}

    @Test
    void testMirrorWildcardLookup() {
        Mirror mirrorA = newMirror("a", "a", "http://a");
        Mirror mirrorB = newMirror("b", "b", "http://b");
        Mirror mirrorC = newMirror("c", "*", "http://wildcard");

        List<Mirror> mirrors = Arrays.asList(mirrorA, mirrorB, mirrorC);

        assertSame(mirrorA, mirrorSelector.getMirror(getRepo("a", "http://a.a"), mirrors));

            }
        }

        List<Mirror> mirrors = settings.getMirrors();

        if (mirrors != null) {
            for (Mirror mirror : mirrors) {
                validateStringNotEmpty(problems, "mirrors.mirror.id", mirror.getId(), mirror.getUrl());

                validateBannedCharacters(
                        problems, "mirrors.mirror.id", Severity.WARNING, mirror.getId(), null, ILLEGAL_REPO_ID_CHARS);

                if (repo != null) {
                    Mirror mirror = new Mirror();
                    mirror.setId(repo.getId());
                    mirror.setUrl(repo.getUrl());
                    mirror.setLayout(repo.getContentType());
                    mirror.setBlocked(repo.isBlocked());
                    return mirror;
                }
            }
        }
        return null;
    }

    public static Mirror getMirror(ArtifactRepository repository, List<Mirror> mirrors) {
        String repoId = repository.getId();

        if (repoId != null && mirrors != null) {
            for (Mirror mirror : mirrors) {
                if (repoId.equals(mirror.getMirrorOf()) && matchesLayout(repository, mirror)) {
                    return mirror;
                }
            }

        }

        // <mirrors>
        //   <mirror>
        //     <id>nexus</id>
        //     <mirrorOf>*</mirrorOf>
        //     <url>http://repository.sonatype.org/content/groups/public</url>
        //   </mirror>
        // </mirrors>

        for (Mirror mirror : settings.getMirrors()) {
            request.addMirror(mirror);
        }

   | That repository definition will have a unique id, so we can create a mirror reference for that
   | repository, to be used as an alternate download site. The mirror site will be the preferred
   | server for that repository.
   |-->
  <mirrors>
    <!-- mirror
     | Specifies a repository mirror site to use instead of a given repository. The repository that

        for (Mirror mirror : request.getMirrors()) {
            mirrorSelector.add(
                    mirror.getId(),
                    mirror.getUrl(),
                    mirror.getLayout(),
                    false,
                    mirror.isBlocked(),
                    mirror.getMirrorOf(),
                    mirror.getMirrorOfLayouts());
        }

    }

    @Override
    public List<Mirror> getMirrors() {
        if (mirrors == null) {
            mirrors = new ArrayList<>();
        }
        return mirrors;
    }

    @Override
    public MavenExecutionRequest setMirrors(List<Mirror> mirrors) {
        if (mirrors != null) {
            this.mirrors = new ArrayList<>(mirrors);
        } else {
            this.mirrors = null;

    }

    @Deprecated
    public Mirror getMirrorOf(String repositoryId) {
        Mirror match = null;
        java.util.List<Mirror> mirrors = getMirrors();
        if (mirrors != null && repositoryId != null) {
            for (Mirror mirror : mirrors) {
                if (repositoryId.equals(mirror.getMirrorOf())) {
                    match = mirror;
                    break;
                }

    MavenExecutionRequest setServers(List<Server> servers);

    MavenExecutionRequest addServer(Server server);

    // Mirrors
    List<Mirror> getMirrors();

    MavenExecutionRequest setMirrors(List<Mirror> mirrors);

    MavenExecutionRequest addMirror(Mirror mirror);

    // Plugin groups
    List<String> getPluginGroups();

    MavenExecutionRequest setPluginGroups(List<String> pluginGroups);