Java tutorial
/* * http://www.jrecruiter.org * * Disclaimer of Warranty. * * Unless required by applicable law or agreed to in writing, Licensor provides * the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, * including, without limitation, any warranties or conditions of TITLE, * NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are * solely responsible for determining the appropriateness of using or * redistributing the Work and assume any risks associated with Your exercise of * permissions under this License. * */ package org.jrecruiter.web.actions.admin; import java.awt.BasicStroke; import java.awt.Color; import java.util.Calendar; import java.util.List; import org.apache.struts2.convention.annotation.Result; import org.jfree.chart.ChartFactory; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.AxisLocation; import org.jfree.chart.axis.DateAxis; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.block.BlockBorder; 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.Marker; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.ValueMarker; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.category.BarRenderer; import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; import org.jfree.chart.title.LegendTitle; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.data.time.Day; import org.jfree.data.time.TimeSeries; import org.jfree.data.time.TimeSeriesCollection; import org.jfree.data.xy.XYDataset; import org.jfree.ui.RectangleAnchor; import org.jfree.ui.RectangleEdge; import org.jfree.ui.RectangleInsets; import org.jfree.ui.TextAnchor; import org.jrecruiter.common.CalendarUtils; import org.jrecruiter.common.CollectionUtils; import org.jrecruiter.model.Job; import org.jrecruiter.model.statistics.JobCountPerDay; import org.jrecruiter.web.actions.BaseAction; /** * List all the jobs. * * @author Gunnar Hillert * @version $Id$ * */ @Result(name = "success", location = "index", type = "redirectAction") public class ShowStatisticsAction extends BaseAction { /** serialVersionUID. */ private static final long serialVersionUID = 4467043520853890820L; private JFreeChart chart; private List<Job> jobs = CollectionUtils.getArrayList(); Boolean displayAjax = Boolean.FALSE; /** * Default view for this controller. * */ public final String execute() { jobs = jobService.getUsersJobsForStatistics(super.getLoggedInUser().getUsername()); if (displayAjax) { return "ajax"; } return INPUT; } /** * */ public final String chartJobsHits() throws Exception { String chartTitle = null; jobs = jobService.getUsersJobsForStatistics(super.getLoggedInUser().getUsername(), 10); chartTitle = "Job Statistics Top 10 - Hits"; final DefaultCategoryDataset dataset = new DefaultCategoryDataset(); for (Job job : jobs) { if (job.getStatistic() != null) { if (job.getStatistic().getCounter().longValue() >= 0) { dataset.addValue(job.getStatistic().getCounter(), job.getJobTitle() + "_" + job.getId(), ""); } } } this.chart = createChart(dataset, chartTitle); return SUCCESS; } private static JFreeChart createChart(final CategoryDataset categorydataset, final String chartTitle) { final JFreeChart chart = ChartFactory.createBarChart(chartTitle, "Jobs", "Number of Hits", categorydataset, PlotOrientation.VERTICAL, true, true, false); final CategoryPlot categoryplot = (CategoryPlot) chart.getPlot(); categoryplot.setNoDataMessage("NO DATA!"); chart.setBackgroundPaint(new Color(245, 245, 255)); chart.setBorderPaint(new Color(204, 204, 204)); chart.setBorderStroke(new BasicStroke(1f)); final LegendTitle legend = chart.getLegend(); legend.setWidth(1000); legend.setPosition(RectangleEdge.BOTTOM); final BlockBorder border = new BlockBorder(new Color(204, 204, 204)); legend.setBorder(border); final CategoryPlot categoryPlot = (CategoryPlot) chart.getPlot(); categoryPlot.setBackgroundPaint(Color.WHITE); categoryPlot.setRangeGridlinePaint(new Color(204, 204, 204)); categoryPlot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT); final NumberAxis numberaxis = (NumberAxis) categoryPlot.getRangeAxis(); numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); final BarRenderer renderer = (BarRenderer) categoryPlot.getRenderer(); renderer.setDrawBarOutline(true); final ItemLabelPosition itemlabelposition = new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER); renderer.setPositiveItemLabelPosition(itemlabelposition); renderer.setItemLabelGenerator(new StandardCategoryItemLabelGenerator()); renderer.setItemLabelsVisible(true); return chart; } public final String chartJobCount() throws Exception { final Calendar calendarToday = CalendarUtils.getCalendarWithoutTime(); final Calendar calendar30 = CalendarUtils.getCalendarWithoutTime(); calendar30.add(Calendar.MONTH, -36); final List<JobCountPerDay> jobCountPerDayList = jobService.getJobCountPerDayAndPeriod(calendar30.getTime(), calendarToday.getTime()); final TimeSeries hitsPerDayData = new TimeSeries("Hits", Day.class); final XYDataset hitsPerDayDataset = new TimeSeriesCollection(hitsPerDayData); this.chart = ChartFactory.createTimeSeriesChart("", super.getText("class.ShowStatisticsAcion.chart.job.count.caption"), "", hitsPerDayDataset, false, true, false); final XYPlot xyplot = (XYPlot) this.chart.getPlot(); for (JobCountPerDay jobCountPerDay : jobCountPerDayList) { final Day day = new Day(jobCountPerDay.getJobDate()); if (jobCountPerDay.getAutomaticallyCleaned()) { final Marker originalEnd = new ValueMarker(day.getFirstMillisecond()); originalEnd.setPaint(new Color(0, 80, 138, 150)); float[] dashPattern = { 6, 2 }; originalEnd.setStroke( new BasicStroke(2, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 10, dashPattern, 0)); originalEnd.setLabelAnchor(RectangleAnchor.TOP_LEFT); originalEnd.setLabelTextAnchor(TextAnchor.TOP_RIGHT); originalEnd.setLabel("C"); originalEnd.setAlpha(0.1F); xyplot.addDomainMarker(originalEnd); } hitsPerDayData.add(day, jobCountPerDay.getTotalNumberOfJobs()); } chart.setBackgroundPaint(new Color(255, 255, 255, 0)); xyplot.setDomainGridlinePaint(Color.LIGHT_GRAY); xyplot.setBackgroundPaint(new Color(255, 255, 255, 0)); xyplot.setRangeGridlinePaint(Color.LIGHT_GRAY); xyplot.setAxisOffset(new RectangleInsets(5D, 5D, 5D, 5D)); xyplot.setDomainCrosshairVisible(true); xyplot.setRangeCrosshairVisible(true); org.jfree.chart.renderer.xy.XYItemRenderer xyitemrenderer = xyplot.getRenderer(); if (xyitemrenderer instanceof XYLineAndShapeRenderer) { XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer) xyitemrenderer; xylineandshaperenderer.setBaseShapesVisible(false); xyitemrenderer.setSeriesPaint(0, new Color(244, 66, 0)); } DateAxis dateaxis = (DateAxis) xyplot.getDomainAxis(); dateaxis.setAutoRange(true); dateaxis.setAutoTickUnitSelection(true); NumberAxis valueAxis = (NumberAxis) xyplot.getRangeAxis(); valueAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); return SUCCESS; } public Boolean getDisplayAjax() { return displayAjax; } public void setDisplayAjax(Boolean displayAjax) { this.displayAjax = displayAjax; } public JFreeChart getChart() { return chart; } public void setChart(JFreeChart chart) { this.chart = chart; } public List<Job> getJobs() { return jobs; } public void setJobs(List<Job> jobs) { this.jobs = jobs; } }