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/*
 * SonarQube
 * Copyright (C) 2009-2016 SonarSource SA
 * mailto:contact AT sonarsource DOT com
 *
 * 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  02110-1301, USA.
 */
package org.sonar.server.measure.ws;

import org.sonar.db.measure.MeasureDto;
import org.sonar.db.metric.MetricDto;
import org.sonarqube.ws.WsMeasures;

import static org.sonar.server.measure.ws.MeasureValueFormatter.formatMeasureValue;
import static org.sonar.server.measure.ws.MeasureValueFormatter.formatNumericalValue;

class MeasureDtoToWsMeasure {

  private MeasureDtoToWsMeasure() {
    // static methods
  }

  static WsMeasures.Measure measureDtoToWsMeasure(MetricDto metricDto, MeasureDto measureDto) {
    try {
      WsMeasures.Measure.Builder measure = WsMeasures.Measure.newBuilder();
      measure.setMetric(metricDto.getKey());
      // a measure value can be null, new_violations metric for example
      if (measureDto.getValue() != null
        || measureDto.getData() != null) {
        measure.setValue(formatMeasureValue(measureDto, metricDto));
      }

      WsMeasures.PeriodValue.Builder periodBuilder = WsMeasures.PeriodValue.newBuilder();
      for (int i = 1; i <= 5; i++) {
        if (measureDto.getVariation(i) != null) {
          measure.getPeriodsBuilder().addPeriodsValue(periodBuilder
            .clear()
            .setIndex(i)
            .setValue(formatNumericalValue(measureDto.getVariation(i), metricDto)));
        }
      }

      return measure.build();
    } catch (Exception e) {
      throw new IllegalStateException(String.format("Error while mapping a measure of metric key '%s' and parameters %s", metricDto.getKey(), measureDto.toString()), e);
    }
  }
}