Rodrigo B. de Oliveira wrote:
Hi, I'm migrating an ant based build file to nant. One of the things I need to migrate is the invocation of the java vm passing a classpath as an argument, ant allows one to do it like this:Right now there is no support for this in the exec task directly although now that I think about it it seems reasonable to have a fileset child element on <exec> that just passes the files a list of quoted strings at the end of the arg list - although not all commandline apps will want it formatted that way.
<java classname="junit.textui.TestRunner"> <classpath> <fileset dir="jsunit/lib"> <include name="*.jar"/> </fileset> <fileset dir="jsunit/bin"> <include name="jsunit.jar"/> </fileset> </classpath> <arg value="net.jsunit.StandaloneTest" /> </java>
My question is how can I achieve the same effect with the exec task?
<exec program="java">
<!-- is there any way to get a filelist from a fileset and put it here? -->
<arg value="-cp ?????" />
<arg value="junit.textui.TestRunner" />
<arg value="net.jsunit.StandaloneTest" />
</exec>
Heres how you could do it using the <script> task:
<project name="test" >
<script language="C#">
<imports>
<import name="NAnt.Core.Types" />
</imports>
<code><![CDATA[
[Function("fileset-tolist")]
public string FileSetToList( string fset ) {
FileSet fs = (FileSet)Project.DataTypeReferences[fset];
StringBuilder sb = new StringBuilder();
foreach(string file in fs.FileNames ){
sb.AppendFormat(" \"{0}\" ", file );
}
return sb.ToString();
}]]></code>
</script>
<fileset id="foo">
<include name="*.jar"/>
</fileset>
<exec program="java"> <arg value="${script::fileset-tolist('foo')}" />
</exec>
</project>
I'm also considering implementing a java task just for the fun of it but I'd like to keep my life simple :)
A java task would be kinda cool - somthing that works ikvm would be awesome.
Ian
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