common.xml

<project name="common">

    <!-- set global properties for this build -->
    <property name="src" location="src"/>
    <property name="build" location="build"/>
    <property name="docs" location="docs"/>


    <target name="create-jar">
	<property name="file.set" value="all.build.files" />
	<property name="jar.basedir" value="${build}" />
	<tempfile prefix="jar-" property="temp.build.dir" />
	<!-- Make sure *not* to expand properties for class files. Amazingly
	     enough, expanding them results in bad magic numbers, apparently
	     because there are actually strings in the binary files that match
	     the names of Ant properties.
	-->
	<copy todir="${temp.build.dir}">
	    <fileset dir="${jar.basedir}">
		<include name="**/*.class" />
	    </fileset>
	</copy>
	<!-- Everything else is fine, though - UNLESS the user wants to
	     exclude non-class files. -->
	<copy todir="${temp.build.dir}">
	    <fileset dir="${jar.basedir}">
		<exclude name="**/*.class" />
	    </fileset>

	    <filterchain>
		<expandproperties />
	    </filterchain>
	</copy>

	<!-- Now actually create the JAR and delete the temporary
	     directory. -->
	<jar jarfile="${jarfile}" basedir="${temp.build.dir}"
	     excludes="${excludes}" />
	<delete dir="${temp.build.dir}" />
    </target>
</project>