@Override
public int compare(Object o1, Object o2) {
if (o1 == null && o2 == null) return 0;
if (o1 == null) return 1; // Null at the end
if (o2 == null) return -1;
return CompareUtils.compare(o1.toString(), o2.toString());
}
public static int compare(Object[] a1, Object[] a2) {
for (int i = 0; i < a1.length || i < a2.length; i++) {
Object o1 = i < a1.length ? a1[i] : null;
Object o2 = i < a2.length ? a2[i] : null;
int c = CompareUtils.compare(o1, o2);
if (c != 0) return c;
}
return 0;
}
@Override
public int compare(Object o1, Object o2) {
return CompareUtils.compareAsDate(o1, o2);
}