|
5
|
1 /**
|
|
|
2 * Title: CharMappings.java
|
|
|
3 * Copyright: Copyright (c) 2001,2002,2003
|
|
|
4 * Company:
|
|
|
5 * @author Kenneth J. Pouncey
|
|
|
6 * rewritten by LDC, WVL, Luc
|
|
|
7 * @version 0.4
|
|
|
8 *
|
|
|
9 * Description:
|
|
|
10 *
|
|
|
11 * This program is free software; you can redistribute it and/or modify
|
|
|
12 * it under the terms of the GNU General Public License as published by
|
|
|
13 * the Free Software Foundation; either version 2, or (at your option)
|
|
|
14 * any later version.
|
|
|
15 *
|
|
|
16 * This program is distributed in the hope that it will be useful,
|
|
|
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
19 * GNU General Public License for more details.
|
|
|
20 *
|
|
|
21 * You should have received a copy of the GNU General Public License
|
|
|
22 * along with this software; see the file COPYING. If not, write to
|
|
|
23 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
|
|
|
24 * Boston, MA 02111-1307 USA
|
|
|
25 *
|
|
|
26 */
|
|
|
27 package org.tn5250j.encoding;
|
|
|
28
|
|
|
29 import java.util.Arrays;
|
|
|
30 import java.util.HashMap;
|
|
|
31 import java.util.HashSet;
|
|
|
32 import java.util.Set;
|
|
|
33
|
|
|
34 /**
|
|
|
35 * Character Mappings for EBCDIC to ASCII and ASCII to EBCDIC translations
|
|
|
36 */
|
|
|
37 public class CharMappings {
|
|
|
38
|
|
112
|
39 public static final String DFT_ENC = "37";
|
|
|
40 public static final int NATIVE_CP = 0;
|
|
|
41 public static final int TOOLBOX_CP = 1;
|
|
5
|
42
|
|
112
|
43 private static final HashMap<String, ICodePage> map = new HashMap<String, ICodePage>();
|
|
|
44
|
|
|
45 public static String[] getAvailableCodePages() {
|
|
|
46 Set<String> cpset = new HashSet<String>(); // no double entries
|
|
5
|
47
|
|
112
|
48 for (String cp : BuiltInCodePageFactory.getInstance().getAvailableCodePages()) {
|
|
|
49 cpset.add(cp);
|
|
|
50 }
|
|
|
51
|
|
|
52 for (String cp : ToolboxCodePageFactory.getInstance().getAvailableCodePages()) {
|
|
|
53 cpset.add(cp);
|
|
|
54 }
|
|
|
55
|
|
|
56 String[] cparray = cpset.toArray(new String[cpset.size()]);
|
|
|
57 Arrays.sort(cparray);
|
|
|
58 return cparray;
|
|
|
59 }
|
|
5
|
60
|
|
112
|
61 public static ICodePage getCodePage(String encoding) {
|
|
|
62 if (map.containsKey(encoding)) {
|
|
|
63 return map.get(encoding);
|
|
|
64 }
|
|
|
65
|
|
|
66 ICodePage cp = BuiltInCodePageFactory.getInstance().getCodePage(encoding);
|
|
5
|
67
|
|
112
|
68 if (cp != null) {
|
|
|
69 map.put(encoding, cp);
|
|
|
70 return cp;
|
|
|
71 }
|
|
|
72
|
|
|
73 cp = ToolboxCodePageFactory.getInstance().getCodePage(encoding);
|
|
5
|
74
|
|
112
|
75 if (cp != null) {
|
|
|
76 map.put(encoding, cp);
|
|
|
77 return cp;
|
|
|
78 }
|
|
|
79
|
|
|
80 cp = JavaCodePageFactory.getCodePage(encoding);
|
|
5
|
81
|
|
112
|
82 if (cp != null) {
|
|
|
83 map.put(encoding, cp);
|
|
|
84 return cp;
|
|
|
85 }
|
|
5
|
86
|
|
112
|
87 // unsupported codepage ==> return default
|
|
|
88 return BuiltInCodePageFactory.getInstance().getCodePage(DFT_ENC);
|
|
|
89 }
|
|
5
|
90
|
|
|
91 }
|
