001 /** 002 * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved. 003 * 004 * This library is free software; you can redistribute it and/or modify it under 005 * the terms of the GNU Lesser General Public License as published by the Free 006 * Software Foundation; either version 2.1 of the License, or (at your option) 007 * any later version. 008 * 009 * This library is distributed in the hope that it will be useful, but WITHOUT 010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 011 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 012 * details. 013 */ 014 015 package com.liferay.portlet.dynamicdatamapping.util; 016 017 import java.util.HashMap; 018 019 /** 020 * @author Eduardo Lundgren 021 * @author Marcellus Tavares 022 */ 023 public class DDMFieldsCounter extends HashMap<Object, Integer> { 024 025 @Override 026 public Integer get(Object key) { 027 if (!containsKey(key)) { 028 put(key, 0); 029 } 030 031 return super.get(key); 032 } 033 034 public int incrementKey(Object key) { 035 int value = get(key); 036 037 put(key, ++value); 038 039 return value; 040 } 041 042 }