1 /**
2 * jline - Java console input library
3 * Copyright (c) 2002, 2003, 2004, 2005, Marc Prud'hommeaux mwp1@cornell.edu
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or
7 * without modification, are permitted provided that the following
8 * conditions are met:
9 *
10 * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer
15 * in the documentation and/or other materials provided with
16 * the distribution.
17 *
18 * Neither the name of JLine nor the names of its contributors
19 * may be used to endorse or promote products derived from this
20 * software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
24 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
25 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
26 * EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
28 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
29 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
31 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
33 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
34 * OF THE POSSIBILITY OF SUCH DAMAGE.
35 */
36 package jline.example;
37
38 import jline.*;
39 import java.io.*;
40
41 public class PasswordReader
42 {
43 public static void usage ()
44 {
45 System.out.println ("Usage: java " + PasswordReader.class.getName ()
46 + " [mask]");
47 }
48
49
50 public static void main (String [] args)
51 throws IOException
52 {
53 String password = new ConsoleReader ().readLine (new Character ((char)0));
54
55 ConsoleReader reader = new ConsoleReader ();
56
57 Character mask = args.length == 0
58 ? new Character ((char)0)
59 : new Character (args[0].charAt (0));
60
61 String line = reader.readLine ("enter password> ", mask);
62 System.out.println ("Got password: " + line);
63 }
64 }
65