public void execute()

in src/main/java/org/apache/maven/resolver/internal/ant/tasks/Resolve.java [107:156]
42 lines of code
11 McCabe index (conditional complexity)

    public void execute() throws BuildException {
        validate();

        AntRepoSys sys = AntRepoSys.getInstance(getProject());

        RepositorySystemSession session = sys.getSession(this, localRepository);
        RepositorySystem system = sys.getSystem();
        log("Using local repository " + session.getLocalRepository(), Project.MSG_VERBOSE);

        DependencyNode root = collectDependencies().getRoot();
        root.accept(new DependencyGraphLogger(this));

        Map<String, Group> groups = new HashMap<>();
        for (ArtifactConsumer consumer : consumers) {
            String classifier = consumer.getClassifier();
            Group group = groups.get(classifier);
            if (group == null) {
                group = new Group(classifier);
                groups.put(classifier, group);
            }
            group.add(consumer);
        }

        for (Group group : groups.values()) {
            group.createRequests(root);
        }

        log("Resolving artifacts", Project.MSG_INFO);

        for (Group group : groups.values()) {
            List<ArtifactResult> results;
            try {
                results = system.resolveArtifacts(session, group.getRequests());
            } catch (ArtifactResolutionException e) {
                if (!group.isAttachments() || failOnMissingAttachments) {
                    throw new BuildException("Could not resolve artifacts: " + e.getMessage(), e);
                }
                results = e.getResults();
                for (ArtifactResult result : results) {
                    if (result.isMissing()) {
                        log("Ignoring missing attachment " + result.getRequest().getArtifact(), Project.MSG_VERBOSE);
                    } else if (!result.isResolved()) {
                        throw new BuildException("Could not resolve artifacts: " + e.getMessage(), e);
                    }
                }
            }

            group.processResults(results, session);
        }
    }