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/*
 * Sonar SCM Stats Plugin
 * Copyright (C) 2012 Patroklos PAPAPETROU
 * [email protected]
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
 */
package org.sonar.plugins.scmstats.measures;

import com.google.common.annotations.VisibleForTesting;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.SortedSet;
import java.util.TreeSet;
import org.sonar.api.batch.SensorContext;
import org.sonar.api.measures.Measure;
import org.sonar.api.measures.Metric;
import org.sonar.api.measures.PropertiesBuilder;
import org.sonar.plugins.scmstats.model.CommitsList;

public class CommitsPerUserMeasure {

  private Measure measure;
  private final Map dataMap = new HashMap();
  private final SensorContext context;

  public CommitsPerUserMeasure(
          final Metric metric,
          final Map map,
          final SensorContext context) {
    this.context = context;
    dataMap.putAll(map);
    final SortedSet> sortedSet = entriesSortedByValues(map);
    final PropertiesBuilder> pBuilder = new
            PropertiesBuilder>(metric);
    int counter = 1;
    for (Entry entry : sortedSet){

      pBuilder.add(String.format ("%03d" , counter) + "." + entry.getKey(), entry.getValue().getCommits());
      counter++;
    }
    measure = pBuilder.build();
  }

  public void save() {
    context.saveMeasure(measure);
  }

  public Map getDataMap() {
    return dataMap;
  }

  @VisibleForTesting
  protected final >
    SortedSet> entriesSortedByValues(final Map map) {
    final SortedSet> sortedEntries = new TreeSet>(
      new Comparator>() {
        public int compare(Map.Entry e1, Map.Entry e2) {
          int res = e1.getValue().compareTo(e2.getValue());
          return res != 0 ? res : 1;
        }
      }
    );
    sortedEntries.addAll(map.entrySet());
    return sortedEntries;
  }
}