How to Shade a JAR and Relocate Classes in Maven

The example below shows how to shade org.fredy.myjar and guava JARS and rename the Guava classes that contain com.google.guava to org.fredy.com.google.guava.

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63

<project>   <modelVersion>4.0.0</modelVersion>   <groupId>org.fredy</groupId>   <artifactId>shaded</artifactId>   <version>0.0.1</version>   <properties>     <maven.compiler.source>1.8</maven.compiler.source>     <maven.compiler.target>1.8</maven.compiler.target>   </properties>   <dependencies>     <dependency>       <groupId>org.fredy</groupId>       <artifactId>myjar</artifactId>       <version>0.0.1</version>     </dependency>     <dependency>       <groupId>junit</groupId>       <artifactId>junit</artifactId>       <version>4.12</version>     </dependency>   </dependencies>   <build>     <plugins>       <plugin>         <groupId>org.apache.maven.plugins</groupId>         <artifactId>maven-shade-plugin</artifactId>         <version>3.0.0</version>         <configuration>           <relocations>             <relocation>               <pattern>com.google.common</pattern>               <shadedPattern>org.fredy.com.google.common</shadedPattern>             </relocation>           </relocations>         </configuration>         <executions>           <execution>             <phase>package</phase>             <goals>               <goal>shade</goal>             </goals>             <configuration>               <filters>                 <filter>                   <artifact>*:*</artifact>                   <excludes>                     <exclude>META-INF/*.SF</exclude>                     <exclude>META-INF/*.DSA</exclude>                     <exclude>META-INF/*.RSA</exclude>                   </excludes>1                 </filter>               </filters>               <promoteTransitiveDependencies>true</promoteTransitiveDependencies>               <transformers>                 <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>               </transformers>             </configuration>           </execution>         </executions>       </plugin>     </plugins>   </build> </project>