if (artifact == null) {
                    artifact = new MavenArtifact(repository.getUrl(), resource);
                    artifacts.put(resource, artifact);
                }

                return artifact;
            }
        }
    }

        setForceUpdate(request.isForceUpdate());
    }

    public Artifact getArtifact() {
        return artifact;
    }

    public ArtifactResolutionRequest setArtifact(Artifact artifact) {
        this.artifact = artifact;

        return this;
    }

    public ArtifactResolutionRequest setArtifactDependencies(Set<Artifact> artifactDependencies) {
        this.artifactDependencies = artifactDependencies;

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");

        this.result = result;
        this.artifacts = Collections.unmodifiableSet(artifacts);
    }

    @Override
    public Iterator<Artifact> iterator() {
        return artifacts.iterator();
    }

    @Override
    public int size() {
        return artifacts.size();
    }

    @Override
    public DependencyResolutionResult getResult() {
        return result;
    }

            private final Collection<Artifact> artifacts;

            DefaultArtifactInstallerRequest(@Nonnull Session session, @Nonnull Collection<Artifact> artifacts) {
                super(session);
                this.artifacts = unmodifiable(nonNull(artifacts, "artifacts cannot be null"));
            }

            @Nonnull
            @Override
            public Collection<Artifact> getArtifacts() {

    /**
     * Collects the transitive dependencies of some artifacts and builds a dependency graph. Note that this operation is
     * only concerned about determining the coordinates of the transitive dependencies and does not actually resolve the
     * artifact files.
     *
     * @param session the {@link Session}, must not be {@code null}
     * @param artifact the {@link Artifact}, must not be {@code null}

        install(session, Collections.singletonList(artifact));
    }

    /**
     * @param session the repository session
     * @param artifacts Collection of {@link Artifact MavenArtifacts}
     * @throws ArtifactInstallerException In case of an error which can be the a given artifact cannot be found or the
     *             installation has failed.

        super(message, artifact, remoteRepositories);
    }

    public ArtifactResolutionException(String message, Artifact artifact, Throwable cause) {
        super(message, artifact, null, cause);
    }

    public ArtifactResolutionException(
            String message, Artifact artifact, List<ArtifactRepository> remoteRepositories, Throwable cause) {

import java.util.Map;
import java.util.Objects;

import org.eclipse.aether.artifact.AbstractArtifact;
import org.eclipse.aether.artifact.Artifact;

/**
 */
public final class RelocatedArtifact extends AbstractArtifact {

    private final Artifact artifact;

    private final String groupId;

    private final String artifactId;

    private final String classifier;

    private final String extension;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.InvalidRepositoryException;
import org.apache.maven.artifact.factory.ArtifactFactory;
import org.apache.maven.artifact.metadata.ArtifactMetadataRetrievalException;
import org.apache.maven.artifact.metadata.ArtifactMetadataSource;
import org.apache.maven.artifact.metadata.ResolutionGroup;
import org.apache.maven.artifact.repository.ArtifactRepository;