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 void draw(double[] v) {
TimeSeries data = new TimeSeries("symbol", FixedMillisecond.class);
dataset1.addSeries(data);
for (int i = 0; i < v.length; i++) {
try {
data.add(new FixedMillisecond(i), v[i]);
} catch (Exception e) {
System.out.println("Unresolved error");
// e.printStackTrace();
}
}
}
public void calcAverage1(int d, Date timestamp) {
try {
double v = 0;
// List l1=x1.getItems();
for (int i = d; i < d + av1; i++) {
v += x1.getValue(x1.getItemCount() - (av1 - i)).doubleValue();
}
average1.add(new FixedMillisecond(timestamp), v / av1);
} catch (Exception e) {
// e.printStackTrace();
// System.out.println(timestamp.toString());
}
}
/**
* actually recalculates the first average (necessary when we change the average settings)
*
* @param d
*/
public void recalculateAverage1() {
// average1=new TimeSeries("av1", FixedMillisecond.class);
average1.delete(0, average1.getItemCount() - 1);
for (int z = 0; z < x1.getItemCount(); z++) {
try {
double v = 0;
// List l1=x1.getItems();
for (int i = z; i < z + av1; i++) {
v += x1.getValue(x1.getItemCount() - (av1 - i)).doubleValue();
}
average1.add(x1.getTimePeriod(z), v / av1);
} catch (Exception e) {
// e.printStackTrace();
// System.out.println(timestamp.toString());
}
}
}