jscl.util.ArrayComparator Maven / Gradle / Ivy
package jscl.util;
import java.util.Comparator;
public class ArrayComparator implements Comparator {
public static final Comparator comparator = new ArrayComparator();
private ArrayComparator() {
}
public int compare(Comparable l[], Comparable r[]) {
if (l.length < r.length) {
return -1;
} else if (l.length > r.length) {
return 1;
}
for (int i = l.length - 1; i >= 0; i--) {
if ( l[i] == null && r[i] == null ) {
// continue
} else if (l[i] != null && r[i] == null) {
return -1;
} else if (l[i] == null && r[i] != null) {
return 1;
} else if (l[i].compareTo(r[i]) < 0) {
return -1;
} else if (l[i].compareTo(r[i]) > 0) {
return 1;
}
}
return 0;
}
}