public String getSheetName(int sheet) {
return this.workbook.getSheets().getSheetArray(sheet).getName();
}
public SheetReferences getSheetReferences() {
SheetReferences sr = new SheetReferences();
for(int i=0; i<getNumberOfSheets(); i++) {
sr.addSheetReference(getSheetName(i), i);
}
return sr;
}