On Feb 10, 2005, at 11:41 AM, Matt Benson wrote:
Looks like your main question is how to accumulate, then iterate, over these modules.
Pretty much, except for two things:
1) Stylistically, I'd prefer to that the iteration be implicit rather than explicit, i.e. a declarative style...
2) I'd like to have individual targets for the modules that I can run from the top level, e.g. "ant modules:module:foo".
If I had those targets and could also somehow create
<target name="modules:build-all" depends="modules:module:foo, modules:module:bar, modules:module:baz" />
...which is really what I had in mind for (1).
But if I gotta use explicit iteration then so be it, see below...
It looks as though
ant-contrib has some helpful tasks. You could set a
new property for each of your modules: module.foo=foo
or whatever. Then it appears you could use
ant-contrib's propertyselector task with a select
attribute value of "$${\0}" (you might have to
experiment). This should get you a single property
containing the property-expansion notation of all
matching properties. You can then use this list as
input to ant-contrib's for task, calling your macro
for each module name.
OK, well I finally got the chance to open up this ant-contrib box... :-) and here's what I came up with:
In build.xml:
<!-- Modules -->
<import file="modules.ant"/>
<property name="modules:module:foo" value="foo" />
<property name="modules:module:bar" value="bar" /><target name="modules" depends="modules:build-all"/>
...then, in modules.ant:
<project name="modules">
<taskdef resource="net/sf/antcontrib/antcontrib.properties"/>
<target name="modules.build-module">
<echo message=":::::::::: building module: ${name} ::::::::::"
/>
<mkdir dir="webapp/modules" />
<exec dir="webapp/modules" executable="ln">
<arg line="-sfh ${basedir}/modules/${name}/mount ${name}"
/>
</exec>
<ant dir="modules/${name}" />
</target> <propertyselector property="modules:modules"
match="modules:module:(.*)"
select="\1"
/> <target name="modules:build-all">
<foreach
list="${modules:modules}"
target="modules.build-module"
param="name"
/>
</target></project>
I still need to add the Subversion stuff, then this will be 95% of what I want, and the other 5% I can live without... :-)
Thanks for the suggestion! —ml—
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