Java tutorial
/******************************************************************************* * Copyright (c) 2009 Alexander Koderman <ak[at]sernet[dot]de>. * 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, see <http://www.gnu.org/licenses/>. * * Contributors: * Alexander Koderman <ak[at]sernet[dot]de> - initial API and implementation ******************************************************************************/ package sernet.gs.ui.rcp.main.bsi.views.chart; import java.awt.Color; import java.util.Map; import java.util.Map.Entry; import java.util.Set; import org.jfree.chart.ChartFactory; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.CategoryLabelPositions; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import sernet.gs.ui.rcp.main.ExceptionUtil; import sernet.gs.ui.rcp.main.common.model.MassnahmenSummaryHome; import sernet.hui.common.connect.HUITypeFactory; import sernet.hui.common.connect.PropertyType; import sernet.verinice.interfaces.CommandException; import sernet.verinice.model.bsi.MassnahmenUmsetzung; public class UmsetzungBarChart implements IChartGenerator { public JFreeChart createChart() { try { return createBarChart(createBarDataset()); } catch (CommandException e) { ExceptionUtil.log(e, Messages.UmsetzungBarChart_0); return null; } } protected JFreeChart createBarChart(Object dataset) { final float plotForegroundAlpha = 0.6f; JFreeChart chart = ChartFactory.createStackedBarChart3D(null, Messages.UmsetzungBarChart_1, Messages.UmsetzungBarChart_2, (CategoryDataset) dataset, PlotOrientation.HORIZONTAL, false, true, false); chart.setBackgroundPaint(Color.white); chart.getPlot().setForegroundAlpha(plotForegroundAlpha); chart.setBackgroundPaint(Color.white); CategoryPlot plot = (CategoryPlot) chart.getPlot(); plot.getDomainAxis().setCategoryLabelPositions(CategoryLabelPositions.STANDARD); return chart; } protected Object createBarDataset() throws CommandException { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); MassnahmenSummaryHome dao = new MassnahmenSummaryHome(); Map<String, Integer> items = dao.getUmsetzungenSummary(); Set<Entry<String, Integer>> entrySet = items.entrySet(); for (Entry<String, Integer> entry : entrySet) { dataset.addValue(entry.getValue(), getLabel(entry.getKey()), getLabel(entry.getKey())); } return dataset; } private String getLabel(String key) { PropertyType type = HUITypeFactory.getInstance().getPropertyType(MassnahmenUmsetzung.TYPE_ID, MassnahmenUmsetzung.P_UMSETZUNG); if (type == null || type.getOption(key) == null) { return Messages.UmsetzungBarChart_3; } return type.getOption(key).getName(); } }