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;
            }

        this.project = project;

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

    /** {@inheritDoc} */
    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} */
    public String getGroupId() {

                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;
    }

        return artifact.getArtifactId();
    }

    public String getType() {
        return artifact.getExtension();
    }

    public String getClassifier() {
        return artifact.getClassifier();
    }

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

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

    @Override
    public String toString() {

            }

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

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

            @Nonnull
            @Override

     */
    String getArtifactId();

    /**
     * Gets the type of the constituent's artifact.
     *
     * @return The type, never {@code null}.
     */
    String getType();

    /**
     * Gets the classifier of the constituent's artifact.
     *
     * @return The classifier or an empty string, never {@code null}.
     */
    String getClassifier();

    /**

        this.metadata = metadata;
        this.path = path;
        this.timestamp = timestamp;
    }

    @Override
    public String getType() {
        return MAVEN_METADATA_XML;
    }

    @Deprecated
    @Override
    public File getFile() {
        return path != null ? path.toFile() : null;
    }

    @Override
    public Path getPath() {
        return path;
    }

            } catch (InvalidVersionSpecificationException e) {
                throw new InvalidDependencyVersionException(project.getId(), d, project.getFile(), e);
            }

            if (dependencyArtifact != null) {
                artifacts.add(dependencyArtifact);
            }
        }

        return artifacts;
    }

        if (artifacts != null && !artifacts.isEmpty()) {
            for (Artifact artifact : artifacts) {
                if (!isProvidedArtifact(artifact) && artifact.getFile() != null) {
                    constituents.add(new ArtifactClassRealmConstituent(artifact));
                } else if (logger.isDebugEnabled()) {
                    logger.debug("  Excluded: {}", getId(artifact));