private static ImmutableMap findRootCauses()

in dashboard/src/main/java/com/google/cloud/tools/opensource/dashboard/DashboardMain.java [574:594]

• 16 lines of code
• 4 McCabe index (conditional complexity)

  private static ImmutableMap<String, String> findRootCauses(ClassPathResult classPathResult) {
    // Freemarker is not good at handling non-string keys. Path object in .ftl is automatically
    // converted to String. https://freemarker.apache.org/docs/app_faq.html#faq_nonstring_keys
    ImmutableMap.Builder<String, String> builder = ImmutableMap.builder();

    for (ClassPathEntry entry : classPathResult.getClassPath()) {
      List<DependencyPath> dependencyPaths = classPathResult.getDependencyPaths(entry);

      ImmutableList<String> commonVersionlessArtifacts =
          commonVersionlessArtifacts(dependencyPaths);

      if (dependencyPaths.size() > MINIMUM_NUMBER_DEPENDENCY_PATHS
          && commonVersionlessArtifacts.size() > 1) { // The last paths elements are always same
        builder.put(
            entry.toString(),
            summaryMessage(
                dependencyPaths.size(), commonVersionlessArtifacts, dependencyPaths.get(0)));
      }
    }
    return builder.build();
  }