001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
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    }