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

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Here is the source code for org.sonar.plugins.core.charts.XradarChart.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.plot.Plot;
import org.jfree.chart.plot.SpiderWebPlot;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.sonar.api.charts.AbstractChart;
import org.sonar.api.charts.ChartParameters;

import java.awt.*;

public class XradarChart extends AbstractChart {

    /**
     * see an example of complete URL in XradarChartTest
     */

    public static final String PARAM_COLOR = "c";
    public static final String PARAM_MAX_VALUE = "m";
    public static final String PARAM_INTERIOR_GAP = "g";
    public static final String PARAM_LABELS = "l";
    public static final String PARAM_VALUES = "v";

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

    @Override
    protected Plot getPlot(ChartParameters params) {
        SpiderWebPlot plot = new SpiderWebPlot(createDataset(params));
        plot.setStartAngle(0D);
        plot.setOutlineVisible(false);
        plot.setAxisLinePaint(Color.decode("0xCCCCCC"));
        plot.setSeriesOutlineStroke(new BasicStroke(2f));

        if (params.getValue(PARAM_INTERIOR_GAP) != null) {
            plot.setInteriorGap(Double.parseDouble(params.getValue(PARAM_INTERIOR_GAP, "0.4", false)));
        }
        if (params.getValue(PARAM_MAX_VALUE) != null) {
            plot.setMaxValue(Double.parseDouble(params.getValue(PARAM_MAX_VALUE, "100", false)));
        }
        configureColors(plot, params);
        return plot;
    }

    private void configureColors(SpiderWebPlot plot, ChartParameters params) {
        String[] colors = params.getValues(PARAM_COLOR, "|");
        for (int i = 0; i < colors.length; i++) {
            plot.setSeriesPaint(i, Color.decode("0x" + colors[i]));
        }
    }

    private CategoryDataset createDataset(ChartParameters params) {
        String[] labels = params.getValues(PARAM_LABELS, ",");
        String[] values = params.getValues(PARAM_VALUES, "|");

        DefaultCategoryDataset set = new DefaultCategoryDataset();
        for (int indexValues = 0; indexValues < values.length; indexValues++) {
            String[] fields = StringUtils.split(values[indexValues], ",");
            for (int i = 0; i < fields.length; i++) {
                set.addValue(Double.parseDouble(fields[i]), "" + indexValues, labels[i]);
            }
        }
        return set;
    }
}