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jPOS is an ISO-8583 based financial transaction library/framework that can be customized and extended in order to implement financial interchanges.

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/*
 * jPOS Project [http://jpos.org]
 * Copyright (C) 2000-2017 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 .
 */

package org.jpos.iso;

/**
 * ISOFieldPackager CHARACTERS (ASCII & BINARY)
 * EBCDIC version of IF_CHAR
 * @author [email protected]
 * @version $Id$
 * @see IF_CHAR
 * @see ISOComponent
 * @deprecated Use IFE_CHAR instead
 */
public class IF_ECHAR extends ISOFieldPackager {
    public IF_ECHAR() {
        super();
    }
    /**
     * @param len - field len
     * @param description symbolic descrption
     */
    public IF_ECHAR(int len, String description) {
        super(len, description);
    }
    /**
     * @param c - a component
     * @return packed component
     * @exception ISOException
     */
    public byte[] pack (ISOComponent c) throws ISOException {
        String s = ISOUtil.strpad ((String) c.getValue(), getLength());
        return ISOUtil.asciiToEbcdic(s);
    }
    /**
     * @param c - the Component to unpack
     * @param b - binary image
     * @param offset - starting offset within the binary image
     * @return consumed bytes
     * @exception ISOException
     */
    public int unpack (ISOComponent c, byte[] b, int offset)
        throws ISOException
    {
        c.setValue(ISOUtil.ebcdicToAscii(b, offset, getLength()));
        return getLength();
    }
    public int getMaxPackedLength() {
        return getLength();
    }
}