tds/src/main/java/thredds/featurecollection/InvDatasetFeatureCollection.java
protected void makeCollection() {
    Formatter errlog = new Formatter();
    datasetCollection = new MFileCollectionManager(config, errlog, logger);
    topDirectory = datasetCollection.getRoot();
    String errs = errlog.toString();
    if (errs.length() > 0) logger.warn("MFileCollectionManager parse error = {} ", errs);
  }
protected void makeCollection() {
    Formatter errlog = new Formatter();
    datasetCollection = new MFileCollectionManager(config, errlog, logger);
    topDirectory = datasetCollection.getRoot();
    String errs = errlog.toString();
    if (errs.length() > 0) logger.warn("MFileCollectionManager parse error = {} ", errs);
  }
old school : used by FMRC and Point