Weaving JARs

Weaving already compiled JAR artifacts

AspectJ can weave aspects into already compiled classes in a JAR file. In order to do this with AspectJ Maven Plugin, you need do configure all the JAR files you want to weave in the plugin configuration as shown below.

Note: The artifacts you reference must exist as regular dependencies in the project.

<project>
  <!-- ... -->
  <dependencies>
    <!-- ... -->
    <dependency>
      <groupId>org.aspectj</groupId>
      <artifactId>aspectjrt</artifactId>
      <version>${aspectjVersion}</version>
    </dependency>

     <dependency>
      <groupId>org.agroup</groupId>
      <artifactId>to-weave</artifactId>
      <version>1.0</version>
    </dependency>

    <dependency>
      <groupId>org.anothergroup</groupId>
      <artifactId>gen</artifactId>
      <version>1.0</version>
    </dependency>
    <!-- ... -->
  </dependencies>
  <!-- ... -->
  <build>
    <plugins>
      <plugin>
        <groupId>${project.groupId}</groupId>
        <artifactId>aspectj-maven-plugin</artifactId>
        <version>${project.version}</version>
        <configuration>
          <weaveDependencies>
            <weaveDependency>
              <groupId>org.agroup</groupId>
              <artifactId>to-weave</artifactId>
            </weaveDependency>
            <weaveDependency>
              <groupId>org.anothergroup</groupId>
              <artifactId>gen</artifactId>
            </weaveDependency>
          </weaveDependencies>
        </configuration>
        <executions>
          <execution>
            <goals>
              <goal>compile</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
      <!-- ... -->
    </plugins>
  </build>
  <!-- ... -->
</project>