org.kuali.maven.plugins.graph.util.Tracker Maven / Gradle / Ivy

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/**
 * Copyright 2011-2012 The Kuali Foundation
 *
 * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
 *
 * 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 org.kuali.maven.plugins.graph.util;

import java.util.HashMap;

/**
 * 
 * Very simple utility class for tracking occurrences of a string.
 * 
 *
 * @author jeffcaddel
 */
public class Tracker extends HashMap {

    private static final long serialVersionUID = -2649198262211508724L;

    public void increment(String s) {
        if (get(s) == null) {
            put(s, 1);
        } else {
            put(s, get(s) + 1);
        }
    }

}