Just use the maven bundle plugin in your pom, it will embed into the build process and create a bundle of your jar (adds the required OSGi Manifest)
<plugin>
<groupId>org.apache.felix</groupId>
<artifactId>maven-bundle-plugin</artifactId>
<extensions>true</extensions>
<configuration>
<instructions>
<Bundle-SymbolicName>${bundle.symbolicName}</Bundle-SymbolicName>
<Bundle-Version>${project.version}</Bundle-Version>
</instructions>
</plugin>