Java tutorial
/* * Sonar SCM Stats Plugin * Copyright (C) 2012 Patroklos PAPAPETROU * 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.scmstats.charts; import com.google.common.annotations.VisibleForTesting; import java.awt.Color; import org.jfree.chart.plot.Plot; import org.sonar.api.charts.AbstractChart; import org.sonar.api.charts.ChartParameters; import java.text.DecimalFormat; import java.text.NumberFormat; import java.util.Arrays; import java.util.List; import org.codehaus.plexus.util.StringUtils; import org.jfree.chart.ChartFactory; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.labels.ItemLabelAnchor; import org.jfree.chart.labels.ItemLabelPosition; import org.jfree.chart.labels.StandardCategoryItemLabelGenerator; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.renderer.category.StackedBarRenderer3D; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.ui.TextAnchor; public class StackedBarChart3D extends AbstractChart { public static final String PARAM_VALUES = "v"; public static final String PARAM_COLORS = "c"; public String getKey() { return "stackedBarChart3D"; } @Override protected Plot getPlot(ChartParameters params) { JFreeChart chart = createChart(createDataset(params.getValue(PARAM_VALUES))); return chart.getPlot(); } @VisibleForTesting private CategoryDataset createDataset(final String data) { final List<String> authors = Arrays.asList(StringUtils.split(data, ";")); final DefaultCategoryDataset defaultcategorydataset = new DefaultCategoryDataset(); for (String author : authors) { String[] authorActivity = StringUtils.split(author, "="); authorActivity[1] = authorActivity[1].replace(".", ""); final String[] activities = StringUtils.split(authorActivity[1]); defaultcategorydataset.addValue(Long.parseLong(activities[0]), "Adding", authorActivity[0]); defaultcategorydataset.addValue(Long.parseLong(activities[1]), "Modifying", authorActivity[0]); defaultcategorydataset.addValue(Long.parseLong(activities[2]), "Deleting", authorActivity[0]); } return defaultcategorydataset; } private JFreeChart createChart(CategoryDataset categorydataset) { JFreeChart jfreechart = ChartFactory.createStackedBarChart3D(null, "Authors", "Activity", categorydataset, PlotOrientation.HORIZONTAL, true, true, false); CategoryPlot categoryplot = (CategoryPlot) jfreechart.getPlot(); NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis(); numberaxis.setNumberFormatOverride(new DecimalFormat("0%")); StackedBarRenderer3D stackedbarrenderer3d = (StackedBarRenderer3D) categoryplot.getRenderer(); stackedbarrenderer3d.setRenderAsPercentages(true); stackedbarrenderer3d.setDrawBarOutline(false); stackedbarrenderer3d.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator("{3}", NumberFormat.getIntegerInstance(), new DecimalFormat("0.0%"))); stackedbarrenderer3d.setBaseItemLabelsVisible(true); stackedbarrenderer3d .setBasePositiveItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER)); stackedbarrenderer3d .setBaseNegativeItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER)); stackedbarrenderer3d.setSeriesPaint(0, Color.decode("#66CD00")); stackedbarrenderer3d.setSeriesPaint(1, Color.decode("#4F94CD")); stackedbarrenderer3d.setSeriesPaint(2, Color.decode("#FF4040")); return jfreechart; } }