Obfuscate by Yguard

<target depends="pack" name="obfuscate">
    <mkdir dir="${dist.dir}/obf" />
    <taskdef name="yguard" classname="com.yworks.yguard.YGuardTask">
        <classpath>
            <pathelement location="${YguardJar}" />
        </classpath>
    </taskdef>
    <yguard>
        <inoutpair in="${dist.dir}/${ant.project.name}.jar" out="${dist.dir}/obf/${ant.project.name}.jar" />
        <inoutpair in="${bin.dir}/lib/${yfiles}.jar" out="${dist.dir}/obf/${yfiles}.jar" />
        <rename logfile="rename_log.xml">
            <keep>
                <class classes="private" methods="private" fields="private">
                    <patternset>
                        <include name="com.test.ui.cdfg.custom.**" />
                    </patternset>
                </class>
            </keep>
        </rename>
    </yguard>
    <zip destfile="${dist.dir}/obf/${ant.project.name}.jar" update="true">
        <zipfileset dir="${dist.dir}/obf" includes="${yfiles}.jar" fullpath="lib/${yfiles}.jar" />
    </zip>
    <copy todir="${dist.dir}/" file="${dist.dir}/obf/${ant.project.name}.jar" />

</target>