package com.greenfrvr.hashtagview;
import java.util.List;
import java.util.ListIterator;
/**
* Created by greenfrvr
*/
final class SortUtil {
private SortUtil() {
throw new AssertionError();
}
public static <T> void symmetricSort(List<T> list) {
@SuppressWarnings("unchecked") T[] array = (T[]) new Object[list.size()];
for (int i = 0; i < list.size(); i++) {
if (i % 2 == 0) {
array[(list.size() - i) / 2 + (list.size() % 2 - 1)] = list.get(i);
} else {
array[(list.size() + i) / 2] = list.get(i);
}
}
int j = 0;
ListIterator<T> it = list.listIterator();
while (it.hasNext()) {
it.next();
it.set(array[j++]);
}
}
}