I am trying to add an obfuscation step while packaging my app. I supposed that I had to insert the Proguard plugin between the compiler plugin and the assembly (the assembly just put all of my app and dependencies into one single jar).
<build>
<finalName>myApp</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.2</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
<plugin>
<groupId>com.github.wvengen</groupId>
<artifactId>proguard-maven-plugin</artifactId>
<version>2.0.11</version>
<executions>
<execution>
<id>obfuscation-packaging</id>
<phase>package</phase>
<goals>
<goal>proguard</goal>
</goals>
<configuration>
<proguardVersion>5.2</proguardVersion>
<obfuscate>true</obfuscate>
<attach>true</attach>
<appendClassifier>false</appendClassifier>
<addMavenDescriptor>true</addMavenDescriptor>
<injar>${project.build.finalName}.jar</injar>
<outjar>${project.build.finalName}.jar</outjar>
<injarNotExistsSkip>true</injarNotExistsSkip>
<libs>
<lib>${java.home}/lib/rt.jar</lib>
</libs>
<options>
...
</options>
</configuration>
</execution>
</executions>
<dependencies>
<dependency>
<groupId>net.sf.proguard</groupId>
<artifactId>proguard-base</artifactId>
<version>5.2</version>
</dependency>
</dependencies>
</plugin>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.4</version>
<executions>
<execution>
<id>create-executable-jar</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
<configuration>
<descriptors>
<descriptor>assembly.xml</descriptor>
</descriptors>
<archive>
<manifest>
<mainClass>myApp.Main</mainClass>
</manifest>
</archive>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
The compiling works fine, so does the obfuscation, but the assembly seems to be made with the normal jar, not the obfuscated one.
Here is my assembly.xml if needed:
<?xml version="1.0" encoding="UTF-8"?>
<assembly>
<id>with-dep</id>
<formats>
<format>jar</format>
</formats>
<includeBaseDirectory>false</includeBaseDirectory>
<dependencySets>
<dependencySet>
<!-- unpack les dépendances avant de les inclures dans le jar final de l'application -->
<unpack>true</unpack>
<scope>runtime</scope>
<useProjectArtifact>false</useProjectArtifact>
</dependencySet>
</dependencySets>
<fileSets>
<fileSet>
<directory>${project.build.outputDirectory}</directory>
<outputDirectory></outputDirectory>
</fileSet>
</fileSets>
</assembly>
In the end, myApp.jar is obfuscated, but myApp-with-dep.jar is not... I also precise that I'm not quite sure about the configuration of my proguard plugin. If you see something weird, say it.
Thanks for your time.
I solved it by abandoning maven assembly plugin to shade plugin. Hope it might help someone.
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.2</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
<!--Obfuscation-->
<plugin>
<groupId>com.github.wvengen</groupId>
<artifactId>proguard-maven-plugin</artifactId>
<version>2.0.13</version>
<executions>
<execution>
<id>obfuscation-packaging</id>
<phase>package</phase>
<goals>
<goal>proguard</goal>
</goals>
<configuration>
<proguardVersion>5.2</proguardVersion>
<obfuscate>true</obfuscate>
<addMavenDescriptor>true</addMavenDescriptor>
<injar>${project.build.finalName}.jar</injar>
<outjar>${project.build.finalName}.jar</outjar>
<mappingFileName>proguard_map.txt</mappingFileName>
<seedFileName>proguard_seed.txt</seedFileName>
<libs>
<lib>${java.home}/lib/rt.jar</lib>
</libs>
<options>
...
</options>
</configuration>
</execution>
</executions>
<dependencies>
<dependency>
<groupId>net.sf.proguard</groupId>
<artifactId>proguard-base</artifactId>
<version>5.2</version>
</dependency>
</dependencies>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>2.4.3</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<transformers>
<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<mainClass>xxx.Main</mainClass>
</transformer>
</transformers>
<filters>
<filter>
<artifact>*:*</artifact>
<excludes>
<exclude>META-INF/*.SF</exclude>
<exclude>META-INF/*.DSA</exclude>
<exclude>META-INF/*.RSA</exclude>
</excludes>
</filter>
</filters>
</configuration>
</execution>
</executions>
</plugin>
来源：https://stackoverflow.com/questions/36150297/how-to-assembly-a-project-after-using-proguard-maven-plugin