Class Sorter

app/src/main/java/com/github/catvod/bean/alist/Sorter.java:7–35

import java.util.List;

public class Sorter implements Comparator<Item> {

    private final String type;
    private final String order;

    public static void sort(String type, String order, List<Item> items) {
        Collections.sort(items, new Sorter(type, order));
    }

    public Sorter(String type, String order) {
        this.type = type;
        this.order = order;
    }

    @Override
    public int compare(Item o1, Item o2) {
        boolean asc = order.equals("asc");
        switch (type) {
            case "name":
                return asc ? o1.getName().compareTo(o2.getName()) : o2.getName().compareTo(o1.getName());
            case "size":
                return asc ? Long.compare(o1.getSize(), o2.getSize()) : Long.compare(o2.getSize(), o1.getSize());
            case "date":
                return asc ? o1.getDate().compareTo(o2.getDate()) : o2.getDate().compareTo(o1.getDate());
            default:
                return -1;
        }
    }
}