RE: Zip files: elegant way of remapping directories while extracting?

["Brown, Carlton" <Ca...@compucredit.com>]

> -----Original Message-----
> From: Stefan Bodewig [mailto:bodewig@apache.org] 
> Sent: Wednesday, November 26, 2008 11:26 AM
> To: user@ant.apache.org
> Subject: Re: Zip files: elegant way of remapping directories 
> while extracting?
> 
> On 2008-11-26, Brown, Carlton <Ca...@compucredit.com> wrote:
> 
> > Here is my fantasy code that would accomplish the <unzip> 
> as elegantly 
> > as the <zip> can be peformed in actuality:
> > <unzip src="web.zip">
> > 	<zipfileset dir="en/html" includes="*" prefix="/root"/>
> > 	<zipfileset dir="en/jsp" includes="*" prefix="/root"/>
> > 	<zipfileset dir="static/pdf" includes="*" prefix="/root/pdf"/> 
> > </unzip>
> 
> wouldn't that be
> 
>   <copy todir="/root">
>     <zipfileset src="web.zip"/>
>     <chainedmapper>
>       <globmapper from="en/html/*" to="*"/>
>       <globmapper from="en/jsp/*" to="*"/>
>       <globmapper from="static/pdf/*" to="pdf/*"/>
>     </chainedmapper>
>   </copy>
> 
> the globmappers should ignore all files that don't match the 
> from patterns.

That's the problem, I don't wish to ignore all files that don't match
the 'from' patterns.  Whatever doesn't match the 'from' pattern should
be extracted normally.   This would be the reverse operation of the
zipfileset 'prefix' allowing certain directories to be remapped, while
leaving the others alone.

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Re: Zip files: elegant way of remapping directories while extracting?

[Stefan Bodewig <bo...@apache.org>]

On 2008-12-02, Brown, Carlton <Ca...@compucredit.com> wrote:

>> From: Stefan Bodewig [mailto:bodewig@apache.org]

>> On 2008-11-26, Brown, Carlton <Ca...@compucredit.com> wrote:

>>> Here is my fantasy code that would accomplish the <unzip>
>> as elegantly
>>> as the <zip> can be peformed in actuality:
>>> <unzip src="web.zip">
>>> 	<zipfileset dir="en/html" includes="*" prefix="/root"/>
>>> 	<zipfileset dir="en/jsp" includes="*" prefix="/root"/>
>>> 	<zipfileset dir="static/pdf" includes="*" prefix="/root/pdf"/>
>>> </unzip>

>> wouldn't that be

>>   <copy todir="/root">
>>     <zipfileset src="web.zip"/>
>>     <chainedmapper>
>>       <globmapper from="en/html/*" to="*"/>
>>       <globmapper from="en/jsp/*" to="*"/>
>>       <globmapper from="static/pdf/*" to="pdf/*"/>
>>     </chainedmapper>
>>   </copy>

>> the globmappers should ignore all files that don't match the
>> from patterns.

> That's the problem, I don't wish to ignore all files that don't match
> the 'from' patterns.

Grab the firstmatch mapper from svn trunk
<http://svn.apache.org/viewvc/ant/core/trunk/src/main/org/apache/tools/ant/util/FirstMatchMapper.java?view=log>,
typedef it and replace the chainedmapper of my example with it - and
add an identity mapper at the end.

This is the least intrusive solution I can offer.  svn trunk offers
more options and so will Ant 1.8.x (no release date planned, yet).

Stefan

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