listener.newCell(0, 1, "key1");
listener.newCell(0, 2, "value1");
listener.newRow(1,4);
listener.newCell(1, 1, "key2");
listener.newCell(1, 3, "value2");
Properties props = listener.getProperties();
listener.newRow(2, 4);
listener.newCell(1, 1, "key3");