001    /**
002     * Copyright 2004-2012 The Kuali Foundation
003     *
004     * Licensed under the Educational Community License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.opensource.org/licenses/ecl2.php
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.kuali.common.threads.listener;
017    
018    /**
019     * Print a dot whenever there is progress of 2% or more
020     */
021    public class PercentCompleteListener<T> extends MavenConsoleListener<T> {
022        int percentageIncrement = 2;
023        int percentCompletePrevious;
024    
025        @Override
026        public void progressOccurred(int count, int total, ProgressEvent<T> event) {
027            int percentComplete = (count * 100) / total;
028            if (enoughProgress(percentComplete)) {
029                percentCompletePrevious = percentComplete;
030                out.print(progressToken);
031            }
032        }
033    
034        protected boolean enoughProgress(int percentComplete) {
035            int needed = percentCompletePrevious + percentageIncrement;
036            return percentComplete >= needed;
037        }
038    
039        public int getPercentageIncrement() {
040            return percentageIncrement;
041        }
042    
043        public void setPercentageIncrement(int percentageIncrement) {
044            this.percentageIncrement = percentageIncrement;
045        }
046    
047    }