001    /* InputSubset.java -- subsets of Unicode important in text input
002       Copyright (C) 2002, 2003, 2005  Free Software Foundation, Inc.
003    
004    This file is part of GNU Classpath.
005    
006    GNU Classpath is free software; you can redistribute it and/or modify
007    it under the terms of the GNU General Public License as published by
008    the Free Software Foundation; either version 2, or (at your option)
009    any later version.
010    
011    GNU Classpath is distributed in the hope that it will be useful, but
012    WITHOUT ANY WARRANTY; without even the implied warranty of
013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014    General Public License for more details.
015    
016    You should have received a copy of the GNU General Public License
017    along with GNU Classpath; see the file COPYING.  If not, write to the
018    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019    02110-1301 USA.
020    
021    Linking this library statically or dynamically with other modules is
022    making a combined work based on this library.  Thus, the terms and
023    conditions of the GNU General Public License cover the whole
024    combination.
025    
026    As a special exception, the copyright holders of this library give you
027    permission to link this library with independent modules to produce an
028    executable, regardless of the license terms of these independent
029    modules, and to copy and distribute the resulting executable under
030    terms of your choice, provided that you also meet, for each linked
031    independent module, the terms and conditions of the license of that
032    module.  An independent module is a module which is not derived from
033    or based on this library.  If you modify this library, you may extend
034    this exception to your version of the library, but you are not
035    obligated to do so.  If you do not wish to do so, delete this
036    exception statement from your version. */
037    
038    package java.awt.im;
039    
040    /**
041     * Defines additional Unicode character blocks for use by input methods.
042     * These constants encompass several Unicode blocks, or portions thereof, for
043     * simplification over {@link Character.UnicodeBlock}.
044     *
045     * @author Eric Blake (ebb9@email.byu.edu)
046     * @since 1.2
047     * @status updated to 1.4
048     */
049    public final class InputSubset extends Character.Subset
050    {
051      /**
052       * Constant for all Latin characters, including the characters in the
053       * BASIC_LATIN, LATIN_1_SUPPLEMENT, LATIN_EXTENDED_A, LATIN_EXTENDED_B
054       * Unicode character blocks.
055       */
056      public static final InputSubset LATIN = new InputSubset("LATIN");
057    
058      /**
059       * Constant for the digits included in the BASIC_LATIN Unicode character
060       * block.
061       */
062      public static final InputSubset LATIN_DIGITS
063        = new InputSubset("LATIN_DIGITS");
064    
065      /**
066       * Constant for all Han characters used in writing Traditional Chinese,
067       * including a subset of the CJK unified ideographs as well as Traditional
068       * Chinese Han characters that may be defined as surrogate characters.
069       */
070      public static final InputSubset TRADITIONAL_HANZI
071        = new InputSubset("TRADITIONAL_HANZI");
072    
073      /**
074       * Constant for all Han characters used in writing Simplified Chinese,
075       * including a subset of the CJK unified ideographs as well as Simplified
076       * Chinese Han characters that may be defined as surrogate characters.
077       */
078      public static final InputSubset SIMPLIFIED_HANZI
079        = new InputSubset("SIMPLIFIED_HANZI");
080    
081      /**
082       * Constant for all Han characters used in writing Japanese, including a
083       * subset of the CJK unified ideographs as well as Japanese Han characters
084       * that may be defined as surrogate characters.
085       */
086      public static final InputSubset KANJI = new InputSubset("KANJI");
087    
088      /**
089       * Constant for all Han characters used in writing Korean, including a
090       * subset of the CJK unified ideographs as well as Korean Han characters
091       * that may be defined as surrogate characters.
092       */
093      public static final InputSubset HANJA = new InputSubset("HANJA");
094    
095      /**
096       * Constant for the halfwidth katakana subset of the Unicode halfwidth and
097       * fullwidth forms character block.
098       */
099      public static final InputSubset HALFWIDTH_KATAKANA
100        = new InputSubset("HALFWIDTH_KATAKANA");
101    
102      /**
103       * Constant for the fullwidth ASCII variants subset of the Unicode
104       * halfwidth and fullwidth forms character block.
105       *
106       * @since 1.3
107       */
108      public static final InputSubset FULLWIDTH_LATIN
109        = new InputSubset("FULLWIDTH_LATIN");
110    
111      /**
112       * Constant for the fullwidth digits included in the Unicode halfwidth and
113       * fullwidth forms character block.
114       *
115       * @since 1.3
116       */
117      public static final InputSubset FULLWIDTH_DIGITS
118        = new InputSubset("FULLWIDTH_DIGITS");
119    
120      /**
121       * Construct a subset.
122       *
123       * @param name the subset name
124       */
125      private InputSubset(String name)
126      {
127        super(name);
128      }
129    } // class InputSubset