public static ThreddsMetadata.Variables extractVariables(
InvDatasetImpl threddsDataset, GridDataset gridDataset) {
thredds.catalog.DataFormatType fileFormat = threddsDataset.getDataFormatType();
if ((fileFormat != null)
&& (fileFormat.equals(DataFormatType.GRIB1) || fileFormat.equals(DataFormatType.GRIB2))) {
boolean isGrib1 = fileFormat.equals(DataFormatType.GRIB1);
ThreddsMetadata.Variables vars = new ThreddsMetadata.Variables(fileFormat.toString());
for (GridDatatype grid : gridDataset.getGrids()) {
ThreddsMetadata.Variable v = new ThreddsMetadata.Variable();
v.setName(grid.getName());
v.setDescription(grid.getDescription());
v.setUnits(grid.getUnitsString());
// ucar.nc2.Attribute att = grid.findAttributeIgnoreCase("GRIB_param_number");
// String paramNumber = (att != null) ? att.getNumericValue().toString() : null;
if (isGrib1) {
v.setVocabularyName(grid.findAttValueIgnoreCase("GRIB_param_name", "ERROR"));
v.setVocabularyId(grid.findAttributeIgnoreCase("GRIB_param_id"));
} else {
String paramDisc = grid.findAttValueIgnoreCase("GRIB_param_discipline", "");
String paramCategory = grid.findAttValueIgnoreCase("GRIB_param_category", "");
String paramName = grid.findAttValueIgnoreCase("GRIB_param_name", "");
v.setVocabularyName(paramDisc + " / " + paramCategory + " / " + paramName);
v.setVocabularyId(grid.findAttributeIgnoreCase("GRIB_param_id"));
}
vars.addVariable(v);
}
vars.sort();
return vars;
} else { // GRID but not GRIB
ThreddsMetadata.Variables vars = new ThreddsMetadata.Variables("CF-1.0");
for (GridDatatype grid : gridDataset.getGrids()) {
ThreddsMetadata.Variable v = new ThreddsMetadata.Variable();
vars.addVariable(v);
v.setName(grid.getName());
v.setDescription(grid.getDescription());
v.setUnits(grid.getUnitsString());
ucar.nc2.Attribute att = grid.findAttributeIgnoreCase("standard_name");
v.setVocabularyName((att != null) ? att.getStringValue() : "N/A");
}
vars.sort();
return vars;
}
}
