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best way to create an empty patternset?

best way to create an empty patternset?

2007-05-14       - By Jay Dickon Glanville
Reply:     1     2  

Hello all.

What's the best way to create an empty patternset (that is, a pattern
set that will result in no inclusions)?

Why on earth would I want such a thing?  I have two common tasks
(compile and deploy) that are repeated for several applications.
Because of this repetition, I've created two <macrodef>s.  Both of
these take a patternset as an attribute (the first macro uses it in a
classpath, and the second copys all jars into a staging area).
Therefore, a patternset needs to exist for all applications that use
these macros.

One of my applications doesn't have any jar dependencies.  So, I need
an empty patternset so that nothing is included in the classpath or
copied to the staging area.

Any suggestions?


PS: I'm using Ant 1.6.5 due to some other limitations.

Jay Dickon Glanville

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