import java.io.IOException;
import javax.swing.JEditorPane;
import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkListener;
/**
* 处理超链接
* @author Vic
*
*/
public class LinkFollower implements HyperlinkListener{
private JEditorPane pane;
public LinkFollower(JEditorPane pane){
this.pane = pane;
}
public void hyperlinkUpdate(HyperlinkEvent evt) {
if(evt.getEventType() == HyperlinkEvent.EventType.ACTIVATED){
try {
pane.setPage(evt.getURL());
} catch (IOException e) {
pane.setText(“could not load “+evt.getURL()+””);
}
}
}
}
import java.awt.EventQueue;
import java.awt.Frame;
import java.io.IOException;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.WindowConstants;
/**
* 简单的Web浏览器
* @author Vic
*
*/
public class SimpleWebBrowser {
public static void main(String[] args) {
String initialPage = “http://www.cafeaulait.org/”;
JEditorPane jep = new JEditorPane();
jep.setEditable(false);
jep.addHyperlinkListener(new LinkFollower(jep));
try {
jep.setPage(initialPage);
} catch (IOException e) {
System.err.println(“Usage: java simpleWebBrowser url”);
System.err.println(e);
System.exit(1);
}
JScrollPane scrollPane = new JScrollPane(jep);
JFrame f = new JFrame(“Simple Web Browser”);
f.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
f.setContentPane(scrollPane);
f.setSize(512,342);
EventQueue.invokeLater(new FrameShower(f));
}
private static class FrameShower implements Runnable{
private final Frame frame ;
public FrameShower(Frame frame){
this.frame = frame;
}
public void run() {
frame.setVisible(true);
}
}
}