mingw/share/doc/gettext/examples/hello-java-swing/Hello.java

   1 // Example for use of GNU gettext.
   2 // This file is in the public domain.
   3 //
   4 // Source code of the Java/Swing program.
   5
   6 import java.util.*;
   7 import java.io.*;
   8 import java.text.*;
   9 import java.awt.*;
  10 import java.awt.event.*;
  11 import javax.swing.*;
  12 import gnu.gettext.*;
  13
  14 public class Hello {
  15   public static void main (String[] args) {
  16     ResourceBundle catalog = ResourceBundle.getBundle("hello-java-swing");
  17     JFrame frame = new JFrame("Hello example");
  18     frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
  19     JLabel label1 =
  20       new JLabel(GettextResource.gettext(catalog,"Hello, world!"));
  21     JLabel label2 =
  22       new JLabel(
  23           MessageFormat.format(
  24               GettextResource.gettext(catalog,
  25                   "This program is running as process number {0}."),
  26               new Object[] { getPid() }));
  27     JButton button = new JButton("OK");
  28     button.addActionListener(
  29         new ActionListener() {
  30           public void actionPerformed (ActionEvent event) {
  31             System.exit(0);
  32           }
  33         });
  34     JPanel labels = new JPanel();
  35     labels.setLayout(new GridLayout(2, 1));
  36     labels.add(label1);
  37     labels.add(label2);
  38     JPanel buttons = new JPanel();
  39     buttons.setLayout(new FlowLayout(FlowLayout.RIGHT));
  40     buttons.add(button);
  41     frame.getContentPane().setLayout(new BorderLayout());
  42     frame.getContentPane().add(labels, BorderLayout.CENTER);
  43     frame.getContentPane().add(buttons, BorderLayout.SOUTH);
  44     frame.pack();
  45     frame.setVisible(true);
  46   }
  47
  48   /* Return the process ID of the current process.  */
  49   private static String getPid () {
  50     try {
  51       String[] args = new String[] { "/bin/sh", "-c", "echo $PPID" };
  52       Process p = Runtime.getRuntime().exec(args);
  53       InputStream p_out = p.getInputStream();
  54       String s = (new BufferedReader(new InputStreamReader(p_out))).readLine();
  55       p.destroy();
  56       if (s != null)
  57         return s;
  58     } catch (IOException e) {
  59       e.printStackTrace();
  60     }
  61     return "???";
  62   }
  63 }