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From Sachin Patel <>
Subject Re: J2G Conversion tool got a makeover. Now what?
Date Sat, 16 Jun 2007 00:32:10 GMT
At this time as its currently implemented, I don't think it would  
make a good inside the UI.  The context you're working in the IDE is  
a "project" under development and J2G currently doesn't operate under  
this context.  There would be no real advantage to allow it to be  
invoked in the UI since it can't be operated on projects in the  

If any integration into the UI then the proper approach and it would  
be fairly trivial is to go ahead with WTP integration...

All J2EE projects in WTP have a notion of a target runtime.  Every  
application is required to have its target runtime set (JBoss,  
WebSphere, Geronimo, etc..).  At any point in time you can retarget  
an applications runtime to a different one.  So if an application's  
runtime is set to JBoss, you can currently swap it over to Geronimo.   
This operation can be extended to perform any other tasks.  In our  
case, we would simply process the projects and traverse through the  
content running any migrations necessary.

I don't think this would be too hard to do.  Its just picking out the  
core peices currently inside J2G that actually do the migration on  
particular resources and wrapping those in 1 or more WTP operations.   
If this approach was taken I would be +1 to integrating this within  
the Eclipse Plugin.

hope that helps.


On Jun 14, 2007, at 5:54 PM, Jason Warner wrote:

> Paul,
> Thanks for the feedback!
> In regards to integration with the eclipse plugin, I don't believe  
> that would be an easy task to accomplish.  From my understanding,   
> the eclipse-plugin runs on top of WTP whereas the J2G tool is a  
> headless plugin.  I believe the J2G tool would need to be rewritten  
> using WTP to allow for integration.
> As for a button or other GUI way of launching the tool, I think  
> that's a great idea.  I'm still rather new to working with eclipse  
> plugins, though, so I'm not quite sure how that could be done.  The  
> tool is launched using a series of scripts, so perhaps a button  
> that can launch these scripts would be feasible.  Anyone know of a  
> better way?
> Jason Warner
> On 6/14/07, Paul McMahan <> wrote: Fantastic  
> work, thanks for your contributions!
> After all this testing and improvement we could consider moving J2G
> from sandbox to a more stable location where it can be properly
> released and maintained.  If our dev community expresses interest in
> doing that then maybe the devtools subproject is a good place for
> it.   Asking for feedback on the users list would help us know how to
> proceed as well.
> Thinking from the user's perspective, I wonder if J2G can be
> integrated with our eclipse plugin somehow?  For example could our
> eclipse plugin wrapper the J2G functionality in a wizard, button, or
> context menu item?  Perhaps something simple for starters, just some
> way launch the tool from inside the IDE.  Since J2G is itself
> implemented as an eclipse plugin it would seem strange to provide no
> UI controls for it or integration point with our current eclipse  
> plugin.
> Best wishes,
> Paul
> On Jun 14, 2007, at 2:26 PM, Jason Warner wrote:
> > Some of you may have noticed the recent activity on the devlist in
> > regards to the J2G conversion tool.  Erik Craig and I have been
> > making significant improvements in the functionality and usability
> > of this tool.  Some of these changes include adding new
> > documentation on the wiki, fixing scripts to provide more
> > functionality, ensuring unix functionality, and general debugging
> > for both the code and the unit tests.  Now that these changes have
> > been made, it might be appropriate to have another look at the tool
> > and see if it is ready to be moved out of sandbox and into
> > devtools.  Any and all comments are welcome.
> >
> > For those interested, here's a link to the documentation http://
> >

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