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 * Implements the Padder interface for padding strings and byte arrays on the
023 * Right. The difference between this and RightPadder is that this truncates the data
024 * during packing, instead of throwing an exception.
025 * 
026 * @author jonathan.oconnor@xcom.de
027 * @version $Revision$ $Date$
028 */
029public class RightTPadder extends RightPadder
030{
031    /**
032         * A padder for padding spaces on the right. This is very common in
033         * alphabetic fields.
034         */
035    public static final RightTPadder SPACE_PADDER = new RightTPadder(' ');
036
037    /**
038         * Creates a Right Truncating Padder with a specific pad character.
039         * 
040         * @param pad
041         *            The padding character. For binary padders, the pad character
042         *            is truncated to lower order byte.
043         */
044    public RightTPadder(char pad)
045    {
046        super(pad);
047    }
048
049    /**
050         * @see org.jpos.iso.Padder#pad(java.lang.String, int)
051         */
052    public String pad(String data, int maxLength) throws ISOException
053    {
054        if (data.length() > maxLength)
055        {
056            return super.pad(data.substring(0,maxLength), maxLength);
057        } else
058        {
059            return super.pad(data, maxLength);
060        }
061    }
062}