FileLengthComparator.java

package cn.mutils.core.sort.comparator;

import java.io.File;
import java.util.Comparator;

import cn.mutils.core.sort.Order;
import cn.mutils.core.sort.OrderItem;

/**
 * Comparator for {@link File} uses file length
 */
public class FileLengthComparator extends OrderItem implements Comparator<File> {

    @Override
    public int compare(File lhs, File rhs) {
        long diff = lhs.length() - rhs.length();
        if (diff > 0) {
            return mOrder == Order.ASC ? 1 : -1;
        } else if (diff < 0) {
            return mOrder == Order.ASC ? -1 : 1;
        } else {
            return 0;
        }
    }

}