001/*
002 * Sonar, open source software quality management tool.
003 * Copyright (C) 2008-2012 SonarSource
004 * mailto:contact AT sonarsource DOT com
005 *
006 * Sonar is free software; you can redistribute it and/or
007 * modify it under the terms of the GNU Lesser General Public
008 * License as published by the Free Software Foundation; either
009 * version 3 of the License, or (at your option) any later version.
010 *
011 * Sonar is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014 * Lesser General Public License for more details.
015 *
016 * You should have received a copy of the GNU Lesser General Public
017 * License along with Sonar; if not, write to the Free Software
018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019 */
020
021package org.sonar.squid.math;
022
023import java.util.Collection;
024import java.util.Map;
025import java.util.TreeMap;
026
027import org.sonar.squid.api.SourceCode;
028import org.sonar.squid.measures.MetricDef;
029
030public class MeasuresDistribution {
031
032  private final Collection<SourceCode> units;
033
034  public MeasuresDistribution(Collection<SourceCode> units) {
035    this.units = units;
036  }
037
038  public Map<Integer, Integer> distributeAccordingTo(MetricDef metric, int... thresholds) {
039    Map<Integer, Integer> result = new TreeMap<Integer, Integer>();
040    for (int threshold : thresholds) {
041      result.put(threshold, 0);
042    }
043    for (SourceCode unit : units) {
044      for (int index = thresholds.length - 1; index >= 0; index--) {
045        if (unit.getDouble(metric) >= thresholds[index]) {
046          result.put(thresholds[index], result.get(thresholds[index]) + 1);
047          break;
048        }
049      }
050    }
051    return result;
052  }
053}