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
7import java.util.*;
8import java.io.*;
9import java.text.*;
10import java.awt.*;
11import java.awt.event.*;
12import javax.swing.*;
13import gnu.gettext.*;
14
15public class Hello {
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.  */
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