private Object findDataset(String matchPath, GribCollectionImmutable topCollection, DatasetCreator visit) throws IOException {
    """
	returns visitor.obtain(), either a GridDataset or a NetcdfDataset
    """
    String[] paths = matchPath.split("/");
    List<String> pathList = (paths.length < 1) ? new ArrayList<>() : Arrays.asList(paths);
    DatasetAndGroup dg = findDatasetAndGroup(pathList, topCollection);
    if (dg != null)
      return visit.obtain(topCollection, dg.ds, dg.group);

    if (!(topCollection instanceof PartitionCollectionImmutable)) return null;
    PartitionCollectionImmutable pc = (PartitionCollectionImmutable) topCollection;
    return findDatasetPartition(visit, pc, pathList);
  }
private Object findDataset(String matchPath, GribCollectionImmutable topCollection, DatasetCreator visit) throws IOException {
    String[] paths = matchPath.split("/");
    List<String> pathList = (paths.length < 1) ? new ArrayList<>() : Arrays.asList(paths);
    DatasetAndGroup dg = findDatasetAndGroup(pathList, topCollection);
    if (dg != null)
      return visit.obtain(topCollection, dg.ds, dg.group);

    if (!(topCollection instanceof PartitionCollectionImmutable)) return null;
    PartitionCollectionImmutable pc = (PartitionCollectionImmutable) topCollection;
    return findDatasetPartition(visit, pc, pathList);
  }
private Object findDataset ( String matchPath , GribCollectionImmutable topCollection , DatasetCreator visit ) throws IOException { String [ ] paths = matchPath . split ( "/" ) ; List < String > pathList = ( paths . length < 1 ) ? new ArrayList <> ( ) : Arrays . asList ( paths ) ; DatasetAndGroup dg = findDatasetAndGroup ( pathList , topCollection ) ; if ( dg != null ) return visit . obtain ( topCollection , dg . ds , dg . group ) ; if ( ! ( topCollection instanceof PartitionCollectionImmutable ) ) return null ; PartitionCollectionImmutable pc = ( PartitionCollectionImmutable ) topCollection ; return findDatasetPartition ( visit , pc , pathList ) ; }
returns visitor.obtain(), either a GridDataset or a NetcdfDataset
returns visitor . obtain () either a GridDataset or a NetcdfDataset