public Object getValueAt(int rowIndex, int columnIndex) {
List rows = getRows();
Object answer = null;
if (rowIndex < 0 || rowIndex >= rows.size()) {
return answer;
}
if (columnIndex < 0 || columnIndex >= columnModel.getColumnCount()) {
return answer;
}
Object row = getRows().get(rowIndex);
rowModel.setValue(row);
DefaultTableColumn column = (DefaultTableColumn) columnModel.getColumn(columnIndex);
if (row == null || column == null) {
return answer;
}
return column.getValue(row, rowIndex, columnIndex);
}
