return (ArtifactType) type;
        }
        if (type != null) {
            return new DefaultType(
                    type.id(),
                    type.getLanguage(),
                    type.getExtension(),
                    type.getClassifier(),
                    type.isIncludesDependencies(),
                    type.getPathTypes().toArray(new PathType[0]));
        }
        return null;
    }

                type = new DefaultType(
                        id,
                        languageRegistry.lookup(handler.getLanguage()).orElseGet(() -> handler::getLanguage),
                        handler.getExtension(),
                        handler.getClassifier(),
                        handler.isIncludesDependencies(),
                        JavaPathType.CLASSES,
                        JavaPathType.MODULES);
            }

        return artifact.getGroupId();
    }

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

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

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

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

                        + cause.getMessage(),
                cause);
        this.extension = extension;
    }

    public CoreExtension getExtension() {
        return extension;
    }

    @Override
    public String getClassifier() {
        return classifier;
    }

    @Override
    public String getDirectory() {
        return null;
    }

    @Override
    public String getExtension() {
        return extension;
    }

    @Override
    public String getLanguage() {
        return "none";
    }

    @Override
    public String getPackaging() {
        return packaging;

    private boolean includesDependencies, addedToClasspath;

    public void setExtension(String extension) {
        this.extension = extension;
    }

    @Override
    public String getExtension() {
        return extension;
    }

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

    @Override
    public String getDirectory() {

    /**
     * Returns the file name extension of the artifact;
     * e.g. "jar", "pom", "xml", etc.
     *
     * @return the file extension
     */
    String getExtension();

    String getDirectory();

    /**
     * Returns the default classifier used if a different one is not set in pom.xml.
     *
     * @return the classifier
     */
    String getClassifier();

                session,
                artifact.getGroupId(),
                artifact.getArtifactId(),
                artifact.getVersion().asString(),
                artifact.getClassifier(),
                artifact.getExtension(),
                null));
    }

        return allHandlers.computeIfAbsent(id, k -> {
            Type type = typeRegistry.require(id);
            return new DefaultArtifactHandler(
                    id,
                    type.getExtension(),
                    type.getClassifier(),
                    null,
                    null,
                    type.isIncludesDependencies(),
                    type.getLanguage().id(),

            ArtifactRepository deploymentRepository,
            ArtifactRepository localRepository)
            throws ArtifactDeploymentException {
        String extension = artifact.getArtifactHandler().getExtension();
        File source = new File(basedir, finalName + "." + extension);
        deploy(source, artifact, deploymentRepository, localRepository);
    }

    public void deploy(