private static ImmutableList commonVersionlessArtifacts()

in dashboard/src/main/java/com/google/cloud/tools/opensource/dashboard/DashboardMain.java [596:611]

• 12 lines of code
• 2 McCabe index (conditional complexity)

  private static ImmutableList<String> commonVersionlessArtifacts(
      List<DependencyPath> dependencyPaths) {
    ImmutableList<String> initialVersionlessCoordinates =
        dependencyPaths.get(0).getArtifactKeys();
    // LinkedHashSet remembers insertion order
    LinkedHashSet<String> versionlessCoordinatesIntersection =
        Sets.newLinkedHashSet(initialVersionlessCoordinates);
    for (DependencyPath dependencyPath : dependencyPaths) {
      // List of versionless coordinates ("groupId:artifactId")
      ImmutableList<String> versionlessCoordinatesInPath = dependencyPath.getArtifactKeys();
      // intersection of elements in DependencyPaths
      versionlessCoordinatesIntersection.retainAll(versionlessCoordinatesInPath);
    }

    return ImmutableList.copyOf(versionlessCoordinatesIntersection);
  }