/* * Copyright (c) 2000 jPOS.org.  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in *    the documentation and/or other materials provided with the *    distribution. * * 3. The end-user documentation included with the redistribution, *    if any, must include the following acknowledgment: *    "This product includes software developed by the jPOS project  *    (http://www.jpos.org/)". Alternately, this acknowledgment may  *    appear in the software itself, if and wherever such third-party  *    acknowledgments normally appear. * * 4. The names "jPOS" and "jPOS.org" must not be used to endorse  *    or promote products derived from this software without prior  *    written permission. For written permission, please contact  *    license@jpos.org. * * 5. Products derived from this software may not be called "jPOS", *    nor may "jPOS" appear in their name, without prior written *    permission of the jPOS project. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.   * IN NO EVENT SHALL THE JPOS PROJECT OR ITS CONTRIBUTORS BE LIABLE FOR  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE  * POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the jPOS Project.  For more * information please see <http://www.jpos.org/>. */package org.jpos.iso;import java.io.IOException;import java.io.InputStream;import java.text.DecimalFormat;/** * ISOFieldPackager ASCII variable len BINARY * * @author salaman@teknos.com * @author Christopher.Harris@retail-logic.com * @version Id: IFA_LLLBINARY.java,v 1.0 1999/05/15 01:05 salaman Exp  * @see ISOComponent */public class IFA_LLLABINARY extends ISOFieldPackager {    public IFA_LLLABINARY() {	super();    }    /**     * @param len - field len     * @param description symbolic descrption     */    public IFA_LLLABINARY (int len, String description) {        super(len, description);    }    /**     * @param c - a component     * @return packed component     * @exception ISOException     */    public byte[] pack (ISOComponent c) throws ISOException {       //CJH incorrect IFA_LLLBINARY pack 08/07/04           int len;        byte[] b = (byte[]) c.getValue();            if ( (len=b.length) > getLength() || len>999)            throw new ISOException (                "invalid len "+len                 +" packing LLLBINARY field "+ c.getKey()            );                byte[] data = ISOUtil.hexString( (byte[]) c.getValue() ).getBytes();        byte[] nb=new byte[ 3 +  data.length];        byte[] length = new DecimalFormat("000").format(len).getBytes();        System.arraycopy(length, 0, nb, 0, 3);        System.arraycopy(data, 0, nb, 3, data.length);        return nb;//      CJH END     }    /**     * @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    {      //CJH incorrect IFA_LLLBINARY unpack 08/07/04              int len = Integer.parseInt(new String(b, offset, 3));             c.setValue (ISOUtil.hex2byte(b, offset + 3, len));      return (len * 2) + 3;              //CJH END    }    public ISOComponent createComponent(int fieldNumber) {        return new ISOBinaryField (fieldNumber);    }    public int getMaxPackedLength() {        return (getLength() << 1) + 3;    }    public void unpack (ISOComponent c, InputStream in)         throws IOException, ISOException    {        int len = Integer.parseInt(new String(readBytes (in, 3)));        c.setValue (readBytes (in, len));    }}