if( null == artifact.getGroup( artifact ) )
if( null == artifact.getGroup() )
    public final String resolveBase( Artifact artifact )    {        String version = artifact.getVersion();        if( null == version )        {            if( null == artifact.getGroup() )            {                return artifact.getName();            }            else            {                String group = getGroupPath( artifact );                return group + "/" + artifact.getName();            }        }        else        {            if( null == artifact.getGroup( artifact ) )            {                return artifact.getName() + "/" + version;            }            else            {                String group = getGroupPath( artifact );                return group + "/" + artifact.getName() + "/" + version;            }        }    }