return artifact.getClassifier();
    }

    @Override
    public String getVersion() {
        return artifact.getBaseVersion();
    }

    @Override
    public File getFile() {
        return artifact.getFile();
    }

    @Override
    public String toString() {
        return artifact.toString();
    }

                artifact.getProperty(ArtifactProperties.TYPE, artifact.getExtension()),
                nullify(artifact.getClassifier()),
                handler);

        result.setFile(artifact.getFile());
        result.setResolved(artifact.getFile() != null);

        List<String> trail = new ArrayList<>(1);
        trail.add(result.getId());
        result.setDependencyTrail(trail);

        return result;
    }

                boolean resolveManagedVersions,
                ArtifactRepository localRepository,
                List<ArtifactRepository> remoteRepositories) {
            File file = artifact.getFile();
            this.artifact = ArtifactUtils.copyArtifact(artifact);
            if ("pom".equals(artifact.getType()) && file != null) {
                pomHash = file.getPath().hashCode() + file.lastModified();

        MavenProject war = session.getProjects().get(2);

        assertNull(war.getArtifactMap()
                .get("org.apache.maven.its.mng6300:mng6300-lib")
                .getFile());

        lib.getArtifact().setFile(new File("lib.jar"));

        resolver.resolveProjectDependencies(
                war, scopesToCollect, scopesToResolve, session, aggregating, reactorArtifacts);

        } catch (final Exception e) {
            throw new ExtractException("Failed to extract data.", e);
        } finally {
            if (dfos != null && !dfos.isInMemory()) {
                final File file = dfos.getFile();
                try {
                    Files.delete(file.toPath());
                } catch (final IOException e) {
                    logger.warn("Failed to delete {}.", file.getAbsolutePath(), e);

        this.settingsBuilder = settingsBuilder;
    }

    @Override
    public Settings buildSettings() throws IOException, XmlPullParserException {
        File userSettingsFile = getFile(
                "${user.home}/.m2/settings.xml", "user.home", MavenSettingsBuilder.ALT_USER_SETTINGS_XML_LOCATION);

        return buildSettings(userSettingsFile);
    }

    @Override

     * <p>
     * Visible for testing.
     */
    static boolean isLocalRepositoryArtifactOrMissing(RepositorySystemSession session, Artifact artifact) {
        return artifact.getFile() == null
                || artifact.getFile()
                        .getPath()
                        .startsWith(session.getLocalRepository().getBasedir().getPath());
    }

    /**

        assertArgumentNotNull("url", url);

        final String s = url.getFile();
        return URLUtil.decode(s, "UTF8");
    }

    /**
     * Returns the file of the resource.
     *
     * @param url
     *            The resource URL. Must not be {@literal null}.
     * @return The file.
     */
    public static File getFile(final URL url) {
        assertArgumentNotNull("url", url);

        when(project.getPackaging()).thenReturn("jar");
        when(project.getName()).thenReturn("Apache Maven Embedder");
        when(project.getVersion()).thenReturn("3.5.4-SNAPSHOT");
        when(project.getFile()).thenReturn(new File(basedir, "maven-embedder/pom.xml"));
        when(event.getProject()).thenReturn(project);

        MavenProject rootProject = mock(MavenProject.class);

    private static final String TOUCHFILE_NAME = "resolver-status.properties";

    @Override
    public boolean isUpdateRequired(Artifact artifact, ArtifactRepository repository) {
        File file = artifact.getFile();

        ArtifactRepositoryPolicy policy = artifact.isSnapshot() ? repository.getSnapshots() : repository.getReleases();

        if (!policy.isEnabled()) {
            if (getLogger().isDebugEnabled()) {