}

    public void metadataInvalid(RepositoryEvent event) {
        println("metadataInvalid", event.getMetadata().toString());
    }

    public void metadataResolved(RepositoryEvent event) {
        println("metadataResolved", event.getMetadata() + " from " + event.getRepository());
    }

    public void metadataResolving(RepositoryEvent event) {

        dispatcher.onEvent(event);
        delegate.metadataInvalid(event);
    }

    @Override
    public void metadataResolved(RepositoryEvent event) {
        dispatcher.onEvent(event);
        delegate.metadataResolved(event);
    }

    @Override
    public void metadataResolving(RepositoryEvent event) {
        dispatcher.onEvent(event);

    }

    @Override
    public void metadataInstalling(RepositoryEvent event) {
        logger.debug("Installing {} to {}", event.getMetadata(), event.getFile());
    }

    @Override
    public void metadataResolved(RepositoryEvent event) {
        Exception e = event.getException();
        if (e != null) {
            if (e instanceof MetadataNotFoundException) {
                logger.debug(e.getMessage());