* and downloads the artifact in the local repository.  This operation returns a {@link DownloadedArtifact}.
 * </p>
 *
 * @since 4.0.0
 */
@Experimental
@Immutable
public interface Artifact {
    /**
     * {@return a unique identifier for this artifact}.
     * The identifier is composed of groupId, artifactId, extension, classifier, and version.
     *

~~ specific language governing permissions and limitations
~~ under the License.

 ---
 Legacy Artifact Handlers Reference
 ---
 Hervé Boutemy
 ---
 2013-08-02
 ---

Legacy Artifact Handlers Reference

  Maven 3 artifact handlers (see {{{../../compat/maven-artifact/apidocs/org/apache/maven/artifact/handler/ArtifactHandler.html} API}})

        Artifact artifact2 = mock(Artifact.class);
        when(artifact2.getFile()).thenReturn(null);
        when(artifact2.getGroupId()).thenReturn("group1");
        when(artifact2.getArtifactId()).thenReturn("artifact2");
        when(artifact2.getExtension()).thenReturn("ext");
        when(artifact2.getClassifier()).thenReturn("classifier1");
        when(artifact2.getVersion()).thenReturn("1");
        artifacts.add(artifact2);

                artifact.getGroupId(),
                artifact.getArtifactId(),
                artifact.getVersion(),
                null,
                artifact.getProperty(ArtifactProperties.TYPE, artifact.getExtension()),
                nullify(artifact.getClassifier()),
                handler);

        result.setFile(artifact.getFile());

                artifact.getType(),
                artifact.getClassifier(),
                remoteRepositories,
                artifact.getDependencyTrail(),
                t);
        this.artifact = artifact;
    }

    public Artifact getArtifact() {
        return artifact;
    }

    public String getGroupId() {
        return groupId;
    }

    }

    File getTouchfile(Artifact artifact) {
        StringBuilder sb = new StringBuilder(128);
        sb.append(artifact.getArtifactId());
        sb.append('-').append(artifact.getBaseVersion());
        if (artifact.getClassifier() != null) {
            sb.append('-').append(artifact.getClassifier());
        }
        sb.append('.').append(artifact.getType()).append(LAST_UPDATE_TAG);

class ExclusionArtifactFilterTest {
    private Artifact artifact;
    private Artifact artifact2;

    @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");

            if ("pom".equals(artifact.getExtension()) || artifact.getExtension().startsWith("pom.")) {
                if (CONSUMER_POM_CLASSIFIER.equals(artifact.getClassifier())) {
                    consumers.add(artifact);
                } else if ("".equals(artifact.getClassifier())) {
                    mains.add(artifact);
                }
            }
        }

            LOGGER.error("Error while copying artifact " + artifact + " to project local repository.", e);
        }
    }

    private Path getArtifactPath(Artifact artifact) {
        String groupId = artifact.getGroupId();
        String artifactId = artifact.getArtifactId();
        String version = artifact.getBaseVersion();
        String classifier = artifact.getClassifier();

    @Override
    public String getPathForLocalArtifact(Artifact artifact) {
        if (realLocalRepo) {
            return delegate.pathOf(RepositoryUtils.toArtifact(artifact.setVersion(artifact.getBaseVersion())));
        }
        return delegate.pathOf(RepositoryUtils.toArtifact(artifact));
    }

    @Override
    public String getPathForRemoteArtifact(Artifact artifact, RemoteRepository repository, String context) {