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/*
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* Copyright 2006 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/*
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*/
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package sun.nio.cs.ext;
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import java.nio.ByteBuffer;
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import java.nio.charset.Charset;
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import java.nio.charset.CharsetDecoder;
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import java.nio.charset.CharsetEncoder;
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import java.nio.charset.CoderResult;
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import static sun.nio.cs.CharsetMapping.*;
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2
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// EBCDIC DBCS-only Korean
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public class IBM834 extends Charset
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2
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{
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public IBM834() {
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super("x-IBM834", ExtendedCharsets.aliasesFor("x-IBM834"));
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}
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public boolean contains(Charset cs) {
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return (cs instanceof IBM834);
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}
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public CharsetDecoder newDecoder() {
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IBM933.initb2c();
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return new DoubleByte.Decoder_EBCDIC_DBCSONLY(
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this, IBM933.b2c, 0x40, 0xfe); // hardcode the b2min/max
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}
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public CharsetEncoder newEncoder() {
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IBM933.initc2b();
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return new Encoder(this);
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}
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protected static class Encoder extends DoubleByte.Encoder_EBCDIC_DBCSONLY {
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public Encoder(Charset cs) {
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super(cs, new byte[] {(byte)0xfe, (byte)0xfe},
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IBM933.c2b, IBM933.c2bIndex);
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2
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}
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public int encodeChar(char ch) {
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int bb = super.encodeChar(ch);
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if (bb == UNMAPPABLE_ENCODING) {
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2
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// Cp834 has 6 additional non-roundtrip char->bytes
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// mappings, see#6379808
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if (ch == '\u00b7') {
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return 0x4143;
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} else if (ch == '\u00ad') {
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return 0x4148;
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} else if (ch == '\u2015') {
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return 0x4149;
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} else if (ch == '\u223c') {
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return 0x42a1;
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} else if (ch == '\uff5e') {
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return 0x4954;
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} else if (ch == '\u2299') {
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return 0x496f;
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}
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}
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return bb;
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}
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public boolean isLegalReplacement(byte[] repl) {
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if (repl.length == 2 &&
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repl[0] == (byte)0xfe && repl[1] == (byte)0xfe)
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return true;
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return super.isLegalReplacement(repl);
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}
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}
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}
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