A quick demonstration of JFormattedTextField : Formatted TextField « Swing JFC « Java

A quick demonstration of JFormattedTextField

A quick demonstration of JFormattedTextField
Java Swing, 2nd Edition
By Marc Loy, Robert Eckstein, Dave Wood, James Elliott, Brian Cole
ISBN: 0-596-00408-7
Publisher: O'Reilly 
// SimpleFTF.java
//A quick demonstration of JFormattedTextField.

import javax.swing.BoxLayout;
import javax.swing.JFormattedTextField;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class SimpleFTF extends JPanel {

  public SimpleFTF() {
    JFormattedTextField ftf[] = new JFormattedTextField[7];
    String des[] = new String[ftf.length]; // description of each field

    des[0] = "Date";
    ftf[0] = new JFormattedTextField(new java.util.Date());

    des[1] = "Integer";
    ftf[1] = new JFormattedTextField(new Integer(90032221));

    des[2] = "Float";
    ftf[2] = new JFormattedTextField(new Float(3.14));

    des[3] = "Float work-around"; // manually specify a NumberFormat
    ftf[3] = new JFormattedTextField(java.text.NumberFormat.getInstance());
    ftf[3].setValue(new Float(3.14));

    des[4] = "currency";
    ftf[4] = new JFormattedTextField(java.text.NumberFormat
    ftf[4].setValue(new Float(5.99));

    des[5] = "percent";
    ftf[5] = new JFormattedTextField(java.text.NumberFormat
    ftf[5].setValue(new Float(0.33));

    des[6] = "java.net.URL"; // works via 1-arg String constructor and
                 // toString()
    java.net.URL u = null;
    try {
      u = new java.net.URL("http://www.ora.com/");
    } catch (java.net.MalformedURLException ignored) {
    ftf[6] = new JFormattedTextField(u);

    // add each ftf[] to a BoxLayout
    setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
    for (int j = 0; j < ftf.length; j += 1) {
      JPanel borderPanel = new JPanel(new java.awt.BorderLayout());
      borderPanel.setBorder(new javax.swing.border.TitledBorder(des[j]));
      borderPanel.add(ftf[j], java.awt.BorderLayout.CENTER);

  public static void main(String argv[]) {

    if (argv.length > 0) { // change to command-line locale
      if (argv[0].equalsIgnoreCase("canada"))
      if (argv[0].equalsIgnoreCase("canada_french"))
      if (argv[0].equalsIgnoreCase("china"))
      if (argv[0].equalsIgnoreCase("france"))
      if (argv[0].equalsIgnoreCase("germany"))
      if (argv[0].equalsIgnoreCase("italy"))
      if (argv[0].equalsIgnoreCase("japan"))
      if (argv[0].equalsIgnoreCase("korea"))
      if (argv[0].equalsIgnoreCase("prc"))
      if (argv[0].equalsIgnoreCase("taiwan"))
      if (argv[0].equalsIgnoreCase("uk"))
      if (argv[0].equalsIgnoreCase("us"))

    String localeString = java.util.Locale.getDefault().getDisplayName();
    JFrame f = new JFrame("SimpleFTF " + localeString);
    f.setContentPane(new SimpleFTF());

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