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/*
 *
 * This file is part of the iText (R) project.
    Copyright (c) 1998-2017 iText Group NV
 * Authors: Bruno Lowagie, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
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 * following permission added to Section 15 as permitted in Section 7(a):
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 * ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
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 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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 * See the GNU Affero General Public License for more details.
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package com.itextpdf.text.zugferd.checkers.extended;

import com.itextpdf.text.zugferd.checkers.CodeValidation;

/**
 * Series of codes that can be used for quantities.
 * These codes are used only in the context of the Extended profile.
 */
public class QuantityCode extends CodeValidation {
    
    public static final String BARREL = "BA";
    public static final String BOTTLECRATE = "BC";
    public static final String BAG = "BG";
    public static final String BOTTLE = "BO";
    public static final String BOX = "BX";
    public static final String CASE = "CS";
    public static final String CARTON = "CT";
    public static final String CAN = "CX";
    public static final String UNPACKAGED = "NE";
    public static final String PALLET = "PX";
    public static final String ROLL = "RO";
    public static final String SACK = "SA";
    
    /**
     * The code list provided with the ZUGFeRD standard only lists twelve codes.
     * There are more codes available (in UNCL 7065).
     * We won't check the presence of a code in UNCL 7065, but we'll check if
     * the code consists of two letters and if it's uppercase.
     * @param code the code to be tested
     * @return true if the code has the correct format
     */
    public boolean isValid(String code) {
        return isUppercase(code, 2);
    }
}