/*

 * Copyright (c) 2002, 2006, 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.ByteBuffer;

import java.nio.CharBuffer;

import java.nio.charset.CharsetDecoder;

import java.nio.charset.CharsetEncoder;

import java.nio.charset.CoderResult;

import sun.nio.cs.HistoricallyNamedCharset;

import sun.nio.cs.*;

public class ISO2022_KR extends ISO2022

implements HistoricallyNamedCharset

{

    private static Charset ksc5601_cs;

    public ISO2022_KR() {

        super("ISO-2022-KR", ExtendedCharsets.aliasesFor("ISO-2022-KR"));

        ksc5601_cs = new EUC_KR();

    }

    public boolean contains(Charset cs) {

        // overlapping repertoire of EUC_KR, aka KSC5601

        return ((cs instanceof EUC_KR) ||

             (cs.name().equals("US-ASCII")) ||

             (cs instanceof ISO2022_KR));

    }

    public String historicalName() {

        return "ISO2022KR";

    }

    public CharsetDecoder newDecoder() {

        return new Decoder(this);

    }

    public CharsetEncoder newEncoder() {

        return new Encoder(this);

    }

    private static class Decoder extends ISO2022.Decoder {

        public Decoder(Charset cs)

        {

            super(cs);

            SODesig = new byte[][] {{(byte)'$', (byte)')', (byte)'C'}};

            SODecoder = new CharsetDecoder[1];

            try {

                SODecoder[0] = ksc5601_cs.newDecoder();

            } catch (Exception e) {};

        }

    }

    private static class Encoder extends ISO2022.Encoder {

        public Encoder(Charset cs) {

            super(cs);

            SODesig = new byte[] {'$', ')', 'C' };

            try {

                ISOEncoder = ksc5601_cs.newEncoder();

            } catch (Exception e) { }

        }

        public boolean canEncode(char c) {

            return (ISOEncoder.canEncode(c));

        }

    }

}