Oh my god that's so much simpler than what I was doing. Thanks!
--Mike
[email protected] wrote:
<available property="foo" file="foo.txt" value="foo.txt"/>
<available property="foo" file="${env.FOO}" value="${env.FOO}/>
... more available tasks
Because properties are immutable the first hit wins.
Jan
-----Ursprüngliche Nachricht-----
Von: Michael George [mailto:[email protected]]
Gesendet: Freitag, 17. Juli 2009 04:45
An: [email protected]
Betreff: a task for selecting among possible options?
Hello,
I'm trying to clean up our build process, and one of the problems is
that everyone on the team uses a different configuration mechanism
(environment vars, properties files, manual config,...). In trying to
be backwards compatible with everyone's process I find I would like a
task that sets a property by selecting the first valid item
>from a list
of possibilities. For example, I'd like to able to write
something like
<choice property="foo">
<condition> <available file="@{}/foo.txt" /> </condition>
<option value="${env.FOO}" />
<option value="${basedir}/foo" />
<option>
<dirset dir="/usr" includes="**/foo*"/>
</option>
</choice>
To mean "set foo to the first of env.FOO, ${basedir}/foo, and
/usr/*/foo
that contains the file foo.txt." I'd also like to perhaps have the
option of prompting the user if multiple valid choices are found (for
example, with select="first" or select="prompt").
Does anyone know of any tasks that would make this kind of
configuration
easy, before I dive in and try to write one myself? If not, would
people find this useful if I code it up and submit it to ant-contrib?
Thanks!
--Mike
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