Re: Understanding directory-based tasks referred to by ID

[Erik Hatcher]

On Friday, December 27, 2002, at 11:58  AM, Chris Brown wrote:

3./ If any of the fileset's attributes are based on expanded
properties,
such as dir="${build}/lib/*.jar", when is this expansion performed?
For
example, what happens if the fileset elements are defined outwith any
task
or target, containing an expandable property, only defined in the
"init"
target, where the fileset is referred to by a later "compile" target
that
depends on "init"...?

This is an easy one.... properties are expanded as soon as the fileset
is constructed, so the properties must be set before the fileset
definition occurs during the build process.

By "constructed", do you mean at the time the build script is "parsed", or
do you mean when some underlying objects (or whatever) are constructed the
first time it's referenced ?

When the build script is run, is what I mean here. When that line is encountered during execution, properties are expanded and handed to the datatype. The fileset datatype has no knowledge that properties are being used, its just receiving a String (or perhaps another datatype that can be constructed from a string representation).

Erik


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