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() {

        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() {

        if (!metadata.storedInGroupDirectory()) {
            path.append(metadata.getArtifactId()).append(PATH_SEPARATOR);

            if (metadata.storedInArtifactVersionDirectory()) {
                path.append(metadata.getBaseVersion()).append(PATH_SEPARATOR);
            }
        }

        path.append(filename);

        return path.toString();
    }

    /**
     * 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
     */