001/*
002 * jPOS Project [http://jpos.org]
003 * Copyright (C) 2000-2026 jPOS Software SRL
004 *
005 * This program is free software: you can redistribute it and/or modify
006 * it under the terms of the GNU Affero General Public License as
007 * published by the Free Software Foundation, either version 3 of the
008 * License, or (at your option) any later version.
009 *
010 * This program is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013 * GNU Affero General Public License for more details.
014 *
015 * You should have received a copy of the GNU Affero General Public License
016 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
017 */
018
019package org.jpos.iso;
020
021/**
022 *  EBCDIC version of IFMC_TCC
023 */
024public class IFEMC_TCC extends IFE_CHAR{
025    /** Default constructor; no instance state to initialise. */
026    public IFEMC_TCC() {}
027
028    @Override
029    public byte[] pack(ISOComponent c) throws ISOException {
030        if (c != null) return super.pack(c);
031        else return new byte[0];
032    }
033
034    @Override
035    public int unpack(ISOComponent c, byte[] b, int offset) throws ISOException {
036        if (b.length > offset) {
037            byte[] ch= ISOUtil.ebcdicToAsciiBytes(b, offset, 1);        // decode a single char
038            if (Character.isAlphabetic(ch[0]) || ch[0] == ' ')
039                return super.unpack(c, b, offset);
040        }
041        return 0;
042    }
043
044}