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From Jan.Mate...@rzf.fin-nrw.de
Subject RE: Antwort: RE: Antwort: AW: Check whether a fileset exist
Date Mon, 29 Sep 2003 05:57:23 GMT
Via Java API you can use Project.getReference() for evaluating.
Here a little build file for testing:


<?xml version="1.0" encoding="ISO-8859-1"?>
<project name="test" basedir=".">

    <fileset id="fs.exists" dir="."/>
    <!-- fs.notexists does not exist :-) -->


    <script language="javascript"> <![CDATA[
        propName = "fs.exists";
        fsExists = project.getReference(propName);
        if (fsExists == null) {
            project.setProperty(propName + ".exist", "false");
        } else {
            project.setProperty(propName + ".exist", "true");
        }
        
        propName = "fs.notexists";
        fsExists = project.getReference(propName);
        if (fsExists == null) {
            project.setProperty(propName + ".exist", "false");
        } else {
            project.setProperty(propName + ".exist", "true");
        }
    ]]></script>

    <echo>
        fileset 'fs.exists'    does exist: ${fs.exists.exist}
        fileset 'fs.notexists' does exist: ${fs.notexists.exist}
    </echo>
</project>


C:\tmp\anttests\checkRefExists>ant
Buildfile: build.xml
     [echo]
     [echo]         fileset 'fs.exists'    does exist: true
     [echo]         fileset 'fs.notexists' does exist: false
     [echo]

BUILD SUCCESSFUL
Total time: 2 seconds




Does that help?


Jan

> -----Original Message-----
> From: Oliver Wulff [mailto:oliver.wulff@zurich.ch]
> Sent: Monday, September 29, 2003 7:47 AM
> To: Ant Users List
> Subject: Antwort: RE: Antwort: AW: Check whether a fileset exist
> 
> 
> 
> 
> 
> 
> I'm using Greebo to download all jars from the Maven repository. I've
> extended Greebo to create a fileset automatically.
> We are using different technologies in Java like Corba, Axis, 
> JBoss, ...
> For each one, you have to generate java source files and compile them.
> I've set up a pluggable build mechanism for Ant with different build
> modules for Corba, Axis, JBoss (XDoclet). You define which 
> build modules
> you want to use in a properties file.
> In some circumstances, the automatically created fileset 
> can't be used for
> compilation. That means, a build module should make the 
> following decision:
> compile the sources with the fileset "orbix.libs" if exists 
> otherwise use
> the default one. That means, the developer can either just do 
> nothing and
> the automatically created fileset is used or he can define a fileset
> explicitly (in this example: "orbix.libs").
> 
> Oliver
> 
> 
> ******************************************************************
> Oliver Wulff
> Zürich Versicherungs-Gesellschaft
> IA4, CoC Middleware
> Postfach, 8085 Zürich
> Telefon: +41- 1 628 58 07
> Fax: +41 - 1 623 58 07
> E-Mail: mailto:oliver.wulff@zurich.ch
> 
> 
> 
>                                                               
>                                                               
>            
>                       Jan.Materne@rzf.                        
>                                                               
>            
>                       fin-nrw.de               An:      
> user@ant.apache.org                                           
>                  
>                                                Kopie:         
>                                                               
>            
>                       29.09.2003 07:14         Thema:   RE: 
> Antwort: AW: Check whether a fileset exist                    
>              
>                       Bitte antworten                         
>                                                               
>            
>                       an "Ant Users                           
>                                                               
>            
>                       List"                                   
>                                                               
>            
>                                                               
>                                                               
>            
>                                                               
>                                                               
>            
> 
> 
> 
> 
> Why do you want to check?
> Simply declare it on the beginning of the buildfile and use 
> that where you
> want.
> The _content_ of that fileset is evaluated when it´s used, 
> not when it´s
> declared.
> 
> 
> Jan
> 
> 
> > I really want to test if a fileset has been created or not. I
> > tried it with
> > <pathconvert> but it fails if the fileset doesn't exist. If
> > the fileset
> > doesn't exist the property shouldn't created.
> >
> > <pathconvert refid="contrib.fs" targetos="unix" 
> property="my.fileset"
> > setOnEmpty="false" />
> >
> > Cheers
> > Oliver
> >
> > -----------------------------------
> >
> > I guess you mean you want to check whether a fileset contains
> > at least one
> > file. You can do this by using <pathconvert/> to transform create a
> > property
> > containing the files present in your fileset. Then you can use the
> > <condition/> task to compare the property obtained with the
> > empty string.
> > Look at the condition task docu in the manual.
> >
> > <project name="pathconvert">
> > <fileset dir="c:/dev/asf/ant" id="myfileset">
> > <include name="**/*.xyz"/>
> > </fileset>
> > <pathconvert refid="myfileset" targetos="unix" 
> property="my.fileset"/>
> > <echo message="my.fileset is ${my.fileset}"/>
> > </project>
> >
> > Cheers,
> >
> > Antoine
> >
> > -----Ursprüngliche Nachricht-----
> > Von: Oliver Wulff [mailto:oliver.wulff@zurich.ch]
> > Gesendet: Donnerstag, 25. September 2003 21:04
> > An: ant-user@jakarta.apache.org
> > Betreff: Check whether a fileset exist
> >
> > Hi
> >
> > Can I check whether a fileset exist?
> >
> > Oliver
> >
> >
> >
> >
> >
> >
> >
> > ******************* BITTE BEACHTEN *******************
> > Diese Nachricht (wie auch allfällige Anhänge dazu) beinhaltet
> > möglicherweise vertrauliche oder gesetzlich geschützte Daten oder
> > Informationen. Zum Empfang derselben ist (sind) ausschliesslich die
> > genannte(n) Person(en) bestimmt. Falls Sie diese Nachricht
> > irrtümlicherweise erreicht hat, sind Sie höflich gebeten, 
> diese unter
> > Ausschluss jeder Reproduktion zu zerstören und die absendende Person
> > umgehend zu benachrichtigen. Vielen Dank für Ihre Hilfe.
> >
> >
> > 
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>  >
> 
> 
> 
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