libjava/classpath/gnu/CORBA/GIOP/CharSets_OSF.java

   1 /* CharSets_OSF.java --
   2    Copyright (C) 2005 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19 02110-1301 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38
  39 package gnu.CORBA.GIOP;
  40
  41 import java.nio.charset.Charset;
  42
  43 import java.util.Hashtable;
  44 import java.util.Iterator;
  45 import java.util.Set;
  46
  47 /**
  48  * This class contains the codes, used to identify character sets
  49  * in CORBA. These codes are defined in Open Software Foundation (OSF)
  50  * code set registry.
  51  *
  52  * The name of this class specially sets "OSF" apart if somebody would start
  53  * searching Open Software Foundation abbreviation.
  54  *
  55  * @author Audrius Meskauskas (AudriusA@Bioinformatics.org)
  56  */
  57 public class CharSets_OSF
  58 {
  59   public static final int ASCII = 0x00010020;
  60   public static final int ISO8859_1 = 0x00010001;
  61   public static final int ISO8859_2 = 0x00010002;
  62   public static final int ISO8859_3 = 0x00010003;
  63   public static final int ISO8859_4 = 0x00010004;
  64   public static final int ISO8859_5 = 0x00010005;
  65   public static final int ISO8859_6 = 0x00010006;
  66   public static final int ISO8859_7 = 0x00010007;
  67   public static final int ISO8859_8 = 0x00010008;
  68   public static final int ISO8859_9 = 0x00010009;
  69   public static final int ISO8859_15_FDIS = 0x0001000F;
  70   public static final int UTF8 = 0x05010001;
  71   public static final int UTF16 = 0x00010109;
  72   public static final int UCS2 = 0x00010100;
  73   public static final int Cp1047 = 0x10020417;
  74   public static final int Cp1250 = 0x100204E2;
  75   public static final int Cp1251 = 0x100204E3;
  76   public static final int Cp1252 = 0x100204E4;
  77   public static final int Cp1253 = 0x100204E5;
  78   public static final int Cp1254 = 0x100204E6;
  79   public static final int Cp1255 = 0x100204E7;
  80   public static final int Cp1256 = 0x100204E8;
  81   public static final int Cp1257 = 0x100204E9;
  82   public static final int Cp1363 = 0x10020553;
  83   public static final int Cp1363C = 0x10020553;
  84   public static final int Cp1381 = 0x10020565;
  85   public static final int Cp1383 = 0x10020567;
  86   public static final int Cp1386 = 0x1002056A;
  87   public static final int Cp33722 = 0x100283BA;
  88   public static final int Cp33722C = 0x100283BA;
  89   public static final int Cp930 = 0x100203A2;
  90   public static final int Cp943 = 0x100203AF;
  91   public static final int Cp943C = 0x100203AF;
  92   public static final int Cp949 = 0x100203B5;
  93   public static final int Cp949C = 0x100203B5;
  94   public static final int Cp950 = 0x100203B6;
  95   public static final int Cp964 = 0x100203C4;
  96   public static final int Cp970 = 0x100203CA;
  97   public static final int EUC_JP = 0x00030010;
  98   public static final int EUC_KR = 0x0004000A;
  99   public static final int EUC_TW = 0x00050010;
 100
 101   /**
 102    * The native character set for the narrow character.
 103    */
 104   public static final int NATIVE_CHARACTER = ISO8859_1;
 105
 106   /**
 107    * The native character set for the wide character.
 108    */
 109   public static final int NATIVE_WIDE_CHARACTER = UTF16;
 110
 111   /**
 112    * Table to convert from the code to string name.
 113    */
 114   private static Hashtable code_to_string;
 115
 116   /**
 117    * Table to convert from the string name to code.
 118    */
 119   private static Hashtable string_to_code;
 120
 121   /**
 122    * Get the charset code from its name.
 123    *
 124    * @return the charset code of 0 if not defined.
 125    */
 126   public static int getCode(String name)
 127   {
 128     if (string_to_code == null)
 129       makeMap();
 130
 131     Integer code = (Integer) string_to_code.get(name);
 132     return code == null ? 0 : code.intValue();
 133   }
 134
 135   /**
 136    * Get the charset name from its code.
 137    *
 138    * @return the code set name or nullfor the unknown code set.
 139    */
 140   public static String getName(int code)
 141   {
 142     if (code_to_string == null)
 143       makeMap();
 144     return (String) code_to_string.get(new Integer(code));
 145   }
 146
 147   /**
 148    * Get the list of supported char sets for that the CORBA codes are
 149    * also known.
 150    */
 151   public static int[] getSupportedCharSets()
 152   {
 153     Set supported_sets = Charset.availableCharsets().keySet();
 154     int[] supported = new int[ supported_sets.size() ];
 155     Iterator iter = supported_sets.iterator();
 156
 157     int i = 0;
 158     int code;
 159     while (iter.hasNext())
 160       {
 161         code = getCode(iter.next().toString());
 162         if (code > 0)
 163           supported [ i++ ] = code;
 164       }
 165
 166     // Truncate the unused part.
 167     int[] f = new int[ i ];
 168     System.arraycopy(supported, 0, f, 0, f.length);
 169
 170     return f;
 171   }
 172
 173   /**
 174    * Create a convertion map.
 175    */
 176   private static void makeMap()
 177   {
 178     code_to_string = new Hashtable();
 179     string_to_code = new Hashtable();
 180
 181     // Put standard char sets.
 182     put(ASCII, "US-ASCII");
 183     put(ISO8859_1, "ISO-8859-1");
 184     put(UTF16, "UTF-16");
 185
 186     // Put other known char sets.
 187     put(ISO8859_2, "ISO-8859-2");
 188     put(ISO8859_3, "ISO-8859-3");
 189     put(ISO8859_4, "ISO-8859-4");
 190     put(ISO8859_5, "ISO-8859-5");
 191     put(ISO8859_6, "ISO-8859-6");
 192     put(ISO8859_7, "ISO-8859-7");
 193     put(ISO8859_8, "ISO-8859-8");
 194     put(ISO8859_9, "ISO-8859-9");
 195
 196     put(UTF8, "UTF-8");
 197     put(UCS2, "UCS-2");
 198
 199     put(ISO8859_15_FDIS, "ISO8859-15-FDIS");
 200
 201     put(Cp1047, "Cp1047");
 202     put(Cp1250, "Cp1250");
 203     put(Cp1251, "Cp1251");
 204     put(Cp1252, "Cp1252");
 205     put(Cp1253, "Cp1253");
 206     put(Cp1254, "Cp1254");
 207     put(Cp1255, "Cp1255");
 208     put(Cp1256, "Cp1256");
 209     put(Cp1257, "Cp1257");
 210     put(Cp1363, "Cp1363");
 211     put(Cp1363C, "Cp1363C");
 212     put(Cp1381, "Cp1381");
 213     put(Cp1383, "Cp1383");
 214     put(Cp1386, "Cp1386");
 215     put(Cp33722, "Cp33722");
 216     put(Cp33722C, "Cp33722C");
 217     put(Cp930, "Cp930");
 218     put(Cp943, "Cp943");
 219     put(Cp943C, "Cp943C");
 220     put(Cp949, "Cp949");
 221     put(Cp949C, "Cp949C");
 222     put(Cp950, "Cp950");
 223     put(Cp964, "Cp964");
 224     put(Cp970, "Cp970");
 225
 226     put(EUC_JP, "EUC-JP");
 227     put(EUC_KR, "EUC-KR");
 228     put(EUC_TW, "EUC-TW");
 229   }
 230
 231   private static void put(int code, String name)
 232   {
 233     Integer ic = new Integer(code);
 234
 235     code_to_string.put(ic, name);
 236     string_to_code.put(name, ic);
 237   }
 238 }