52 lines
1.1 KiB
Java
52 lines
1.1 KiB
Java
/*
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* To change this template, choose Tools | Templates
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* and open the template in the editor.
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*/
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package org.anjocaido.groupmanager.utils;
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import java.util.Comparator;
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/**
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* @author gabrielcouto
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*/
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public class StringPermissionComparator implements Comparator<String> {
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@Override
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public int compare(String permA, String permB) {
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boolean ap = permA.startsWith("+");
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boolean bp = permB.startsWith("+");
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boolean am = permA.startsWith("-");
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boolean bm = permB.startsWith("-");
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if (ap && bp) {
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return 0;
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}
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if (ap && !bp) {
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return -1;
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}
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if (!ap && bp) {
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return 1;
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}
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if (am && bm) {
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return 0;
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}
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if (am && !bm) {
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return -1;
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}
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if (!am && bm) {
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return 1;
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}
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return permA.compareToIgnoreCase(permB);
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}
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private static StringPermissionComparator instance;
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public static StringPermissionComparator getInstance() {
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if (instance == null) {
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instance = new StringPermissionComparator();
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}
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return instance;
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}
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}
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