this.artifact = artifact;
    }

    @Override
    public boolean storedInGroupDirectory() {
        return false;
    }

    @Override
    public boolean storedInArtifactVersionDirectory() {
        return true;
    }

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

    @Override
    public String getArtifactId() {

    }

    @Override
    public String toString() {
        return "project information for " + artifact.getArtifactId() + " " + artifact.getVersion();
    }

    @Override
    public boolean storedInArtifactVersionDirectory() {
        return true;
    }

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

    @Override
    public Object getKey() {

    /**
     * Whether this metadata should be stored alongside the artifact.
     *
     * @return whether this metadata should be stored alongside the artifact
     */
    boolean storedInArtifactVersionDirectory();

    /**
     * Whether this metadata should be stored alongside the group.
     *
     * @return whether this metadata should be stored alongside the group
     */

        this.artifact = artifact;
    }

    @Override
    public boolean storedInGroupDirectory() {
        return false;
    }

    @Override
    public boolean storedInArtifactVersionDirectory() {
        return false;
    }

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

    @Override
    public String getArtifactId() {

        super(new Metadata());
        this.groupId = groupId;
    }

    @Override
    public boolean storedInGroupDirectory() {
        return true;
    }

    @Override
    public boolean storedInArtifactVersionDirectory() {
        return false;
    }

    @Override
    public String getGroupId() {
        return groupId;
    }

    @Override
    public String getArtifactId() {
        return null;

    public String getArtifactId() {
        return metadata.storedInGroupDirectory() ? "" : emptify(metadata.getArtifactId());
    }

    @Override
    public String getVersion() {
        return metadata.storedInArtifactVersionDirectory() ? emptify(metadata.getBaseVersion()) : "";
    }

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

    private String emptify(String string) {

        private final Metadata metadata;

        ArtifactMetadataAdapter(Metadata metadata) {
            this.metadata = metadata;
        }

        @Override
        public boolean storedInArtifactVersionDirectory() {
            return !metadata.getVersion().isEmpty();
        }

        @Override
        public boolean storedInGroupDirectory() {
            return metadata.getArtifactId().isEmpty();