public String getPreloaderJar(Artifact rootArtifact, Project project) {
    final Artifact artifact = getPreloaderArtifact(rootArtifact, project);
    if (artifact != null) {
      return ((ArchivePackagingElement)artifact.getRootElement()).getArchiveFileName();
    }
    return null;
  }
public String getPreloaderJar(Artifact rootArtifact, Project project)