Looks OK to me.
I am using ${java.specification.version} instead of ${ant.java.version} - I
don't know wether this makes a difference, though.
Regards, Ilja
----- Original Message -----
From: "Xavier Loiseau" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, November 08, 2002 2:41 PM
Subject: Checking the java version
> Hi,
>
>
> What is the simplest way of checking the java version
> before running an application ?
>
> What is the simplest way of checking the java version
> before compiling an application ?
>
> This is an important issue since several java versions
> are often installed in a same computer.
>
> I have tried to solve both problems through the ant
> file that you will find below.
>
> But I am still wondering if it is the right way of
> solving those problems.
>
> Could anybody confirm that to me ?
>
> Kind regards.
>
>
> Xav
>
>
>
>
> <project name="sample" default="build" basedir="../">
>
> <target name="run" depends="checkjavaversion">
> <java classname="MyClass"
> fork="yes"
> classpath="MyClassPath" />
> </target>
>
> <target name="compile" depends="checkjavaversion">
> <javac classpath="MyClassPath"
> srcdir="MySourceDir"
> destdir="MyDestDir"
> includes="**/*.java" />
> </target>
>
> <target name="checkjavaversion" >
>
> <condition property="isJavaVersionCorrect">
> <equals arg1="${ant.java.version}"
> arg2="1.3" />
> </condition>
>
> <fail unless="isJavaVersionCorrect"
> message="The java version should be 1.3 !"
> />
>
> </target>
>
> </project>
>
>
>
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