James Fuller wrote:
Douglas Kramer wrote:
I'd like to set up my Ant script to load one set of paths
if I'm building on one machine and a different set of
paths when building on a another machine.
this can be achieved in a variety of ways;
Good, thanks.
In build.properties I have:
run.classpath.javadoc="${JAVA_HOME}/lib/tools.jar"
run.classpath.mifdoclet="${WORKDIR}/build/jar/mifdoclet.jar"
My script is:
<exec dir="${sample}/example-bookfile" executable="java">
<arg line="-classpath
${run.classpath.mifdoclet}:${run.classpath.javadoc}" />
<arg line="-Xmx20M" />
<arg line="com.sun.tools.javadoc.Main" />
<arg line="-doclet
com.sun.tools.doclets.formats.mif.MIFDoclet" />
<arg line="-book book-solaris.xml" />
<arg line="-group 'Summary of Sample Packages' 'com.*'" />
<arg line="-sourcepath ../sample-src com.package1
com.package1.subpackage com.package2" />
</exec>
hmmm, may I suggest using the <java/> task instead of exec ?
Wish I could, but my application (MIF Doclet) currently overrides
classes in tools.jar, so that's not an option. I must be able
to set the classpath to MIFDoclet.class ahead of tools.jar
(which is ${run.classpath.javadoc}). Later, once the changes
are integrated into tools.jar, I will be able to use <java/>.
<java classname="com.sun.tools.javadoc.Main"
fork="true"
failonerror="true"
maxmemory="128m"
>
<arg line="-doclet com.sun.tools.doclets.formats.mif.MIFDoclet" />
<arg line="-book book-solaris.xml" />
<arg line="-group 'Summary of Sample Packages' 'com.*'" />
<arg line="-sourcepath ../sample-src com.package1
com.package1.subpackage com.package2" />
<classpath>
<pathelement location="${run.classpath.mifdoclet}"/>
<pathelement location="${run.classpath.javadoc}"/>
</classpath>
</java>
I assume that the things that are changing are your classpaths?
Yes.
you know you can define reusable classpaths
<path id="myclasspath">
<pathelement location="${run.classpath.mifdoclet}"/>
<pathelement location="${run.classpath.javadoc}"/>
</path>
Yes (however using properties seems to fail for me, but that's
another story)
which can then be refered to by <java/> classpathref attribute
<java classname="com.sun.tools.javadoc.Main"
fork="true"
failonerror="true"
maxmemory="128m"
classpathref="myclasspath"
This is fine. I want it to automatically detect which
machine it's on and switch classpaths without any human intervention.
>
<arg line="-doclet com.sun.tools.doclets.formats.mif.MIFDoclet" />
<arg line="-book book-solaris.xml" />
<arg line="-group 'Summary of Sample Packages' 'com.*'" />
<arg line="-sourcepath ../sample-src com.package1
com.package1.subpackage com.package2" />
</java>
user.home User's home directory
user.dir User's current working directory
How would I set up the condition, please?
not sure exactly what you want....have u seen <condition/> ? you know
you could just supply different property files...
That's fine as long as no manual intervention is required for the
switch. That might be the cleanest -- if an alternate properties
file is present, use it, otherwise, use the default propert
<if>
// alternate.properties exists
<then>
<import file="alternate.properties">
</then>
<else>
<import file="build.properties">
</if>
gl, Jim Fuller
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