public Chart(String filename) {
try {
// Get Stock Symbol
this.stockSymbol = filename.substring(0, filename.indexOf('.'));
// Create time series
TimeSeries open = new TimeSeries("Open Price", Day.class);
TimeSeries close = new TimeSeries("Close Price", Day.class);
TimeSeries high = new TimeSeries("High", Day.class);
TimeSeries low = new TimeSeries("Low", Day.class);
TimeSeries volume = new TimeSeries("Volume", Day.class);
BufferedReader br = new BufferedReader(new FileReader(filename));
String key = br.readLine();
String line = br.readLine();
while (line != null && !line.startsWith("<!--")) {
StringTokenizer st = new StringTokenizer(line, ",", false);
Day day = getDay(st.nextToken());
double openValue = Double.parseDouble(st.nextToken());
double highValue = Double.parseDouble(st.nextToken());
double lowValue = Double.parseDouble(st.nextToken());
double closeValue = Double.parseDouble(st.nextToken());
long volumeValue = Long.parseLong(st.nextToken());
// Add this value to our series'
open.add(day, openValue);
close.add(day, closeValue);
high.add(day, highValue);
low.add(day, lowValue);
// Read the next day
line = br.readLine();
}
// Build the datasets
dataset.addSeries(open);
dataset.addSeries(close);
dataset.addSeries(low);
dataset.addSeries(high);
datasetOpenClose.addSeries(open);
datasetOpenClose.addSeries(close);
datasetHighLow.addSeries(high);
datasetHighLow.addSeries(low);
JFreeChart summaryChart = buildChart(dataset, "Summary", true);
JFreeChart openCloseChart = buildChart(datasetOpenClose, "Open/Close Data", false);
JFreeChart highLowChart = buildChart(datasetHighLow, "High/Low Data", true);
JFreeChart highLowDifChart =
buildDifferenceChart(datasetHighLow, "High/Low Difference Chart");
// Create this panel
this.setLayout(new GridLayout(2, 2));
this.add(new ChartPanel(summaryChart));
this.add(new ChartPanel(openCloseChart));
this.add(new ChartPanel(highLowChart));
this.add(new ChartPanel(highLowDifChart));
} catch (Exception e) {
e.printStackTrace();
}
}
public Chart(String title, String timeAxis, String valueAxis, TimeSeries data) {
try {
// Build the datasets
dataset.addSeries(data);
// Create the chart
JFreeChart chart =
ChartFactory.createTimeSeriesChart(
title, timeAxis, valueAxis, dataset, true, true, false);
// Setup the appearance of the chart
chart.setBackgroundPaint(Color.white);
XYPlot plot = chart.getXYPlot();
plot.setBackgroundPaint(Color.lightGray);
plot.setDomainGridlinePaint(Color.white);
plot.setRangeGridlinePaint(Color.white);
plot.setAxisOffset(new RectangleInsets(UnitType.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
plot.setDomainCrosshairVisible(true);
plot.setRangeCrosshairVisible(true);
// Tell the chart how we would like dates to read
DateAxis axis = (DateAxis) plot.getDomainAxis();
axis.setDateFormatOverride(new SimpleDateFormat("EEE HH"));
this.add(new ChartPanel(chart));
} catch (Exception e) {
e.printStackTrace();
}
}
private static XYDataset createDataset2A() {
TimeSeries timeseries = new TimeSeries("Series 2");
timeseries.add(new Day(3, 3, 2002), 16853.200000000001D);
timeseries.add(new Day(4, 3, 2002), 19642.299999999999D);
timeseries.add(new Day(5, 3, 2002), 18253.5D);
timeseries.add(new Day(6, 3, 2002), 15352.299999999999D);
timeseries.add(new Day(7, 3, 2002), 13532D);
timeseries.add(new Day(8, 3, 2002), 12635.299999999999D);
timeseries.add(new Day(9, 3, 2002), 13998.200000000001D);
timeseries.add(new Day(10, 3, 2002), 11943.200000000001D);
timeseries.add(new Day(11, 3, 2002), 16943.900000000001D);
timeseries.add(new Day(12, 3, 2002), 17843.200000000001D);
timeseries.add(new Day(13, 3, 2002), 16495.299999999999D);
timeseries.add(new Day(14, 3, 2002), 17943.599999999999D);
timeseries.add(new Day(15, 3, 2002), 18500.700000000001D);
timeseries.add(new Day(16, 3, 2002), 19595.900000000001D);
TimeSeriesCollection timeseriescollection = new TimeSeriesCollection(timeseries);
timeseriescollection.setXPosition(TimePeriodAnchor.MIDDLE);
return timeseriescollection;
}
private static XYDataset createDataset2B() {
TimeSeries timeseries = new TimeSeries("Series 2B");
timeseries.add(new Day(3, 3, 2002), 43.899999999999999D);
timeseries.add(new Day(4, 3, 2002), 72.599999999999994D);
timeseries.add(new Day(5, 3, 2002), 89.400000000000006D);
timeseries.add(new Day(6, 3, 2002), 23.800000000000001D);
timeseries.add(new Day(7, 3, 2002), 45D);
timeseries.add(new Day(8, 3, 2002), 65.799999999999997D);
timeseries.add(new Day(9, 3, 2002), 92.099999999999994D);
timeseries.add(new Day(10, 3, 2002), 84.700000000000003D);
timeseries.add(new Day(11, 3, 2002), 77.200000000000003D);
timeseries.add(new Day(12, 3, 2002), 65.099999999999994D);
timeseries.add(new Day(13, 3, 2002), 78.5D);
timeseries.add(new Day(14, 3, 2002), 75.299999999999997D);
timeseries.add(new Day(15, 3, 2002), 69.900000000000006D);
timeseries.add(new Day(20, 3, 2002), 56.600000000000001D);
TimeSeriesCollection timeseriescollection = new TimeSeriesCollection(timeseries);
timeseriescollection.setXPosition(TimePeriodAnchor.MIDDLE);
return timeseriescollection;
}
