project.getAttachedArtifacts().stream());
        return artifacts.map(RepositoryUtils::toArtifact);
    }

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

    private void installIntoProjectLocalRepository(Artifact artifact) {
        Path target = getArtifactPath(artifact);
        try {

                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();
            } else {
                pomHash = 0;
            }

            }

            @Override
            public String getExtension() {
                return getType().getExtension();
            }

            @Override
            public Type getType() {
                String type = dependency.getType();
                return session.requireType(type);
            }

            @Nonnull
            @Override

        sb.append(getGroupId());
        sb.append(':');
        sb.append(getArtifactId());
        sb.append(':');
        sb.append(getVersion());
        if (getFile() != null) {
            sb.append(" @ ");
            sb.append(getFile().getPath());
        }

        return sb.toString();
    }

    /**
     * @since 2.0.9
     */
    @Override

                artifact.getType(),
                artifact.getClassifier(),
                artifact.getArtifactHandler(),
                artifact.isOptional());
        clone.setRelease(artifact.isRelease());
        clone.setResolvedVersion(artifact.getVersion());
        clone.setResolved(artifact.isResolved());
        clone.setFile(artifact.getFile());

    @Override
    public void artifactInstalling(RepositoryEvent event) {
        logger.info("Installing {} to {}", event.getArtifact().getFile(), event.getFile());
    }

    @Override
    public void metadataInstalling(RepositoryEvent event) {
        logger.debug("Installing {} to {}", event.getMetadata(), event.getFile());
    }

    @Override
    public void metadataResolved(RepositoryEvent event) {

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

    /**

    @Nonnull
    Session getSession();

    String getGroupId();

    String getArtifactId();

    String getVersion();

    String getClassifier();

    String getExtension();

    String getType();

    String getCoordinateString();

    @Nonnull
    static ArtifactCoordinateFactoryRequest build(
            @Nonnull Session session, String groupId, String artifactId, String version, String extension) {

        ArtifactType stereotype = stereotypes.get(dependency.getType());
        if (stereotype == null) {
            // TODO: this here is fishy
            stereotype = new DefaultType(dependency.getType(), Language.NONE, "", null, false);
        }

        boolean system = dependency.getSystemPath() != null

            cal.set(Calendar.HOUR_OF_DAY, 0);
            cal.set(Calendar.MINUTE, 0);
            cal.set(Calendar.SECOND, 0);
            cal.set(Calendar.MILLISECOND, 0);

            if (cal.getTime().after(lastModified)) {
                checkForUpdates = true;
            }
        } else if (updatePolicy.startsWith(UPDATE_POLICY_INTERVAL)) {