/*
 * Copyright (c) 2003, 2004, 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.charset.CharsetDecoder;
import java.nio.charset.CharsetEncoder;
import sun.nio.cs.StandardCharsets;
import sun.nio.cs.SingleByteDecoder;
import sun.nio.cs.SingleByteEncoder;
import sun.nio.cs.HistoricallyNamedCharset;

public class IBM870
    extends Charset
    implements HistoricallyNamedCharset
{

    public IBM870() {
        super("IBM870", ExtendedCharsets.aliasesFor("IBM870"));
    }

    public String historicalName() {
        return "Cp870";
    }

    public boolean contains(Charset cs) {
        return (cs instanceof IBM870);
    }

    public CharsetDecoder newDecoder() {
        return new Decoder(this);
    }

    public CharsetEncoder newEncoder() {
        return new Encoder(this);
    }


    
These accessors are temporarily supplied while sun.io
converters co-exist with the sun.nio.cs.{ext} charset coders
These facilitate sharing of conversion tables between the
two co-existing implementations. When sun.io converters
are made extinct these will be unncessary and should be removed
/**
     * These accessors are temporarily supplied while sun.io
     * converters co-exist with the sun.nio.cs.{ext} charset coders
     * These facilitate sharing of conversion tables between the
     * two co-existing implementations. When sun.io converters
     * are made extinct these will be unncessary and should be removed
     */

    public String getDecoderSingleByteMappings() {
        return Decoder.byteToCharTable;

    }

    public short[] getEncoderIndex1() {
        return Encoder.index1;

    }
    public String getEncoderIndex2() {
        return Encoder.index2;

    }

    private static class Decoder extends SingleByteDecoder {
            public Decoder(Charset cs) {
                super(cs, byteToCharTable);
        }

        private final static String byteToCharTable =

            "\u02D8\u0061\u0062\u0063\u0064\u0065\u0066\u0067" +        // 0x80 - 0x87
            "\u0068\u0069\u015B\u0148\u0111\u00FD\u0159\u015F" +        // 0x88 - 0x8F
            "\u00B0\u006A\u006B\u006C\u006D\u006E\u006F\u0070" +        // 0x90 - 0x97
            "\u0071\u0072\u0142\u0144\u0161\u00B8\u02DB\u00A4" +        // 0x98 - 0x9F
            "\u0105\u007E\u0073\u0074\u0075\u0076\u0077\u0078" +        // 0xA0 - 0xA7
            "\u0079\u007A\u015A\u0147\u0110\u00DD\u0158\u015E" +        // 0xA8 - 0xAF
            "\u02D9\u0104\u017C\u0162\u017B\u00A7\u017E\u017A" +        // 0xB0 - 0xB7
            "\u017D\u0179\u0141\u0143\u0160\u00A8\u00B4\u00D7" +        // 0xB8 - 0xBF
            "\u007B\u0041\u0042\u0043\u0044\u0045\u0046\u0047" +        // 0xC0 - 0xC7
            "\u0048\u0049\u00AD\u00F4\u00F6\u0155\u00F3\u0151" +        // 0xC8 - 0xCF
            "\u007D\u004A\u004B\u004C\u004D\u004E\u004F\u0050" +        // 0xD0 - 0xD7
            "\u0051\u0052\u011A\u0171\u00FC\u0165\u00FA\u011B" +        // 0xD8 - 0xDF
            "\\\u00F7\u0053\u0054\u0055\u0056\u0057\u0058" +    // 0xE0 - 0xE7
            "\u0059\u005A\u010F\u00D4\u00D6\u0154\u00D3\u0150" +        // 0xE8 - 0xEF
            "\u0030\u0031\u0032\u0033\u0034\u0035\u0036\u0037" +        // 0xF0 - 0xF7
            "\u0038\u0039\u010E\u0170\u00DC\u0164\u00DA\u009F" +        // 0xF8 - 0xFF
            "\u0000\u0001\u0002\u0003\u009C\t\u0086\u007F" +    // 0x00 - 0x07
            "\u0097\u008D\u008E\u000B\f\r\u000E\u000F" +        // 0x08 - 0x0F
            "\u0010\u0011\u0012\u0013\u009D\n\b\u0087" +        // 0x10 - 0x17
            "\u0018\u0019\u0092\u008F\u001C\u001D\u001E\u001F" +        // 0x18 - 0x1F
            "\u0080\u0081\u0082\u0083\u0084\n\u0017\u001B" +    // 0x20 - 0x27
            "\u0088\u0089\u008A\u008B\u008C\u0005\u0006\u0007" +        // 0x28 - 0x2F
            "\u0090\u0091\u0016\u0093\u0094\u0095\u0096\u0004" +        // 0x30 - 0x37
            "\u0098\u0099\u009A\u009B\u0014\u0015\u009E\u001A" +        // 0x38 - 0x3F
            "\u0020\u00A0\u00E2\u00E4\u0163\u00E1\u0103\u010D" +        // 0x40 - 0x47
            "\u00E7\u0107\u005B\u002E\u003C\u0028\u002B\u0021" +        // 0x48 - 0x4F
            "\u0026\u00E9\u0119\u00EB\u016F\u00ED\u00EE\u013E" +        // 0x50 - 0x57
            "\u013A\u00DF\u005D\u0024\u002A\u0029\u003B\u005E" +        // 0x58 - 0x5F
            "\u002D\u002F\u00C2\u00C4\u02DD\u00C1\u0102\u010C" +        // 0x60 - 0x67
            "\u00C7\u0106\u007C\u002C\u0025\u005F\u003E\u003F" +        // 0x68 - 0x6F
            "\u02C7\u00C9\u0118\u00CB\u016E\u00CD\u00CE\u013D" +        // 0x70 - 0x77
            "\u0139\u0060\u003A\u0023\u0040\'\u003D\"";         // 0x78 - 0x7F

    }

    private static class Encoder extends SingleByteEncoder {
            public Encoder(Charset cs) {
                super(cs, index1, index2, 0xFF00, 0x00FF, 8);
            }

            private final static String index2 =


            "\u0000\u0001\u0002\u0003\u0037\u002D\u002E\u002F" +
            "\u0016\u0005\u0015\u000B\f\r\u000E\u000F" +
            "\u0010\u0011\u0012\u0013\u003C\u003D\u0032\u0026" +
            "\u0018\u0019\u003F\'\u001C\u001D\u001E\u001F" +
            "\u0040\u004F\u007F\u007B\u005B\u006C\u0050\u007D" +
            "\u004D\u005D\\\u004E\u006B\u0060\u004B\u0061" +
            "\u00F0\u00F1\u00F2\u00F3\u00F4\u00F5\u00F6\u00F7" +
            "\u00F8\u00F9\u007A\u005E\u004C\u007E\u006E\u006F" +
            "\u007C\u00C1\u00C2\u00C3\u00C4\u00C5\u00C6\u00C7" +
            "\u00C8\u00C9\u00D1\u00D2\u00D3\u00D4\u00D5\u00D6" +
            "\u00D7\u00D8\u00D9\u00E2\u00E3\u00E4\u00E5\u00E6" +
            "\u00E7\u00E8\u00E9\u004A\u00E0\u005A\u005F\u006D" +
            "\u0079\u0081\u0082\u0083\u0084\u0085\u0086\u0087" +
            "\u0088\u0089\u0091\u0092\u0093\u0094\u0095\u0096" +
            "\u0097\u0098\u0099\u00A2\u00A3\u00A4\u00A5\u00A6" +
            "\u00A7\u00A8\u00A9\u00C0\u006A\u00D0\u00A1\u0007" +
            "\u0020\u0021\"\u0023\u0024\u0015\u0006\u0017" +
            "\u0028\u0029\u002A\u002B\u002C\t\n\u001B" +
            "\u0030\u0031\u001A\u0033\u0034\u0035\u0036\b" +
            "\u0038\u0039\u003A\u003B\u0004\u0014\u003E\u00FF" +
            "\u0041\u0000\u0000\u0000\u009F\u0000\u0000\u00B5" +
            "\u00BD\u0000\u0000\u0000\u0000\u00CA\u0000\u0000" +
            "\u0090\u0000\u0000\u0000\u00BE\u0000\u0000\u0000" +
            "\u009D\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0065\u0062\u0000\u0063\u0000\u0000\u0068" +
            "\u0000\u0071\u0000\u0073\u0000\u0075\u0076\u0000" +
            "\u0000\u0000\u0000\u00EE\u00EB\u0000\u00EC\u00BF" +
            "\u0000\u0000\u00FE\u0000\u00FC\u00AD\u0000\u0059" +
            "\u0000\u0045\u0042\u0000\u0043\u0000\u0000\u0048" +
            "\u0000\u0051\u0000\u0053\u0000\u0055\u0056\u0000" +
            "\u0000\u0000\u0000\u00CE\u00CB\u0000\u00CC\u00E1" +
            "\u0000\u0000\u00DE\u0000\u00DC\u008D\u0000\u0000" +
            "\u0066\u0046\u00B1\u00A0\u0069\u0049\u0000\u0000" +
            "\u0000\u0000\u0067\u0047\u00FA\u00EA\u00AC\u008C" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0072\u0052" +
            "\u00DA\u00DF\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0078" +
            "\u0058\u0000\u0000\u0077\u0057\u0000\u0000\u00BA" +
            "\u009A\u00BB\u009B\u0000\u0000\u00AB\u008B\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u00EF\u00CF" +
            "\u0000\u0000\u00ED\u00CD\u0000\u0000\u00AE\u008E" +
            "\u00AA\u008A\u0000\u0000\u00AF\u008F\u00BC\u009C" +
            "\u00B3\u0044\u00FD\u00DD\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0074\u0054\u00FB\u00DB" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u00B9" +
            "\u00B7\u00B4\u00B2\u00B8\u00B6\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0070\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0080\u00B0" +
            "\u0000\u009E\u0000\u0064\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000" +
            "\u0000\u0000\u0000\u0000\u0000\u0000";

    private final static short index1[] = {
            0, 254, 438, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381,
            381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381,
            381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381,
            381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381,
            381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381,
            381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381,
            381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381,
            381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381,
            381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381,
            381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381,
            381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381,
            381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381,
            381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381,
            381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381,
            381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381,
            381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381,

        };
    }
}