Mall<Outdoor>.Retailer<Electronics> retailer) {
      return isSubtype(retailer);
    }

    @TestSubtype(suppressGetSupertype = true, suppressGetSubtype = true)
    public Mall<Outdoor>.Shop<? extends Electronics> innerTypeIsSubtype_supertypeWithWildcard(
        Mall<Outdoor>.Retailer<Electronics> retailer) {
      return isSubtype(retailer);
    }

        Mall<Outdoor>.Retailer<Electronics> retailer) {
      return isSubtype(retailer);
    }

    @TestSubtype(suppressGetSupertype = true, suppressGetSubtype = true)
    public Mall<Outdoor>.Shop<? extends Electronics> innerTypeIsSubtype_supertypeWithWildcard(
        Mall<Outdoor>.Retailer<Electronics> retailer) {
      return isSubtype(retailer);
    }

        wagonManager.getArtifact(artifact, repo, null, false);

        assertTrue(artifact.getFile().exists());
        assertEquals("expected", FileUtils.fileRead(artifact.getFile(), "UTF-8"));
    }

    private Artifact createTestPomArtifact(String directory) throws IOException {
        File testData = getTestFile(directory);

    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()) {

    File createFile() throws IOException {
      File file = File.createTempFile("SinkSourceFile", "txt");
      fileThreadLocal.set(file);
      return file;
    }

    File getFile() {
      return fileThreadLocal.get();
    }

    // acts as an override in subclasses that implement SourceSinkFactory
    @SuppressWarnings("EffectivelyPrivate")

                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();

        this.project = project;

        artifact.setFile(project.getArtifact().getFile());
        artifact.setResolved(true);
    }

    /** {@inheritDoc} */
    @Override
    public File getFile() {
        // we need to get the latest file for the project, not the artifact that was created at one point in time
        return project.getArtifact().getFile();
    }

    /** {@inheritDoc} */
    @Override

        return pomRepositories;
    }

    private boolean hasFile(Artifact artifact) {
        return artifact != null
                && artifact.getFile() != null
                && artifact.getFile().exists();
    }

    private List<ArtifactRepository> aggregateRepositories(
            List<ArtifactRepository> requestRepositories, List<ArtifactRepository> pomRepositories) {

        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);

        if (artifact == null) {
            return;
        }

        if (Artifact.SCOPE_SYSTEM.equals(artifact.getScope())) {
            File systemFile = artifact.getFile();

            if (systemFile == null) {
                throw new ArtifactNotFoundException("System artifact: " + artifact + " has no file attached", artifact);
            }