/*
* Copyright 2005-2015 by BerryWorks Software, LLC. All rights reserved.
*
* This file is part of EDIReader. You may obtain a license for its use directly from
* BerryWorks Software, and you may also choose to use this software under the terms of the
* GPL version 3. Other products in the EDIReader software suite are available only by licensing
* with BerryWorks. Only those files bearing the GPL statement below are available under the GPL.
*
* EDIReader is free software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* EDIReader 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 for more details.
*
* You should have received a copy of the GNU General Public License along with EDIReader. If not,
* see <http://www.gnu.org/licenses/>.
*/
package com.berryworks.edireader.util.base64;
import java.nio.charset.Charset;
/**
* This class establishes a base for common inheritance among the classes
* that cooperate to provide base 64 encoding and decoding.
*/
public abstract class AbstractEncoderDecoder {
protected static final Charset charset = Charset.forName("8859_1");
static final byte STATE62 = 0;
static final byte STATE44 = 1;
static final byte STATE26 = 2;
static final byte STATE24 = 3;
static final byte STATE42 = 4;
static final byte STATE66 = 5;
private static final byte INITIAL_STATE = STATE62;
int state = INITIAL_STATE;
public abstract void consume(byte b);
protected abstract void emit(byte b);
protected abstract void endOfData();
void reset() {
state = INITIAL_STATE;
}
}