private JFreeChart createChart(XYDataset xydataset) {
JFreeChart jfreechart =
ChartFactory.createTimeSeriesChart(
"Serialization Test 1", "Time", "Value", xydataset, true, true, false);
XYPlot xyplot = (XYPlot) jfreechart.getPlot();
ValueAxis valueaxis = xyplot.getDomainAxis();
valueaxis.setAutoRange(true);
valueaxis.setFixedAutoRange(60000D);
return jfreechart;
}
public SerializationTest1(String s) {
super(s);
lastValue = 100D;
series = new TimeSeries("Random Data");
TimeSeriesCollection timeseriescollection = new TimeSeriesCollection(series);
JFreeChart jfreechart = createChart(timeseriescollection);
JFreeChart jfreechart1 = null;
try {
ByteArrayOutputStream bytearrayoutputstream = new ByteArrayOutputStream();
ObjectOutputStream objectoutputstream = new ObjectOutputStream(bytearrayoutputstream);
objectoutputstream.writeObject(jfreechart);
objectoutputstream.close();
jfreechart = null;
Object obj = null;
series = null;
System.gc();
ObjectInputStream objectinputstream =
new ObjectInputStream(new ByteArrayInputStream(bytearrayoutputstream.toByteArray()));
jfreechart1 = (JFreeChart) objectinputstream.readObject();
objectinputstream.close();
} catch (Exception exception) {
exception.printStackTrace();
}
XYPlot xyplot = (XYPlot) jfreechart1.getPlot();
TimeSeriesCollection timeseriescollection1 = (TimeSeriesCollection) xyplot.getDataset();
series = timeseriescollection1.getSeries(0);
ChartPanel chartpanel = new ChartPanel(jfreechart1);
JButton jbutton = new JButton("Add New Data Item");
jbutton.setActionCommand("ADD_DATA");
jbutton.addActionListener(this);
JPanel jpanel = new JPanel(new BorderLayout());
jpanel.add(chartpanel);
jpanel.add(jbutton, "South");
chartpanel.setPreferredSize(new Dimension(500, 270));
setContentPane(jpanel);
}