/* * 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; /** * This class is part of the internal implementation * of the base-64 encoding/decoding. */ public abstract class EncoderFrontEnd extends AbstractEncoderDecoder { @Override public void consume(byte b) { int partA, partB; switch (state) { default: case STATE62: partA = (b & 255) >>> 2; partB = b & 3; state = STATE44; break; case STATE44: partA = (b & 255) >>> 4; partB = b & 15; state = STATE26; break; case STATE26: partA = (b & 255) >>> 6; partB = b & 63; state = STATE62; break; } emit((byte) partA); emit((byte) partB); } }