@Override protected Object getColumnValue(SoldItem item, int columnIndex) { switch (columnIndex) { case 0: return item.getId(); case 1: return item.getName(); case 2: return item.getPrice(); case 3: return item.getQuantity(); case 4: return item.getSum(); } throw new IllegalArgumentException("Column index out of range"); }
@Override public String toString() { final StringBuffer buffer = new StringBuffer(); for (int i = 0; i < headers.length; i++) buffer.append(headers[i] + "\t"); buffer.append("\n"); for (final SoldItem item : getRows()) { buffer.append(item.getId() + "\t"); buffer.append(item.getName() + "\t"); buffer.append(item.getPrice() + "\t"); buffer.append(item.getQuantity() + "\t"); buffer.append(item.getSum() + "\t"); buffer.append("\n"); } return buffer.toString(); }