Posted on 2009-10-19 00:50
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tools
there are lots tools about the java obfuscate. I know two.
(1)proguard
(2)yguard
the proguard support ant, maven. I use maven as the project and build tools. so I want use the maven proguard plugin, but It is not easy to use. so I use yguard.
in your pom.xml, you can add:
<plugin>
<groupId>net.sf.mgp</groupId>
<artifactId>maven-unclasses-plugin</artifactId>
<version>0.0.2</version>
</plugin>
<plugin>
<artifactId>maven-antrun-plugin</artifactId>
<dependencies>
<dependency>
<groupId>yguard</groupId>
<artifactId>yguard</artifactId>
<version>2.3.0</version>
<scope>system</scope>
<systemPath>lib/yguard.jar</systemPath>
</dependency>
</dependencies>
<executions>
<execution>
<phase>package</phase>
<configuration>
<tasks>
<property refid="maven.compile.classpath"
name="mvn.classpath"></property>
<!-- <echo message="Using Maven Classpath: ${mvn.classpath}" /> -->
<taskdef name="yguard"
classname="com.yworks.yguard.YGuardTask"/>
<yguard>
<!-- Input file and output file is the same. -->
<inoutpair
in="${project.build.directory}/${project.build.finalName}.${project.packaging}"
out="${project.build.directory}/${project.build.finalName}.jar"/>
<!-- Obfuscate classes plus string references. -->
<rename
logfile="${project.build.directory}/yguard.log.xml"
replaceClassNameStrings="true">
<!-- Keep the only class to be used for easy running and its public method main(). -->
<keep>
<class classes="public" methods="public">
<patternset>
<include name=”xx.xxx.xxx.util.ConnectionUtil"/>
</patternset>
</class>
</keep>
</rename>
<!-- There are some external libraries used - Maven knows details. -->
<externalclasses>
<pathelement path="${mvn.classpath}"/>
</externalclasses>
</yguard>
</tasks>
</configuration>
<goals>
<goal>run</goal>
</goals>
</execution>
</executions>
</plugin>
It is very cool!!!.