this.classifier = classifier;
    }

    @Override
    public String getDirectory() {
        if (directory == null) {
            return getPackaging() + "s";
        }
        return directory;
    }

    public void setDirectory(final String directory) {
        this.directory = directory;
    }

    @Override
    public String getPackaging() {
        if (packaging == null) {

     */
    private PathModularization() {
        descriptors = Collections.emptyMap();
        isModuleHierarchy = false;
    }

    /**
     * Finds module information in the given JAR file, output directory, or test output directory.
     * If no module is found, or if module information cannot be extracted, then this constructor
     * builds an empty map.
     *

        } else if (file.getPath().startsWith(File.separator)) {
            // drive-relative Windows path, don't align with project directory but with drive root
            s = file.getAbsolutePath();
        } else {
            // an ordinary relative path, align with project directory
            s = new File(new File(basedir, s).toURI().normalize()).getAbsolutePath();
        }

        return s;
    }

     * line.
     *
     * @return The user properties, never {@code null}.
     */
    Map<String, String> getUserProperties();

    /**
     * Gets the base directory of the current project (if any).
     *
     * @return The base directory of the current project or {@code null} if none.
     */
    Path getProjectDirectory();

    /**
     * Gets current calculated project properties
     *

    Instant getStartTime();

    /**
     * Gets the directory of the topmost project being built, usually the current directory or the
     * directory pointed at by the {@code -f/--file} command line argument.
     */
    @Nonnull
    Path getTopDirectory();

    /**
     * Gets the root directory of the session, which is the root directory for the top directory project.
     *

 */
public interface ModelSource extends Source {

    interface ModelLocator {
        /**
         * Returns the file containing the pom or null if a pom can not be
         * found at the given file or in the given directory.
         *
         * @since 4.0.0
         */
        @Nullable
        Path locateExistingPom(@Nonnull Path project);
    }

    @Nullable

            Throwable cause = new MissingProjectException(
                    "Goal requires a project to execute" + " but there is no POM in this directory ("
                            + session.getExecutionRootDirectory() + ")."
                            + " Please verify you invoked Maven from the correct directory.");
            throw new LifecycleExecutionException(messageBuilderFactory, mojoExecution, null, cause);
        }

        // If the build section is present and the project directory is non-null, we should make
        // sure interpolation of the directories below uses translated paths.
        // Afterward, we'll double back and translate any paths that weren't covered during interpolation via the
        // code below...
        translatedPrefixes.add("build.directory");
        translatedPrefixes.add("build.outputDirectory");

import org.slf4j.LoggerFactory;

/**
 * An implementation of a workspace reader that knows how to search the Maven reactor for artifacts, either as packaged
 * jar if it has been built, or only compile output directory if packaging hasn't happened yet.
 *
 */
@Named(ReactorReader.HINT)
@SessionScoped
class ReactorReader implements MavenWorkspaceReader {
    public static final String HINT = "reactor";

            } else if (file.getPath().startsWith(File.separator)) {
                // drive-relative Windows path, don't align with project directory but with drive root
                file = file.getAbsoluteFile();
            } else {
                // an ordinary relative path, align with project directory
                file = new File(new File(basedir, file.getPath()).toURI().normalize()).getAbsoluteFile();
            }
        }