001/* 002 * Copyright (c) 2004, Codehaus.org 003 * 004 * Permission is hereby granted, free of charge, to any person obtaining a copy of 005 * this software and associated documentation files (the "Software"), to deal in 006 * the Software without restriction, including without limitation the rights to 007 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 008 * of the Software, and to permit persons to whom the Software is furnished to do 009 * so, subject to the following conditions: 010 * 011 * The above copyright notice and this permission notice shall be included in all 012 * copies or substantial portions of the Software. 013 * 014 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 015 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 016 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 017 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 018 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 019 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 020 * SOFTWARE. 021 */ 022 023package org.codehaus.modello; 024 025import java.util.Properties; 026import java.util.Set; 027import java.util.TreeSet; 028 029/** 030 * A Properties class with predictable order: it is sorted by key value. This class is not really fully consistent, 031 * but sufficiently for Modello unit-tests when reading/writing XML samples. 032 * 033 * @author Hervé Boutemy 034 */ 035public class OrderedProperties 036 extends Properties 037{ 038 private static final long serialVersionUID = 4578458610736378768L; 039 040 public Set<Object> keySet() 041 { 042 return new TreeSet<Object>( super.keySet() ); 043 } 044}