return dependency.getGroupId() + ":" + dependency.getArtifactId() + ":"
                + dependency.getType().id() + ":" + dependency.getClassifier();
    }

    private static String getDependencyKey(Dependency dependency) {
        return dependency.getGroupId() + ":" + dependency.getArtifactId() + ":"

    DefaultProjectBuildingResult(
            MavenProject project, List<ModelProblem> problems, DependencyResolutionResult dependencyResolutionResult) {
        this.projectId = (project != null)
                ? project.getGroupId() + ':' + project.getArtifactId() + ':' + project.getVersion()
                : "";
        this.pomFile = (project != null) ? project.getFile() : null;
        this.project = project;

            ArtifactDescriptorResult artifactDescriptorResult) {
        boolean pcdPresent = artifactDescriptorResult.getDependencies().stream()
                .filter(d -> "org.codehaus.plexus".equals(d.getArtifact().getGroupId()))
                .anyMatch(d -> "plexus-container-default".equals(d.getArtifact().getArtifactId()));

        if (pcdPresent) {
            pluginValidationManager.reportPluginValidationIssue(

            throws IOException {
        serializer.startTag(NAMESPACE, tagName);
        if (coreExtension.getGroupId() != null) {
            serializer
                    .startTag(NAMESPACE, "groupId")
                    .text(coreExtension.getGroupId())
                    .endTag(NAMESPACE, "groupId");
        }
        if (coreExtension.getArtifactId() != null) {
            serializer

    @BeforeEach
    void setup() {
        artifact = mock(Artifact.class);
        when(artifact.getGroupId()).thenReturn("org.apache.maven");
        when(artifact.getArtifactId()).thenReturn("maven-core");

        artifact2 = mock(Artifact.class);
        when(artifact2.getGroupId()).thenReturn("org.junit.jupiter");
        when(artifact2.getArtifactId()).thenReturn("junit-jupiter-engine");
    }

    @Test

    public IncludesArtifactFilter(List<String> patterns) {
        this.patterns = new LinkedHashSet<>(patterns);
    }

    @Override
    public boolean include(Artifact artifact) {
        String id = artifact.getGroupId() + ":" + artifact.getArtifactId();

        boolean matched = false;
        for (Iterator<String> i = patterns.iterator(); i.hasNext() & !matched; ) {

 *
 */
public interface ClassRealmConstituent {

    /**
     * Gets the group id of the constituent's artifact.
     *
     * @return The group id, never {@code null}.
     */
    String getGroupId();

    /**
     * Gets the artifact id of the constituent's artifact.
     *
     * @return The artifact id, never {@code null}.
     */
    String getArtifactId();

    /**

                        + cause.getMessage(),
                cause);
        // Convert to old type
        CoreExtension oldExtension = new CoreExtension();
        oldExtension.setGroupId(extension.getGroupId());
        oldExtension.setArtifactId(extension.getArtifactId());
        oldExtension.setVersion(extension.getVersion());
        if (extension.getClassLoadingStrategy() != null) {

        {
            if ( d.getExclusions() != null )
            {
                for ( Exclusion e : d.getExclusions() )
                {
                    exclusions.add(  e.getGroupId() + ":" + e.getArtifactId() );
                }
            }
        }

        ArtifactFilter scopeFilter = new ScopeArtifactFilter( scope );

        ArtifactFilter filter;

    private final Artifact parent;

    public AttachedArtifact(Artifact parent, String type, String classifier, ArtifactHandler artifactHandler) {
        super(
                parent.getGroupId(),
                parent.getArtifactId(),
                parent.getVersionRange(),
                parent.getScope(),
                type,
                classifier,
                artifactHandler,