| /* |
| * Copyright (c) 2003, 2004, Oracle and/or its affiliates. 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.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 java.util.Arrays; |
| import sun.nio.cs.DoubleByte; |
| import sun.nio.cs.HistoricallyNamedCharset; |
| |
| public class IBM943C extends Charset implements HistoricallyNamedCharset |
| { |
| |
| public IBM943C() { |
| super("x-IBM943C", ExtendedCharsets.aliasesFor("x-IBM943C")); |
| } |
| |
| public String historicalName() { |
| return "Cp943C"; |
| } |
| |
| public boolean contains(Charset cs) { |
| return ((cs.name().equals("US-ASCII")) |
| || (cs instanceof IBM943C)); |
| } |
| |
| public CharsetDecoder newDecoder() { |
| return new DoubleByte.Decoder(this, |
| IBM943.b2c, |
| b2cSB, |
| 0x40, |
| 0xfc); |
| } |
| |
| public CharsetEncoder newEncoder() { |
| return new DoubleByte.Encoder(this, c2b, c2bIndex); |
| } |
| |
| final static char[] b2cSB; |
| final static char[] c2b; |
| final static char[] c2bIndex; |
| |
| static { |
| IBM943.initb2c(); |
| b2cSB = new char[0x100]; |
| for (int i = 0; i < 0x80; i++) { |
| b2cSB[i] = (char)i; |
| } |
| for (int i = 0x80; i < 0x100; i++) { |
| b2cSB[i] = IBM943.b2cSB[i]; |
| } |
| |
| IBM943.initc2b(); |
| c2b = Arrays.copyOf(IBM943.c2b, IBM943.c2b.length); |
| c2bIndex = Arrays.copyOf(IBM943.c2bIndex, IBM943.c2bIndex.length); |
| for (char c = '\0'; c < '\u0080'; ++c) { |
| int index = c2bIndex[c >> 8]; |
| c2b[index + (c & 0xff)] = c; |
| } |
| } |
| } |