org.sonar.plugins.core.charts.DistributionAreaChart.java Source code

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Here is the source code for org.sonar.plugins.core.charts.DistributionAreaChart.java

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/*
 * Sonar, open source software quality management tool.
 * Copyright (C) 2008-2012 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.core.charts;

import org.apache.commons.lang.StringUtils;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.Plot;
import org.jfree.chart.renderer.category.AreaRenderer;
import org.jfree.data.category.DefaultCategoryDataset;
import org.sonar.api.charts.AbstractChart;
import org.sonar.api.charts.ChartParameters;

import java.text.NumberFormat;

public class DistributionAreaChart extends AbstractChart {
    private static final String PARAM_COLORS = "c";

    public String getKey() {
        return "distarea";
    }

    @Override
    protected Plot getPlot(ChartParameters params) {
        DefaultCategoryDataset dataset = createDataset(params);

        CategoryAxis domainAxis = new CategoryAxis();
        domainAxis.setCategoryMargin(0.0);
        domainAxis.setLowerMargin(0.0);
        domainAxis.setUpperMargin(0.0);

        NumberAxis rangeAxis = new NumberAxis();
        rangeAxis.setNumberFormatOverride(NumberFormat.getIntegerInstance(params.getLocale()));
        rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

        AreaRenderer renderer = new AreaRenderer();
        CategoryPlot plot = new CategoryPlot(dataset, domainAxis, rangeAxis, renderer);
        plot.setForegroundAlpha(0.5f);
        plot.setDomainGridlinesVisible(true);
        configureColors(dataset, plot, params.getValues(PARAM_COLORS, ","));
        return plot;
    }

    private DefaultCategoryDataset createDataset(ChartParameters params) {
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();

        String[] series = params.getValues("v", "|", true);
        int index = 0;
        while (index < series.length) {
            String[] pairs = StringUtils.split(series[index], ";");
            if (pairs.length == 0) {
                dataset.addValue((Number) 0.0, index, "0");

            } else {
                for (String pair : pairs) {
                    String[] keyValue = StringUtils.split(pair, "=");
                    double val = Double.parseDouble(keyValue[1]);
                    dataset.addValue((Number) val, index, keyValue[0]);
                }
            }
            index++;
        }
        return dataset;
    }
}