return artifact.getGroupId();
    }

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

    @Override
    public String extendedToString() {
        StringBuilder buffer = new StringBuilder(256);

        buffer.append(LS).append("Artifact Metadata").append(LS).append("--------------------------");

        // replaces?
        AbstractRepositoryMetadata repoMetadata = (AbstractRepositoryMetadata) metadata;
        this.metadata.merge(repoMetadata.getMetadata());
    }

    @Override
    public String extendedToString() {
        StringBuilder buffer = new StringBuilder(256);

        buffer.append(LS).append("Repository Metadata").append(LS).append("--------------------------");

                throws RepositoryMetadataStoreException {
            // not used
        }

        @Override
        public String extendedToString() {
            return metadata.toString();
        }
    }

    static class ArtifactRepositoryAdapter implements ArtifactRepository {

        private final RemoteRepository repository;