| /* |
| * Copyright 2002-2004 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| /* |
| */ |
| |
| package sun.nio.cs.ext; |
| |
| import java.nio.charset.Charset; |
| import java.nio.charset.CharsetDecoder; |
| import java.nio.charset.CharsetEncoder; |
| import sun.nio.cs.HistoricallyNamedCharset; |
| |
| public class MS950_HKSCS extends Charset implements HistoricallyNamedCharset |
| { |
| public MS950_HKSCS() { |
| super("x-MS950-HKSCS", ExtendedCharsets.aliasesFor("x-MS950-HKSCS")); |
| } |
| |
| public String historicalName() { |
| return "MS950_HKSCS"; |
| } |
| |
| public boolean contains(Charset cs) { |
| return ((cs.name().equals("US-ASCII")) |
| || (cs instanceof MS950) |
| || (cs instanceof MS950_HKSCS)); |
| } |
| |
| public CharsetDecoder newDecoder() { |
| return new Decoder(this); |
| } |
| |
| public CharsetEncoder newEncoder() { |
| return new Encoder(this); |
| } |
| |
| private static class Decoder extends HKSCS.Decoder { |
| |
| private MS950.Decoder ms950Dec; |
| |
| |
| /* |
| * Note current decoder decodes 0x8BC2 --> U+F53A |
| * ie. maps to Unicode PUA. |
| * Unaccounted discrepancy between this mapping |
| * inferred from MS950/windows-950 and the published |
| * MS HKSCS mappings which maps 0x8BC2 --> U+5C22 |
| * a character defined with the Unified CJK block |
| */ |
| |
| protected char decodeDouble(int byte1, int byte2) { |
| char c = super.decodeDouble(byte1, byte2); |
| return (c != REPLACE_CHAR) ? c : ms950Dec.decodeDouble(byte1, byte2); |
| } |
| |
| private Decoder(Charset cs) { |
| super(cs); |
| ms950Dec = new MS950.Decoder(cs); |
| } |
| } |
| |
| private static class Encoder extends HKSCS.Encoder { |
| |
| private MS950.Encoder ms950Enc; |
| |
| /* |
| * Note current encoder encodes U+F53A --> 0x8BC2 |
| * Published MS HKSCS mappings show |
| * U+5C22 <--> 0x8BC2 |
| */ |
| protected int encodeDouble(char ch) { |
| int r = super.encodeDouble(ch); |
| return (r != 0) ? r : ms950Enc.encodeDouble(ch); |
| } |
| |
| private Encoder(Charset cs) { |
| super(cs); |
| ms950Enc = new MS950.Encoder(cs); |
| } |
| } |
| } |