1/*
2 * Copyright (c) 2002, 2006, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26/*
27 */
28
29package sun.nio.cs.ext;
30
31import java.nio.charset.Charset;
32import java.nio.ByteBuffer;
33import java.nio.CharBuffer;
34import java.nio.charset.CharsetDecoder;
35import java.nio.charset.CharsetEncoder;
36import java.nio.charset.CoderResult;
37import sun.nio.cs.HistoricallyNamedCharset;
38import sun.nio.cs.*;
39
40public class ISO2022_KR extends ISO2022
41implements HistoricallyNamedCharset
42{
43    private static Charset ksc5601_cs;
44
45    public ISO2022_KR() {
46        super("ISO-2022-KR", ExtendedCharsets.aliasesFor("ISO-2022-KR"));
47        ksc5601_cs = new EUC_KR();
48    }
49
50    public boolean contains(Charset cs) {
51        // overlapping repertoire of EUC_KR, aka KSC5601
52        return ((cs instanceof EUC_KR) ||
53             (cs.name().equals("US-ASCII")) ||
54             (cs instanceof ISO2022_KR));
55    }
56
57    public String historicalName() {
58        return "ISO2022KR";
59    }
60
61    public CharsetDecoder newDecoder() {
62        return new Decoder(this);
63    }
64
65    public CharsetEncoder newEncoder() {
66        return new Encoder(this);
67    }
68
69    private static class Decoder extends ISO2022.Decoder {
70        public Decoder(Charset cs)
71        {
72            super(cs);
73            SODesig = new byte[][] {{(byte)'$', (byte)')', (byte)'C'}};
74            SODecoder = new CharsetDecoder[1];
75
76            try {
77                SODecoder[0] = ksc5601_cs.newDecoder();
78            } catch (Exception e) {};
79        }
80    }
81
82    private static class Encoder extends ISO2022.Encoder {
83
84        public Encoder(Charset cs) {
85            super(cs);
86            SODesig = new byte[] {'$', ')', 'C' };
87            try {
88                ISOEncoder = ksc5601_cs.newEncoder();
89            } catch (Exception e) { }
90        }
91
92        public boolean canEncode(char c) {
93            return (ISOEncoder.canEncode(c));
94        }
95    }
96}
97