1/*
2 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/**/
25
26public class Decode {
27    private static boolean isAscii(char c) {
28        return c < '\u0080';
29    }
30
31    private static boolean isPrintable(char c) {
32        return ('\u0020' < c) && (c < '\u007f');
33    }
34
35    public static void main(String[] args) throws Throwable {
36        if (args.length < 2)
37            throw new Exception("Usage: java Decode CHARSET BYTE [BYTE ...]");
38        String cs = args[0];
39        byte[] bytes = new byte[args.length-1];
40        for (int i = 1; i < args.length; i++) {
41            String arg = args[i];
42            bytes[i-1] =
43                (arg.length() == 1 && isAscii(arg.charAt(0))) ?
44                (byte) arg.charAt(0) :
45                arg.equals("ESC") ? 0x1b :
46                arg.equals("SO")  ? 0x0e :
47                arg.equals("SI")  ? 0x0f :
48                arg.equals("SS2") ? (byte) 0x8e :
49                arg.equals("SS3") ? (byte) 0x8f :
50                arg.matches("0x.*") ? Integer.decode(arg).byteValue() :
51                Integer.decode("0x"+arg).byteValue();
52        }
53        String s = new String(bytes, cs);
54
55        for (int j = 0; j < s.length(); j++) {
56            if (j > 0)
57                System.out.print(' ');
58            char c = s.charAt(j);
59            if (isPrintable(c))
60                System.out.print(c);
61            else if (c == '\u001b') System.out.print("ESC");
62            else
63                System.out.printf("\\u%04x", (int) c);
64        }
65        System.out.print("\n");
66    }
67}
68