org.sonar.plugins.j3c.domain.CoverageComplexityDataSet.java Source code

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Here is the source code for org.sonar.plugins.j3c.domain.CoverageComplexityDataSet.java

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/*
 * Sonar, open source software quality management tool.
 * Copyright (C) 2009 SonarSource
 * mailto:contact AT sonarsource DOT com
 *
 * Sonar 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.
 *
 * Sonar 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 Sonar; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
 */

package org.sonar.plugins.j3c.domain;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import org.jacoco.core.analysis.IMethodCoverage;

import java.util.Collections;
import java.util.List;
import java.util.Map;

/**
 * Created by ccoca
 */
public class CoverageComplexityDataSet {

    private Map<Integer, List<Integer>> dataSet;

    public CoverageComplexityDataSet() {
        this.dataSet = Maps.newTreeMap();
    }

    public void add(IMethodCoverage coverage) {

        Integer complexity = getComplexity(coverage);
        List<Integer> coverages = dataSet.get(complexity);
        if (coverages == null) {
            coverages = Lists.newArrayList();
            dataSet.put(complexity, coverages);
        }
        coverages.add(getCoveragePercentage(coverage));
    }

    private Integer getComplexity(IMethodCoverage coverage) {
        return Integer.valueOf(coverage.getComplexityCounter().getTotalCount());
    }

    private Integer getCoveragePercentage(IMethodCoverage coverage) {
        return Integer.valueOf((int) (coverage.getComplexityCounter().getCoveredRatio() * 100));
    }

    private List<DataPoint> getDataSet() {

        if (dataSet.isEmpty()) {
            return Collections.emptyList();
        }

        ImmutableList.Builder<DataPoint> series = ImmutableList.builder();

        for (Map.Entry<Integer, List<Integer>> entry : dataSet.entrySet()) {
            series.add(new DataPoint(entry.getKey(), entry.getValue()));
        }

        return series.build();
    }

    private Integer getMaxCyclomaticComplexity() {
        if (dataSet.isEmpty()) {
            return 0;
        }

        return Collections.max(dataSet.keySet());
    }

    public String serializeAsJson() {
        StringBuilder json = new StringBuilder();
        json.append("{");
        json.append("\"max_cc\":").append(getMaxCyclomaticComplexity());
        json.append(",\"data\":[");
        List<DataPoint> points = getDataSet();
        for (DataPoint dataPoint : points) {
            json.append(dataPoint.serializeAsJson()).append(",");
        }
        if (!points.isEmpty()) {
            json.deleteCharAt(json.length() - 1);
        }
        json.append("]");
        json.append("}");
        return json.toString();
    }
}