Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/charts/TimeseriesStepChart.java @ 4043:eb5564662e19
Cosmetics, documentation.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Fri, 05 Oct 2012 15:36:42 +0200 |
parents | 4bd3d8bbb60c |
children | 6d8c7a00e74e |
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package de.intevation.flys.artifacts.charts; import java.awt.Dimension; import java.util.Date; import java.util.GregorianCalendar; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.ui.ApplicationFrame; import org.jfree.data.time.SimpleTimePeriod; import org.jfree.data.time.Second; import org.jfree.data.time.TimeSeries; import org.jfree.data.time.TimeSeriesCollection; import org.jfree.data.time.TimePeriodValues; import org.jfree.data.time.TimePeriodValuesCollection; import org.apache.log4j.Logger; import org.apache.log4j.PropertyConfigurator; public class TimeseriesStepChart extends ApplicationFrame { private static final Logger logger = Logger.getLogger(TimeseriesStepChart.class); public static final String LOG4J_PROPERTIES = "FLYS_CLIENT_LOG4J_PROPERIES"; public static final int USER_CHART_TYPE = Integer.getInteger("chart.type", -1); public static final int CHART_TYPE_TIMEPERIOD = 1; public static final int CHART_TYPE_TIMESERIES = 2; public static void main(String[] args) { configureLogging(); logger.info("Start TimeseriesStepChart demo."); if (USER_CHART_TYPE <= 0) { logger.error("Unknown chart type: " + USER_CHART_TYPE); } logger.debug("Create Chart from type: " + USER_CHART_TYPE); TimeseriesStepChart tsc = new TimeseriesStepChart(); tsc.build(USER_CHART_TYPE); logger.info("End of TimeseriesStepChart demo."); } public static void configureLogging() { String log4jProperties = System.getenv(LOG4J_PROPERTIES); if (log4jProperties != null && log4jProperties.length() > 0) { PropertyConfigurator.configure(log4jProperties); logger.info("Log4J logging initialized."); } else { System.out.println("Error while setting up Log4J configuration."); } System.out.println("LoggingConfigurator.init finished"); } public TimeseriesStepChart() { super("TimeseriesStepChart"); } public void build(int type) { ChartPanel chartPanel = createChartPanel(type); chartPanel.setPreferredSize(new Dimension(500, 300)); setContentPane(chartPanel); pack(); setVisible(true); } protected ChartPanel createChartPanel(int type) { JFreeChart chart = createJFreeChart(type); ChartPanel panel = new ChartPanel(chart); return panel; } protected JFreeChart createJFreeChart(int type) { if (type == CHART_TYPE_TIMEPERIOD) { return createTimePeriodValuesChart(); } else if (type == CHART_TYPE_TIMESERIES) { return createTimeSeriesChart(); } logger.error("Unknown chart type: " + type); return null; } public static Date createDate(int year, int month, int day) { GregorianCalendar cal = new GregorianCalendar(year, month, day); return cal.getTime(); } // // XXX FOLLOWING METHODS ARE USED FOR "TimePeriodValues" CHART TYPE // protected JFreeChart createTimePeriodValuesChart() { return ChartFactory.createTimeSeriesChart( "TimePeriodValues Chart", "Time Axis", "Y Axis", createTimePeriodValuesDataset(), true, false, false); } protected TimePeriodValuesCollection createTimePeriodValuesDataset() { TimePeriodValuesCollection dataset = new TimePeriodValuesCollection(); TimePeriodValues series = createTimePeriodValues(); dataset.addSeries(series); return dataset; } protected TimePeriodValues createTimePeriodValues() { TimePeriodValues series1 = new TimePeriodValues("Series 1"); Date start1 = createDate(2000, 0, 1); Date end1 = createDate(2000, 11, 31); logger.debug("START DATE 1 = " + start1); logger.debug("END DATE 1 = " + end1); SimpleTimePeriod period1 = new SimpleTimePeriod(start1, end1); Date start2 = createDate(2001, 0, 1); Date end2 = createDate(2001, 11, 31); SimpleTimePeriod period2 = new SimpleTimePeriod(start2, end2); Date start3 = createDate(2002, 0, 1); Date end3 = createDate(2002, 11, 31); SimpleTimePeriod period3 = new SimpleTimePeriod(start3, end3); series1.add(period1, 100); series1.add(period2, 200); series1.add(period3, 150); return series1; } // // XXX FOLLOWING METHODS ARE USED FOR "TimePeriodValues" CHART TYPE // protected JFreeChart createTimeSeriesChart() { return ChartFactory.createTimeSeriesChart( "TimeSeriesCollection Chart", "Time Axis", "Y Axis", createTimeSeriesCollectionDataset(), true, false, false); } protected TimeSeriesCollection createTimeSeriesCollectionDataset() { TimeSeriesCollection dataset = new TimeSeriesCollection(); TimeSeries[] series = createTimeSeries(); for (TimeSeries tmp: series) { dataset.addSeries(tmp); } return dataset; } protected TimeSeries[] createTimeSeries() { TimeSeries series1 = new TimeSeries("Series 1"); series1.add(new Second(0, 0, 0, 1, 1, 2000), 100); series1.add(new Second(59, 59, 23, 31, 12, 2000), 100); series1.add(new Second(0, 0, 0, 1, 1, 2001), 200); series1.add(new Second(59, 59, 23, 31, 12, 2001), 200); series1.add(new Second(0, 0, 0, 1, 1, 2002), 150); series1.add(new Second(59, 59, 23, 31, 12, 2002), 150); TimeSeries series2 = new TimeSeries("Series 2"); series2.add(new Second(0, 0, 0, 1, 1, 2000), 10); series2.add(new Second(59, 59, 23, 31, 12, 2000), 10); series2.add(new Second(0, 0, 0, 1, 1, 2001), 20); series2.add(new Second(59, 59, 23, 31, 12, 2001), 20); series2.add(new Second(0, 0, 0, 1, 1, 2002), 15); series2.add(new Second(59, 59, 23, 31, 12, 2002), 15); return new TimeSeries[] { series1, series2 }; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :