Displaying HTML documents and accessing the web - An Introduction to Graphical User Interfaces with Java Swing - page 268

Figure 22.1 The online monitor for the DAX stock index

to add new data, access the present data, and to get information necessary for
scaling the data so it fits into the display. The display is implemented in class
MonitorPanel which is derived from JPanel . Class OnlineMonitor is derived
from JFrame .Ithas a MonitorPanel embedded and also contains the main -method
for starting the application. A screen shot is shown in Figure 22.1.

File: its/OnlineMonitor/MonitorThread.java

1. package its.OnlineMonitor;
2.
3.
4. import java.io.BufferedReader;
5. import java.io.InputStreamReader;
6. import java.net.URL;
7. import java.util.StringTokenizer;
8.
9. public class MonitorThread extends Thread{
10.
11.

private static final long delay = 5000;

12.

private String yahooDax =

13.

"http://de.finance.yahoo.com/d/quotes.csv?s=@ˆGDAXI&"+
"f=sl1d1t1c1ohgv&e=.csv";

14.

private MonitorPanel moniPane;

15.

private boolean goOn;

16.
17. public MonitorThread(MonitorPanel mp){

18. moniPane = mp;

19. goOn = true ;

20. }

21.