001/*
002 * Sonar, open source software quality management tool.
003 * Copyright (C) 2008-2012 SonarSource
004 * mailto:contact AT sonarsource DOT com
005 *
006 * Sonar is free software; you can redistribute it and/or
007 * modify it under the terms of the GNU Lesser General Public
008 * License as published by the Free Software Foundation; either
009 * version 3 of the License, or (at your option) any later version.
010 *
011 * Sonar is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014 * Lesser General Public License for more details.
015 *
016 * You should have received a copy of the GNU Lesser General Public
017 * License along with Sonar; if not, write to the Free Software
018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019 */
020package org.sonar.plugins.core.charts;
021
022import org.apache.commons.lang.StringUtils;
023import org.jfree.chart.plot.Plot;
024import org.jfree.chart.plot.SpiderWebPlot;
025import org.jfree.data.category.CategoryDataset;
026import org.jfree.data.category.DefaultCategoryDataset;
027import org.sonar.api.charts.AbstractChart;
028import org.sonar.api.charts.ChartParameters;
029
030import java.awt.*;
031
032public class XradarChart extends AbstractChart {
033
034  /**
035   * see an example of complete URL in XradarChartTest
036   */
037
038  public static final String PARAM_COLOR = "c";
039  public static final String PARAM_MAX_VALUE = "m";
040  public static final String PARAM_INTERIOR_GAP = "g";
041  public static final String PARAM_LABELS = "l";
042  public static final String PARAM_VALUES = "v";
043
044  public String getKey() {
045    return "xradar";
046  }
047
048  @Override
049  protected Plot getPlot(ChartParameters params) {
050    SpiderWebPlot plot = new SpiderWebPlot(createDataset(params));
051    plot.setStartAngle(0D);
052    plot.setOutlineVisible(false);
053    plot.setAxisLinePaint(Color.decode("0xCCCCCC"));
054    plot.setSeriesOutlineStroke(new BasicStroke(2f));
055
056    if (params.getValue(PARAM_INTERIOR_GAP) != null) {
057      plot.setInteriorGap(Double.parseDouble(params.getValue(PARAM_INTERIOR_GAP, "0.4", false)));
058    }
059    if (params.getValue(PARAM_MAX_VALUE) != null) {
060      plot.setMaxValue(Double.parseDouble(params.getValue(PARAM_MAX_VALUE, "100", false)));
061    }
062    configureColors(plot, params);
063    return plot;
064  }
065
066  private void configureColors(SpiderWebPlot plot, ChartParameters params) {
067    String[] colors = params.getValues(PARAM_COLOR, "|");
068    for (int i = 0; i < colors.length; i++) {
069      plot.setSeriesPaint(i, Color.decode("0x" + colors[i]));
070    }
071  }
072
073  private CategoryDataset createDataset(ChartParameters params) {
074    String[] labels = params.getValues(PARAM_LABELS, ",");
075    String[] values = params.getValues(PARAM_VALUES, "|");
076
077    DefaultCategoryDataset set = new DefaultCategoryDataset();
078    for (int indexValues = 0; indexValues < values.length; indexValues++) {
079      String[] fields = StringUtils.split(values[indexValues], ",");
080      for (int i = 0; i < fields.length; i++) {
081        set.addValue(Double.parseDouble(fields[i]), "" + indexValues, labels[i]);
082      }
083    }
084    return set;
085  }
086}