1 /*
   2  * Copyright (c) 2002, 2010, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.nio.cs.ext;
  27 
  28 import java.nio.charset.Charset;
  29 import java.nio.charset.CharsetDecoder;
  30 import java.nio.charset.CharsetEncoder;
  31 import sun.nio.cs.HistoricallyNamedCharset;
  32 
  33 public class Big5_HKSCS_2001 extends Charset
  34 {
  35     public Big5_HKSCS_2001() {
  36         super("x-Big5-HKSCS-2001", ExtendedCharsets.aliasesFor("x-Big5-HKSCS-2001"));
  37     }
  38 
  39     public boolean contains(Charset cs) {
  40         return ((cs.name().equals("US-ASCII"))
  41                 || (cs instanceof Big5)
  42                 || (cs instanceof Big5_HKSCS_2001));
  43     }
  44 
  45     public CharsetDecoder newDecoder() {
  46         return new Decoder(this);
  47     }
  48 
  49     public CharsetEncoder newEncoder() {
  50         return new Encoder(this);
  51     }
  52 
  53     private static class Decoder extends HKSCS.Decoder {
  54         private static DoubleByte.Decoder big5 =
  55             (DoubleByte.Decoder)new Big5().newDecoder();
  56 
  57         private static char[][] b2cBmp = new char[0x100][];
  58         private static char[][] b2cSupp = new char[0x100][];
  59         static {
  60             initb2c(b2cBmp, HKSCS2001Mapping.b2cBmpStr);
  61             initb2c(b2cSupp, HKSCS2001Mapping.b2cSuppStr);
  62         }
  63 
  64         private Decoder(Charset cs) {
  65             super(cs, big5, b2cBmp, b2cSupp);
  66         }
  67     }
  68 
  69     private static class Encoder extends HKSCS.Encoder {
  70         private static DoubleByte.Encoder big5 =
  71             (DoubleByte.Encoder)new Big5().newEncoder();
  72 
  73         static char[][] c2bBmp = new char[0x100][];
  74         static char[][] c2bSupp = new char[0x100][];
  75         static {
  76             initc2b(c2bBmp, HKSCS2001Mapping.b2cBmpStr,
  77                     HKSCS2001Mapping.pua);
  78             initc2b(c2bSupp, HKSCS2001Mapping.b2cSuppStr, null);
  79         }
  80 
  81         private Encoder(Charset cs) {
  82             super(cs, big5, c2bBmp, c2bSupp);
  83         }
  84     }
  85 }