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From: "Vincent Massol" <vmassol@octo.com>
To: "'Jakarta Commons Developers List'" <commons-dev@jakarta.apache.org>
Subject: RE: [Jelly] How to do this?
Date: Sat, 9 Nov 2002 09:36:19 -0000
Organization: OCTO Technology
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Do not worry; I've decided to go for a Jelly Tag.

Thanks
-Vincent

> -----Original Message-----
> From: Vincent Massol [mailto:vmassol@octo.com]
> Sent: 08 November 2002 18:07
> To: 'Jakarta Commons Developers List'
> Subject: [Jelly] How to do this?
> 
> Hi,
> 
> I'd like to be able to pass a list of classnames to the junit swing
test
> runner. These classnames should be extracted from names of files in
the
> file system.
> 
> Something like:
> 
> <fileScanner var="batchscanner">
>   <fileset dir="${maven.cactus.src.dir}" includes="**/*.java"/>
> </fileScanner>
> 
>       <j:forEach var="test" items="${batchscanner.iterator()}">
>         <j:set var="length" value="${test.getPath().length() - 5}"/>
>         ${test.getPath()}.substring(0,${length})}
>       </j:forEach>
> 
> <java classname="junit.swingui.TestRunner" fork="true"
dir="${basedir}">
> 
>   <j:forEach var="test" items="${batchscanner.iterator()}">
>     <j:set var="classname" value="${test.getPath().substring(0,
> test.getPath().length() - '.java'.length())}"/>
>     <arg line="${classname}"/>
>   </j:forEach>
> 
> [...]
> 
> I have 2 problems.
> 
> The first one is that "${test.getPath().substring(0,
> test.getPath().length() - '.java'.length())} does not properly
evaluate.
> I thought that everything inside ${} was a java expression, but
> apparently it isn't so. The problem seems to be that the second
> "test.getPath().length()" does not yield the expected result.
> 
> The second one is that the FileScanner is creating a File Object from
an
> Ant DirectoryScanner by doing the following: new File(
ds.getBasedir(),
> files[fileIndex] );
> 
> Thus, the path that I get from ${tests.getPath()} are absolute paths
> whereas I would need relative ones. Alternatively I need to be able to
> remove the absolute part. I would then need something like:
> 
> ${fullpath.substring((${basedir}/${maven.cactus.src.dir}).length())
> 
> but obviously this would not work.
> 
> I could do all that from a java jelly tag, but I was wondering whether
> there was not an easy jelly solution (maybe scripts? Or even simpler)
to
> the problem?
> 
> Thanks
> -Vincent
> 
> 
> --
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