1    package ip.gui.applets; 
2     
3    import java.applet.Applet; 
4    import java.awt.*; 
5    import java.net.MalformedURLException; 
6    import java.net.URL; 
7     
8     
9    public class NetImageSelectorApplet extends Applet { 
10       Choice ch = new Choice(); 
11       Toolkit tk = Toolkit.getDefaultToolkit(); 
12       Label lb = new Label("Select Image"); 
13       Image image; 
14       URL url; 
15       String st = 
16               "net.ftp://vinny.bridgeport.edu/home/net.ftp/pub/ipij/images/"; 
17    
18    
19       public void init() { 
20           try { 
21               url = new URL(st + "baboon.JPEG"); 
22           } catch (MalformedURLException e) { 
23               e.printStackTrace(); 
24           } 
25    
26           image = 
27                   tk.getImage(url); 
28    
29           // 
30           ch.addItem("baboon.JPEG"); 
31           ch.addItem("girl.JPEG"); 
32           ch.addItem("lena.JPEG"); 
33           ch.addItem("peppers.JPEG"); 
34    
35           add(lb); 
36           add(ch); 
37       } 
38    
39       public void processEvent(AWTEvent e1) { 
40           if (e1.getSource() instanceof Choice) { 
41               try { 
42                   url = new URL(st + ch.getSelectedItem()); 
43               } catch (MalformedURLException e) { 
44                   e.printStackTrace(); 
45               } 
46               image = tk.getImage(url); 
47               repaint(); 
48           } 
49           return; 
50       } 
51    
52       public void update(Graphics g) { 
53           paint(g); 
54       } 
55    
56       public void paint(Graphics g) { 
57           g.drawImage(image, 10, 40, this); 
58       } 
59   }