io.fabric8.maven.support.OrderedProperties Maven / Gradle / Ivy

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/*
 * Copyright 2005-2016 Red Hat, Inc.                                    
 *                                                                      
 * Red Hat licenses this file to you under the Apache License, version  
 * 2.0 (the "License"); you may not use this file except in compliance  
 * with the License.  You may obtain a copy of the License at           
 *                                                                      
 *    http://www.apache.org/licenses/LICENSE-2.0                        
 *                                                                      
 * Unless required by applicable law or agreed to in writing, software  
 * distributed under the License is distributed on an "AS IS" BASIS,    
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or      
 * implied.  See the License for the specific language governing        
 * permissions and limitations under the License.
 */
package io.fabric8.maven.support;

import java.util.Collections;
import java.util.Enumeration;
import java.util.Properties;
import java.util.Vector;

/**
 * Properties class with ordering by key
 */
public class OrderedProperties extends Properties {

	@Override
	public Enumeration keys() {
		Enumeration keysEnum = super.keys();
		Vector keyList = new Vector();
		while (keysEnum.hasMoreElements()) {
			keyList.add((String) keysEnum.nextElement());
		}
		Collections.sort(keyList);
		return keyList.elements();
	}
}