will continue to be important due to:
> 1. All the existing Struts Action 1.x applications out there
> 2. The Struts Action 1.x will continue to be supported and developed
> 
> Just because there might be a Struts Action 2.0, doesn't mean 
> development or support will stop on 1.x.  WebWork itself is a good 
> example of this as their 1.x community is still quite alive.
> 
> > 5) What architectural components are going to be replaced 
> in Struts ?
> > ( And conversely in Webwork?)
> 
> This is a tough question because we haven't started on the Struts 
> compatibility layer so I can't tell you what we can support 
> from Struts. 
>   WebWork will be imported as is, so I don't see anything 
> replaced there 
> initially, however, we might decide to remove some deprecations.
> 

That begs the question, what is the best way for Struts developer
to learn WebWork 2.

> I can tell you it is my personal goal for the Struts 
> compatibility layer 
> to support to some extent Struts Actions, ActionForms, Validator, and 
> Tiles at least.
> 
> > 6) What happens to the custom tag libraries like HTML or HTML-EL?
> 
> These, of course, will still be supported by Struts 1.x.  We 
> might find 
> it possible to simulate them with the Struts compatibility layer, I 
> don't know yet.  Still, I think you'll really like the WebWork tags 
> since they support multiple template technologies (JSP, Velocity, 
> FreeMarker, etc) and have "themes" which include an Ajax 
> theme that uses 
> Dojo.

Cool! I have been listening to alot of interesting stuff about Dojo
from Ajaxian.com

> 
> > 7) Will Struts users suddenly now have to learn OGNL thing?
> 
> Struts 1.x users, of course, won't, and while initially 
> Struts Ti users 
> will, one of our goals in Struts Ti has been to make that 
> pluggable so 
> you could stick JSP EL there or even XPath.
> 
> > 8) How will the Webwork Integration affect popular Struts 
> extensions such as the Validator or Tiles?
> 
> Again, it is my goal the compatibility layer or even Struts Ti itself 
> will support them.  To be honest, I'm not to keen on making Validator 
> support core, because I personally think there are better ways to do 
> validation, but Tiles will be important to support.  There is 
> a version 
> of Tiles that is being worked on which doesn't require Struts 
> at all, so 
> it is possible it could be easily used with Struts Ti.
> 
> > 9) A Girl named Geraldine (or A Guy named Gerald if you are 
> so inclined) has invested in 
> > heavily Spring supported Struts Actions, and has read your 
> recent announcement and 
> > she proclaims "What Do I Do Now?!"
> 
> Keep on keeping on.  I too have a Struts Action 1.x application that 
> uses Spring-supported Actions and plan to be supporting it 
> for a while. 
>   Struts Ti, if she was interested in it for new apps, will contain 
> heavy Spring integration which might be a better choice.
> 
> > ( Spring support AOP already, so does it fit with the 
> WebWork interceptors? )
> 
> Two different things, really, so yes, they compliment each other well.
> 
> > 10) "What does WebWork really bring to the Struts party? "
> > "What is the different between that and this new Struts Ti 
> that I have been hearing about?"
> 
> WebWork, from a developer and user point of view, is a great 
> framework 
> that is well designed, and basically most things I wish Struts was. 
> Struts Ti started as a annotation-driven Ruby on Rails-type framework 
> which was built on WebWork, however, we are moving some of those 
> advanced features back to "phase 2" and making phase 1 the WebWork 
> import with Struts compatibility tools.
> 

So Struts Ti definitely requires Java 5, because of annotations.

Will Struts 2.x only support Java 5 and beyond? If it does then 
you could not use as for legacy Struts 1.x that are worth
upgrading.



> > 11) What will be the typically code that the application 
> developer writes for Struts 2.x?
> > Will it be Struts Action, Chains of Commands, or Interceptor?
> 
> WebWork too has Actions, however, they view Actions as Struts 
> Actions + 
> ActionForms, which I might add, Craig himself sees as a 
> better way to go 
> as reflected in JSF.  Furthermore, Actions are request-scoped, so no 
> more worrying about thread safety.  We hope to add commons-chain 
> integration at least at the global level, however, I'm sure Ted will 
> spur integration at the Action level as well :)
> 
> > 12) When do you expect Struts 2.x to "go live"?
> 
> When it's ready of course. :)  The WebWork guys want to 
> finish WebWork 
> 2.2, then they will set on the course of migration.  There are a few 
> incubator steps the Apache Software Foundation requires to be 
> completed 
> before we can import the code.  From there, we will develop 
> the Struts 
> compatibility layer, and hopefully see a quick release.  
> After that, we 
> start rolling in some of the original Struts Ti features like zero 
> configuration (using annotations), quick development mode, 
> and possibly 
> some sort of workflow framework (Beehive, Spring Web Flow, Rife, etc).
> 
> Don
> 

Thanks for answering my questions


> > 
> > 
> > References:
> > 
> > http://www.theserverside.com/news/thread.tss?thread_id=37794
> > 
> > http://blogs.opensymphony.com/webwork/
> > 
> > http://www.manning.com/books/lightbody
> > 
==////==



--
Peter Pilgrim :: J2EE Software Development
Operations/IT - Credit Suisse First Boston, 
Floor 15, 5 Canada Square, London E14 4QJ, United Kingdom
Tel: +44-(0)207-883-4497

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