AbstractDesignDecorator.java

/*
 * Sonar Total Quality Plugin
 * Copyright (C) 2010 Martin (e72636) and Emilio Escobar Reyero (escoem)
 * dev@sonar.codehaus.org
 *
 * 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.totalquality;

import java.util.List;

import org.sonar.api.batch.DecoratorContext;
import org.sonar.api.measures.Measure;
import org.sonar.api.measures.Metric;
import org.sonar.api.resources.Resource;
import org.sonar.api.utils.ParsingUtils;

public abstract class AbstractDesignDecorator extends AbstractBaseDecorator {

  abstract List<Metric> generatesMetrics();

  double doFileDecoration(final Resource resource, final DecoratorContext context, final Metric orig, final int aceleration,
      final double cota) {
    final double value;

    final Measure measure = context.getMeasure(orig);
    final double metric = measure != null ? measure.getValue() : 0;
    final double top = aceleration <= 1 ? cota : aceleration * cota;

    if (metric <= cota) {
      value = 100.0;
    } else if (metric > top) {
      value = 0.0;
    } else {
      value = ParsingUtils.scaleValue((1 - ((metric - cota) / (top - cota))) * 100, 2);
    }

    return value;
  }

  @Override
  void decorateDir(Resource resource, DecoratorContext context) {
    final List<DecoratorContext> children = context.getChildren();

    if (children != null && !children.isEmpty()) {
      final List<Metric> metrics = generatesMetrics();

      for (Metric metric : metrics) {
        double sum = 0.0;
        double size = 0.0;

        for (DecoratorContext dc : children) {
          final Resource c = dc.getResource();
          if ( !c.getQualifier().equals(Resource.QUALIFIER_UNIT_TEST_CLASS)) {
            final Measure measure = dc.getMeasure(metric);

            if (measure != null && measure.getValue() != null) {
              sum += measure.getValue();
              size = size + 1;
            }
          }
        }
        double value = size > 0.0 ? (sum / size) : -1;
        if (value != -1) {
          context.saveMeasure(new Measure(metric, ParsingUtils.scaleValue(value, 2)));
        }
      }
    }
  }

  @Override
  void decorateProj(Resource resource, DecoratorContext context) {
    decorateDir(resource, context);
  }

}