/**
 * Utility class to extract {@link MavenProject} from the project graph during the execution phase based on optional or
 * required selectors.
 */
public final class ProjectSelector {
    private static final Logger LOGGER = LoggerFactory.getLogger(ProjectSelector.class);

    public Set<MavenProject> getRequiredProjectsBySelectors(
            MavenExecutionRequest request, List<MavenProject> projects, Set<String> projectSelectors)

    private final MultiModuleCollectionStrategy multiModuleCollectionStrategy;
    private final RequestPomCollectionStrategy requestPomCollectionStrategy;
    private final ProjectSelector projectSelector;

    /**
     * @deprecated Use {@link #DefaultGraphBuilder(BuildResumptionDataRepository, PomlessCollectionStrategy,
     * MultiModuleCollectionStrategy, RequestPomCollectionStrategy)} instead or rely on JSR 330

        }
        if (selector instanceof DefaultProjectComponentSelector) {
            DefaultProjectComponentSelector projectSelector = (DefaultProjectComponentSelector) selector;
            ProjectComponentIdentifier projectId = projectSelector.toIdentifier();
            LocalComponentGraphResolveState projectComponent = localComponentRegistry.getComponent(projectId);

    private final SuperPomProvider superPomProvider;

    private final DefaultSessionFactory defaultSessionFactory;

    private final WorkspaceReader ideWorkspaceReader;

    private final ProjectSelector projectSelector;

    @Inject
    @SuppressWarnings("checkstyle:ParameterNumber")
    public DefaultMaven(
            Lookup lookup,
            ExecutionEventCatapult eventCatapult,

import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

class ProjectSelectorTest {
    private final ProjectSelector sut = new ProjectSelector();
    private final MavenExecutionRequest mavenExecutionRequest = mock(MavenExecutionRequest.class);

    @Test
    void getBaseDirectoryFromRequestWhenDirectoryIsNullReturnNull() {