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From Diane Holt <hol...@yahoo.com>
Subject Re: java task and classpath
Date Wed, 23 Jan 2002 18:55:49 GMT
The "${}" format is used to reference properties -- when referencing id's,
use the 'refid' attribute and just the name. Eg:
  <classpath>
    <path refid="project.classpath"/>
    <pathelement location="./lib/core.jar"/>
  </classpath>

To echo the value of the id'd path, you can set a property for it:
  <property name="project.classpath" refid="project.classpath"/>
  <echo message="project.classpath = ${project.classpath}"/>

Diane

--- stephane vaucher <vaucher@LUB.UMontreal.CA> wrote:
> Hello everyone,
> 
> I have a problem using the nested references in nested <classpath>
> attributes. Ant seems to refuse to accept classpaths like the following:
> 
> <classpath>
>    <pathelement path="${project.classpath}"/>
> </classpath>
> 
> In such a case, ant uses its own classpath (from executing
> $ANT_HOME/bin/ant). If I add another element in the classpath such as:
> 
> <classpath>
>    <pathelement path="${project.classpath}"/>
>    <pathelement location="./lib/core.jar" />
> </classpath>
> 
> Ant now only gives me a classpath with "./".
> 
> in a case without references, it works fine:
> 
> <classpath>
>    <pathelement path="./classes"/>
>    <pathelement location="./lib/core.jar" />
> </classpath>
> 
> Ant now only gives me a classpath with "./".
> 
> I don't know if we can use the echo task to print out the content of
> variables, so I wrote a simple Test class that prints out the classpath
>
(System.out.println("[java.class.path,"+System.getProperty("java.class.path")+"]");).
> I haven't seen anyone with a similar problem in the mailing list except
> maybe forked JVM's classpath not clean when using JUnit task. Since I
> have no knowledge of JUnit, I'll assume fornow it's unrelated.
> 
> ------------ ant execution script changes ----------------
> 
> # SV 2001/11/08
> export JAVA_HOME=/usr/java
> export CLASSPATH=$ANTCLASSPATH
> 
> 
> ------------- Code except --------------
> 
> <project name="NADIM" default="all" basedir=".">
> 
>  <!-- defines all of the homes -->
>  <property file="build.properties" />
> 
> ...
> 
>  <path id="project.classpath">
>    <path refid="jini.path" />
>    <path refid="weblogic.path" />
>    <fileset dir="${lib}">
>      <include name="**/*.jar"/>
>    </fileset>
>  </path>
> 
> ...
> 
>  <target name="ejbmake">
>    <!-- should be weblogic.ejbc20,
>         Test only prints out the classpath
>    -->
>    <java classname="Test" fork="yes" >
>       <sysproperty key="weblogic.home" value="${weblogic.home}"/>
>       <arg value="-verbose"/>
>       <arg value="${ejbtmp}"/>
>       <arg value="${ejbjar}"/>
>     <classpath>
>     <pathelement path="${project.classpath}"/>
>     </classpath>
>   </target>
> 
> ...
> </project>
> 
> 
> -------------- Environment ------------------
> RedHat7.1
> Ant 1.4.1
> java version "1.3.1"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.1-b24)
> Java HotSpot(TM) Client VM (build 1.3.1-b24, mixed mode)
> 
> Cheers,
> Stephane Vaucher
> Research Professional
> CIRANO
> 
> --
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> 


=====
(holtdl@yahoo.com)



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