On Jun 16, 2007, at 9:26 PM, Q wrote:
I am reworking the WAR and SSDD targets in a build.xml file and am
trying to add some error checking. I can verify that individual
files like web.xml and LICENSE exist, but I also want to check if
all the required frameworks in my ant.frameworks.wo.wolocalroot
file exist as jars in /Library/WebObjects/lib while building the
war file (like xcode does).
I can create the file list I need to check easily enough, but I am
not sure how to get ant to verify that a list of files exist, or
even iterate over a list checking them individually. I would prefer
to do this without having to add additional taskdef dependencies
other than woproject.
Any suggestions?
--
Seeya...Q
Quinton Dolan - [EMAIL PROTECTED]
Gold Coast, QLD, Australia
Ph: +61 419 729 806
It is possible to do "if-then-else" style logic in ant. It is just
extremely awkward. To tell the truth, every time I need to do it, I
need to re-learn it. It is just very non-intuitive. You want to look
very carefully at the documentation for the <condition> task, the
<available> task and a few others. Maybe a third-party task handles
it more nicely.
Ant is much happier trying to find a resource for you. If you want to
check whether the /System/Library/Frameworks/JavaFoundation.framework
directory exists and fail if it does not, that is a bit awkward. If
you want to say find the framework in one place, or else in another,
or finally in a third, ant is much happier about doing that.
For example:
% cat build.xml
<project name="questions">
<target name="one">
<available file="/System/Library/Frameworks/
JavaFoundation.framework" property="FoundationFound" />
<fail unless="FoundationFound" message="Foundation does not
exist!" />
</target>
<target name="two">
<available file="/System/Library/Frameworks/
NSNothing.framework" property="NothingFound" />
<fail unless="NothingFound" message="Nothing does not
exist, so something exists?" />
</target>
</project>
%
% ant one
Buildfile: build.xml
one:
BUILD SUCCESSFUL
Total time: 0 seconds
%
% ant two
Buildfile: build.xml
two:
BUILD FAILED
/Users/ray/foo/build.xml:9: Nothing does not exist, so something exists?
Total time: 0 seconds
%
%
The words in the "unless" are the names of properties. One can, of
course, set a property to equal the property name. One ends up
expressing the "if-then-else" logic by setting properties and keying
actions off of them.
Not exactly crystal clear, no? But it is possible. It just ends up
looking weird.
- ray
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