public void execute()

in maven-plugin/src/main/java/com/spotify/missinglink/maven/CheckMojo.java [194:256]
51 lines of code
11 McCabe index (conditional complexity)

  public void execute() throws MojoExecutionException, MojoFailureException {

    if (skip) {
      getLog().info("skipping plugin execution since missinglink.skip=true");
      return;
    }

    // when verbose flag is set, log detailed messages to info log. otherwise log to debug. This is
    // so that verbose output from this plugin can be seen easily without having to specify mvn -X.
    final Consumer<String> log = verbose ? msg -> getLog().info(msg) : msg -> getLog().debug(msg);
    logDependencies(log);

    final Set<ConflictCategory> categoriesToInclude;
    try {
      categoriesToInclude =
          includeCategories.stream().map(ConflictCategory::valueOf).collect(Collectors.toSet());
    } catch (IllegalArgumentException e) {
      getLog().error(e);
      throw new MojoExecutionException(
          "Invalid value(s) for 'includeCategories': "
              + includeCategories
              + ". "
              + "Valid choices are: "
              + Joiner.on(", ").join(ConflictCategory.values()));
    }

    if (!ignoreDestinationPackages.isEmpty() && !targetDestinationPackages.isEmpty()) {
      throw new MojoExecutionException(
          "Either ignoreDestinationPackages or targetDestinationPackages can be set, "
              + "but not both.");
    }

    if (!ignoreSourcePackages.isEmpty() && !targetSourcePackages.isEmpty()) {
      throw new MojoExecutionException(
          "Either ignoreSourcePackages or targetSourcePackages can be set, " + "but not both.");
    }

    Collection<Conflict> conflicts = loadArtifactsAndCheckConflicts();
    final int initialCount = conflicts.size();

    conflicts = filterConflicts(conflicts, categoriesToInclude);

    if (conflicts.isEmpty()) {
      getLog().info("No conflicts found");
    } else {
      String warning = conflicts.size() + " conflicts found!";
      if (initialCount != conflicts.size()) {
        warning += " (" + initialCount + " conflicts were found before applying filters)";
      }
      getLog().warn(warning);

      outputConflicts(conflicts);

      if (failOnConflicts) {
        final String message =
            conflicts.size()
                + " class/method conflicts found between source "
                + "code in this project and the runtime dependencies from the Maven"
                + " project. Look above for specific descriptions of each conflict";
        throw new MojoFailureException(message);
      }
    }
  }