我有以下 Ant 目标,它从特定的 .ZIP 存档中提取内容:
<!-- UNPACK-MATH -->
<target name="unpack-math" depends="init-contrib">
<!-- NOTE: the 'unzip' task doesn't fail when it cannot extract over read-only files; however, 'copy' with a 'zipfileset' does. -->
<first id="math.archive">
<fileset dir="${builddir}" includes="MATH_MF*.zip" />
</first>
<if>
<length string="${toString:math.archive}" when="greater" length="0" />
<then>
<copy todir="${basedir}">
<zipfileset src="${toString:math.archive}" />
</copy>
</then>
<else>
<echo message="No math to unpack." />
</else>
</if>
</target>
我现在想做的是“清理”提取的文件。但是,以下方法不起作用:
<!-- CLEAN-MATH -->
<target name="clean-math" depends="init-contrib">
<first id="math.archive">
<fileset dir="${builddir}" includes="MATH_MF*.zip" />
</first>
<if>
<length string="${toString:math.archive}" when="greater" length="0" />
<then>
<delete>
<zipfileset src="${toString:math.archive}" />
</delete>
</then>
<else>
<echo message="No math to clean." />
</else>
</if>
</target>
我得到以下堆栈跟踪:
BUILD FAILED
D:\Development\MForce\Games\gamebuild.xml:214: java.lang.ClassCastException: class org.apache.tools.ant.types.resources.ZipResource doesn't provide files
at org.apache.tools.ant.types.resources.comparators.FileSystem.resourceCompare(FileSystem.java:43)
...
有任何想法吗?