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 * ISOFieldPackager Binary LLNUM
023 *
024 * @author apr@cs.com.uy
025 * @version $Id$
026 * @see ISOComponent
027 */
028public class IFB_LLNUM extends ISOStringFieldPackager {
029    /** Default constructor. */
030    public IFB_LLNUM() {
031        super(NullPadder.INSTANCE, BCDInterpreter.RIGHT_PADDED, BcdPrefixer.LL);
032    }
033    /**
034     * Constructs a packager with the given length and description.
035     * @param len - field len
036     * @param description symbolic descrption
037     * @param isLeftPadded if true, apply padding
038     */
039    public IFB_LLNUM(int len, String description, boolean isLeftPadded) {
040        super(len, description, NullPadder.INSTANCE,
041                isLeftPadded ? BCDInterpreter.LEFT_PADDED : BCDInterpreter.RIGHT_PADDED,
042                BcdPrefixer.LL);
043        checkLength(len, 99);
044    }
045    
046        /**
047     * Constructs a packager with extended options.
048     * @param len          field length
049     * @param description  field description
050     * @param isLeftPadded if true, left-pad the value
051     * @param fPadded if true, use F-padded BCD encoding
052     */
053    public IFB_LLNUM(int len, String description, boolean isLeftPadded, boolean fPadded) {
054        super(len, description, NullPadder.INSTANCE,
055                isLeftPadded ? BCDInterpreter.LEFT_PADDED :
056                        fPadded ? BCDInterpreter.RIGHT_PADDED_F : BCDInterpreter.RIGHT_PADDED,
057                BcdPrefixer.LL);
058        checkLength(len, 99);
059    }
060
061    public void setLength(int len)
062    {
063        checkLength(len, 99);
064        super.setLength(len);
065    }
066
067    /** Must override ISOFieldPackager method to set the Interpreter correctly */
068    public void setPad (boolean pad)
069    {
070        setInterpreter(pad ? BCDInterpreter.LEFT_PADDED : BCDInterpreter.RIGHT_PADDED);
071        this.pad = pad;
072    }
073}
074