/* |
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* Copyright (c) 2006, 2012, Oracle and/or its affiliates. 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. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* 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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// EBCDIC DBCS-only Korean |
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public class IBM834 extends Charset |
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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_DBCSONLY( |
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this, IBM933.b2c, null, 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_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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} |
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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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// 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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} |