/*
 * jPOS Project [http://jpos.org]
 * Copyright (C) 2000-2023 jPOS Software SRL
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.jpos.iso;

/**
 *  EBCDIC version of IFMC_TCC
 */
public class IFEMC_TCC extends IFE_CHAR{

    @Override
    public byte[] pack(ISOComponent c) throws ISOException {
        if (c != null) return super.pack(c);
        else return new byte[0];
    }

    @Override
    public int unpack(ISOComponent c, byte[] b, int offset) throws ISOException {
        if (b.length > offset) {
            byte[] ch= ISOUtil.ebcdicToAsciiBytes(b, offset, 1);        // decode a single char
            if (Character.isAlphabetic(ch[0]) || ch[0] == ' ')
                return super.unpack(c, b, offset);
        }
        return 0;
    }

}
