1 // Example for use of GNU gettext. 2 // Copyright (C) 2003 Free Software Foundation, Inc. 3 // This file is in the public domain. 4 // 5 // Source code of the Java/Swing program. 6 7 import java.util.*; 8 import java.io.*; 9 import java.text.*; 10 import java.awt.*; 11 import java.awt.event.*; 12 import javax.swing.*; 13 import gnu.gettext.*; 14 15 public class Hello { main(String[] args)16 public static void main (String[] args) { 17 ResourceBundle catalog = ResourceBundle.getBundle("hello-java-swing"); 18 JFrame frame = new JFrame("Hello example"); 19 frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); 20 JLabel label1 = 21 new JLabel(GettextResource.gettext(catalog,"Hello, world!")); 22 JLabel label2 = 23 new JLabel( 24 MessageFormat.format( 25 GettextResource.gettext(catalog, 26 "This program is running as process number {0}."), 27 new Object[] { getPid() })); 28 JButton button = new JButton("OK"); 29 button.addActionListener( 30 new ActionListener() { 31 public void actionPerformed (ActionEvent event) { 32 System.exit(0); 33 } 34 }); 35 JPanel labels = new JPanel(); 36 labels.setLayout(new GridLayout(2, 1)); 37 labels.add(label1); 38 labels.add(label2); 39 JPanel buttons = new JPanel(); 40 buttons.setLayout(new FlowLayout(FlowLayout.RIGHT)); 41 buttons.add(button); 42 frame.getContentPane().setLayout(new BorderLayout()); 43 frame.getContentPane().add(labels, BorderLayout.CENTER); 44 frame.getContentPane().add(buttons, BorderLayout.SOUTH); 45 frame.pack(); 46 frame.setVisible(true); 47 } 48 49 /* Return the process ID of the current process. */ getPid()50 private static String getPid () { 51 try { 52 String[] args = new String[] { "/bin/sh", "-c", "echo $PPID" }; 53 Process p = Runtime.getRuntime().exec(args); 54 InputStream p_out = p.getInputStream(); 55 String s = (new BufferedReader(new InputStreamReader(p_out))).readLine(); 56 p.destroy(); 57 if (s != null) 58 return s; 59 } catch (IOException e) { 60 e.printStackTrace(); 61 } 62 return "???"; 63 } 64 } 65