01: /*
02: * Copyright 1990-2006 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
04: *
05: * This program is free software; you can redistribute it and/or
06: * modify it under the terms of the GNU General Public License version
07: * 2 only, as published by the Free Software Foundation.
08: *
09: * This program is distributed in the hope that it will be useful, but
10: * WITHOUT ANY WARRANTY; without even the implied warranty of
11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12: * General Public License version 2 for more details (a copy is
13: * included at /legal/license.txt).
14: *
15: * You should have received a copy of the GNU General Public License
16: * version 2 along with this work; if not, write to the Free Software
17: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18: * 02110-1301 USA
19: *
20: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
21: * Clara, CA 95054 or visit www.sun.com if you need additional
22: * information or have any questions.
23: */
24:
25: package com.sun.jumpimpl.module.installer;
26:
27: import java.io.BufferedReader;
28: import java.io.InputStreamReader;
29:
30: /**
31: * This is a utilities class to be used by JUMP installer classes.
32: */
33: public class Utilities {
34:
35: /**
36: * Prompt the user for key input.
37: * @param message The message to be displayed to the user.
38: * @return The String representation of the key.
39: */
40: public static String promptUser(String message) {
41: BufferedReader in = new BufferedReader(new InputStreamReader(
42: System.in));
43: String answer;
44: while (true) {
45: System.out.print(message);
46: try {
47: answer = in.readLine();
48: } catch (java.io.IOException ioe) {
49: continue;
50: }
51:
52: if ("".equals(answer) || answer == null) {
53: continue;
54: } else {
55: return answer;
56: }
57: }
58:
59: }
60:
61: }
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