com.liferay.portal.kernel.util.OrderedProperties Maven / Gradle / Ivy
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Contains interfaces for the portal services. Interfaces are only loaded by the global class loader and are shared by all plugins.
/**
* Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library 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 Lesser General Public License for more
* details.
*/
package com.liferay.portal.kernel.util;
import java.util.Enumeration;
import java.util.Properties;
import java.util.Vector;
/**
* @author Brian Wing Shun Chan
*/
public class OrderedProperties extends Properties {
public OrderedProperties() {
super();
_names = new Vector();
}
@Override
public Enumeration propertyNames() {
return _names.elements();
}
@Override
public Object put(Object key, Object value) {
if (_names.contains(key)) {
_names.remove(key);
}
_names.add((String)key);
return super.put(key, value);
}
@Override
public Object remove(Object key) {
_names.remove(key);
return super.remove(key);
}
private Vector _names;
}