| |
| /* |
| * Copyright (c) 2006, 2012, 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.ByteBuffer; |
| import java.nio.charset.Charset; |
| import java.nio.charset.CharsetDecoder; |
| import java.nio.charset.CharsetEncoder; |
| import java.nio.charset.CoderResult; |
| import sun.nio.cs.DoubleByte; |
| import static sun.nio.cs.CharsetMapping.*; |
| |
| // EBCDIC DBCS-only Korean |
| public class IBM834 extends Charset |
| { |
| public IBM834() { |
| super("x-IBM834", ExtendedCharsets.aliasesFor("x-IBM834")); |
| } |
| |
| public boolean contains(Charset cs) { |
| return (cs instanceof IBM834); |
| } |
| |
| public CharsetDecoder newDecoder() { |
| IBM933.initb2c(); |
| return new DoubleByte.Decoder_DBCSONLY( |
| this, IBM933.b2c, null, 0x40, 0xfe); // hardcode the b2min/max |
| } |
| |
| public CharsetEncoder newEncoder() { |
| IBM933.initc2b(); |
| return new Encoder(this); |
| } |
| |
| protected static class Encoder extends DoubleByte.Encoder_DBCSONLY { |
| public Encoder(Charset cs) { |
| super(cs, new byte[] {(byte)0xfe, (byte)0xfe}, |
| IBM933.c2b, IBM933.c2bIndex, false); |
| } |
| |
| public int encodeChar(char ch) { |
| int bb = super.encodeChar(ch); |
| if (bb == UNMAPPABLE_ENCODING) { |
| // Cp834 has 6 additional non-roundtrip char->bytes |
| // mappings, see#6379808 |
| if (ch == '\u00b7') { |
| return 0x4143; |
| } else if (ch == '\u00ad') { |
| return 0x4148; |
| } else if (ch == '\u2015') { |
| return 0x4149; |
| } else if (ch == '\u223c') { |
| return 0x42a1; |
| } else if (ch == '\uff5e') { |
| return 0x4954; |
| } else if (ch == '\u2299') { |
| return 0x496f; |
| } |
| } |
| return bb; |
| } |
| |
| public boolean isLegalReplacement(byte[] repl) { |
| if (repl.length == 2 && |
| repl[0] == (byte)0xfe && repl[1] == (byte)0xfe) |
| return true; |
| return super.isLegalReplacement(repl); |
| } |
| |
| } |
| } |