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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) 2000-2023 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 .
 */

package org.jpos.iso;

/**
 * The NullPadder does not pad. It is a utility class to use Null Object
 * pattern.
 * 
 * @author joconnor
 * @version $Revision$ $Date$
 */
public class NullPadder implements Padder
{
    /** The only instance you need */
    public static final NullPadder INSTANCE = new NullPadder();

    /**
     */
    public String pad(String data, int maxLength)
    {
        return data;
    }

    /**
	 * (non-Javadoc)
	 *
     */
    public String unpad(String paddedData)
    {
        return paddedData;
    }
}