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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