XPropertySet.class, xSheetDoc);
XSpreadsheets sheets = xSheetDoc.getSheets();
String[] names = sheets.getElementNames();
XDatabaseRanges dbRanges = null;
XImportable xImp = null;
try {
Object sheet = sheets.getByName(names[0]);
xImp = (XImportable) UnoRuntime.queryInterface(XImportable.class,
sheet);