Here you can find the source of getSortedAttributes(Attributes mainAttributes)
private static Map<String, String> getSortedAttributes(Attributes mainAttributes)
//package com.java2s; /**//from w w w .j a va 2 s.com * ========================================================================================== * = JAHIA'S DUAL LICENSING - IMPORTANT INFORMATION = * ========================================================================================== * * http://www.jahia.com * * Copyright (C) 2002-2018 Jahia Solutions Group SA. All rights reserved. * * THIS FILE IS AVAILABLE UNDER TWO DIFFERENT LICENSES: * 1/GPL OR 2/JSEL * * 1/ GPL * ================================================================================== * * IF YOU DECIDE TO CHOOSE THE GPL LICENSE, YOU MUST COMPLY WITH THE FOLLOWING TERMS: * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * * 2/ JSEL - Commercial and Supported Versions of the program * =================================================================================== * * IF YOU DECIDE TO CHOOSE THE JSEL LICENSE, YOU MUST COMPLY WITH THE FOLLOWING TERMS: * * Alternatively, commercial and supported versions of the program - also known as * Enterprise Distributions - must be used in accordance with the terms and conditions * contained in a separate written agreement between you and Jahia Solutions Group SA. * * If you are unsure which license is appropriate for your use, * please contact the sales department at sales@jahia.com. */ import java.util.*; import java.util.jar.Attributes; public class Main { private static Map<String, String> getSortedAttributes(Attributes mainAttributes) { Map<String, String> sortedMainAttributes = new TreeMap<String, String>(); for (Map.Entry<Object, Object> attributeEntry : mainAttributes.entrySet()) { Attributes.Name attributeName = (Attributes.Name) attributeEntry.getKey(); sortedMainAttributes.put(attributeName.toString(), (String) attributeEntry.getValue()); } return sortedMainAttributes; } }