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// expected results in the JTextField
// AF.PA;36,39;4/5/2007;17h35;+1,25;35,53;36,62;35,52;2547827
// LVMH.PA;84,28;4/3/2007;17h38;+1,16;83,80;84,58;83,32;1963844
import java.applet.AppletContext;
import javax.swing.*;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import java.awt.Insets;
import java.awt.event.*;
import java.net.URL;
import java.net.MalformedURLException;
import java.io.*;
public class ShowDocument extends JApplet
implements ActionListener {
the_URLWindow the_URLWindow;
public void init() {
//Execute a job on the event-dispatching thread:
//creating this applet's GUI.
try {
SwingUtilities.invokeAndWait(new Runnable() {
public void run() {
createGUI();
}
});
} catch (Exception e) {
System.err.println("createGUI didn't successfully complete");
}
}
private void createGUI() {
JButton button = new JButton("Bring up the_URL window");
button.addActionListener(this);
add(button);
JFrame.setDefaultLookAndFeelDecorated(true);
the_URLWindow = new the_URLWindow(getAppletContext());
the_URLWindow.pack();
}
public void destroy() {
//Execute a job on the event-dispatching thread:
//creating this applet's GUI.
try {
SwingUtilities.invokeAndWait(new Runnable() {
public void run() {
destroyGUI();
}
});
} catch (Exception e) { }
}
private void destroyGUI() {
the_URLWindow.setVisible(false);
the_URLWindow = null;
}
public void actionPerformed(ActionEvent event) {
the_URLWindow.setVisible(true);
}
}
class the_URLWindow extends JFrame
implements ActionListener {
JTextField the_URL_Field;
JComboBox choice;
AppletContext appletContext;
public the_URLWindow(AppletContext appletContext) {
super("Show a Document!");
this.appletContext = appletContext;
JPanel contentPane = new JPanel(new GridBagLayout());
setContentPane(contentPane);
contentPane.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
GridBagConstraints c = new GridBagConstraints();
c.fill = GridBagConstraints.HORIZONTAL;
JLabel label1 = new JLabel("the_URL of document to show: ",
JLabel.TRAILING);
add(label1, c);
the_URL_Field = new JTextField("http://fr.finance.yahoo.com/d/quotes.txt?m=PA&f=sl1d1t1c1ohgv&e=.csv&s=AF.PA&s=LVMH.PA", 20);
label1.setLabelFor(the_URL_Field);
the_URL_Field.addActionListener(this);
c.gridwidth = GridBagConstraints.REMAINDER;
c.weightx = 1.0;
add(the_URL_Field, c);
JLabel label2 = new JLabel("Window/frame to show it in: ",
JLabel.TRAILING);
c.gridwidth = 1;
c.weightx = 0.0;
add(label2, c);
String[] strings = {
"(browser's choice)", //don't specify
"My Personal Window", //a window named "My Personal Window"
"_blank", //a new, unnamed window
"_self",
"_parent",
"_top" //the Frame that contained this applet
};
choice = new JComboBox(strings);
label2.setLabelFor(choice);
c.fill = GridBagConstraints.NONE;
c.gridwidth = GridBagConstraints.REMAINDER;
c.insets = new Insets(5,0,0,0);
c.anchor = GridBagConstraints.LINE_START;
add(choice, c);
JTextField box = new JTextField("Results");
//box.setLines(10);
box.setColumns(100);
c.fill = GridBagConstraints.NONE;
c.gridwidth = GridBagConstraints.REMAINDER;
c.insets = new Insets(5,100,100,0);
c.anchor = GridBagConstraints.LINE_START;
add(box, c);
JButton button = new JButton("Show document");
button.addActionListener(this);
c.weighty = 1.0;
c.ipadx = 10;
c.ipady = 10;
c.insets = new Insets(10,0,0,0);
c.anchor = GridBagConstraints.PAGE_END;
add(button, c);
}
public void actionPerformed(ActionEvent event) {
String the_URL_String = the_URL_Field.getText();
URL the_URL = null;
try {
the_URL = new URL(the_URL_String);
} catch (MalformedURLException e) {
System.err.println("Malformed URL: " + the_URL_String);
}
if (the_URL != null) {
box.setText(showDocument(the_URL));// *********** compilation bloque ici *************
/*
URLConnection conn = the_URL.openConnection();
BufferedReader in =
new BufferedReader(new InputStreamReader(conn.getInputStream()));
String inputLine;
while ((inputLine = in.readLine()) != null) {
System.out.println(inputLine);
}
in.close();
*/
/*
if (choice.getSelectedIndex() == 0) {
appletContext.showDocument(the_URL);
} else {
appletContext.showDocument(the_URL,
(String)choice.getSelectedItem());
}
*/
}
}
} |
Application -> Applet
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