1 /*
2 The TauP Toolkit: Flexible Seismic Travel-Time and Raypath Utilities.
3 Copyright (C) 1998-2000 University of South Carolina
4
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License
7 as published by the Free Software Foundation; either version 2
8 of the License, or (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18
19 The current version can be found at
20 <A HREF="www.seis.sc.edu">http://www.seis.sc.edu</A>
21
22 Bug reports and comments should be directed to
23 H. Philip Crotwell, crotwell@seis.sc.edu or
24 Tom Owens, owens@seis.sc.edu
25
26 */
27
28
29 package edu.sc.seis.TauP;
30
31 /***
32 * Displays a message to the user depending on whether there is a GUI or not.
33 *
34 * @version 1.1.3 Wed Jul 18 15:00:35 GMT 2001
35
36
37
38 * @author H. Philip Crotwell
39 *
40 */
41 public class Alert {
42
43 /*** the machine/OS dependent line terminator, ie \r \r\n or \n. */
44 static String nl = System.getProperty("line.separator");
45
46 /*** Whether or not a GUI is being used. */
47 static private boolean GUI = false;
48
49 private Alert() {
50 }
51
52 /* reports information in a manner consistant with
53 * the current usage, ie GUI or command line. */
54 public static void info(String message) {
55 if (GUI) {
56 System.out.println(message);
57 } else {
58 System.out.println(message);
59 }
60 }
61 /* reports non fatal errors in a manner consistant with
62 * the current usage, ie GUI or command line. */
63 public static void warning(String message, String extra) {
64 if (GUI) {
65 System.err.println("Warning: "+message+ nl +extra);
66 } else {
67 System.err.println("Warning: "+message+ nl +extra);
68 }
69 }
70
71 /* reports fatal errors in a manner consistant with
72 * the current usage, ie GUI or command line. */
73 public static void error(String message, String extra) {
74 if (GUI) {
75 System.err.println("Error: "+message+ nl +extra);
76 } else {
77 System.err.println("Error: "+message+ nl +extra);
78 }
79 }
80
81
82 public static void setGUI(boolean newGUI) {
83 GUI = newGUI;
84 }
85 }
86