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From "Geir Magnusson Jr." <g...@pobox.com>
Subject Re: [classlib][pack200] Moving pack200 to a separate module?
Date Sun, 15 Oct 2006 01:28:23 GMT
I agree with your motivations.  Lets move it to the javatools/ part of 
the project when I get that done this weekend.

As to the ties to o.a.h.k.VM, I'm sure we can work something out...

geir


Alex Blewitt wrote:
> I was in the process of trying to put together a patch for the new
> stuff that I've added recently, and it turns out that someone's gone
> through and pulled out all of the hard-coded strings in the code and
> added a dependency on
> org.apache.harmony.archive.internal.nls.Messages, which in turn has a
> dependency on org.apache.harmony.kernel.VM. This causes a few
> problems:
> 
> 1) There's now a tighter dependency from the pack200 code to the
> Harmony VM. As I've noted previously, I was wanting to develop this as
> a portable implementation of pack200 so that others could use it
> outside of Harmony; for example, on JVMs prior to 1.5 that don't have
> it built in.
> 
> 2) The messages for Pack200 are now mixed up with the messages for the
> remainder of the archive code, when they don't need to be. That means
> exporting/building a separate Pack200 is going to have extra detritus
> in it that doesn't n eed to be there.
> 
> 3) There were a bunch of messages that I was leaving in the code (in
> Error messages) reminding me to implement certain facets of the code,
> that were never meant to be extracted. These have now been extracted
> into a messages file with less than helpful 'archive.1C' messages left
> behind.
> 
> I'd really like to undo this set of changes and leave message
> externalisation until later, once the implementation is complete. I
> also want to avoid getting the pack200 stuff tied up any more than is
> necessary with the Harmony VM, because it should be possible to use
> this on other VMs (or even the standard Java Sun VM ... the pack200
> code is switchable based on a property in any case).
> 
> I'd also like to move the pack200 into its own module, so that when
> messages do get externalised, they can be processed just for that
> particular set of code and not lumped in with the remainder of the
> archive code. I did suggest this in the past, although there was a
> conclusion at the time that it wasn't worth doing at that time. I feel
> that this is now the justification to separate the pack200 and archive
> modules before it gets any more joined together.
> 
> I'll hold off updating and submitting a patch until we can figure out
> what's best to do with the code.
> 
> Alex.
> 
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