001    /**
002     *  This library is free software; you can redistribute it and/or modify it
003     *  under the terms of the GNU Lesser General Public License (LGPL) as
004     *  published by the Free Software Foundation; either version 3.0 of the
005     *  License, or (at your option) any later version.
006     *
007     *  This library is distributed in the hope that it will be useful, but
008     *  WITHOUT ANY WARRANTY; without even the implied warranty of
009     *  MERCHANTABILITY of FITNESS FOR A PARTICULAR PURPOSE. See the GNU
010     *  Lesser General Public License for more details. 
011     */
012    
013    /**
014     * Title:        JBarcodeBean
015     * Description:  Barcode JavaBeans Component
016     * Copyright:    Copyright (C) 2004
017     * Company:      Dafydd Walters
018     */
019    package net.sourceforge.jbarcodebean.model;
020    
021    /**
022     * This class, which implements the {@link BarcodeStrategy} interface,
023     * knows how to encode the 2:1 (narrow)
024     * variant of the Interleaved Code 2 of 5 barcode type.
025     */
026    public class Interleaved25_2to1 extends Interleaved25 implements java.io.Serializable {
027    
028      private static CharacterCode[] codes = {
029        new CharacterCode('1', new byte[] {2,1,1,1,2}, 1),
030        new CharacterCode('2', new byte[] {1,2,1,1,2}, 2),
031        new CharacterCode('3', new byte[] {2,2,1,1,1}, 3),
032        new CharacterCode('4', new byte[] {1,1,2,1,2}, 4),
033        new CharacterCode('5', new byte[] {2,1,2,1,1}, 5),
034        new CharacterCode('6', new byte[] {1,2,2,1,1}, 6),
035        new CharacterCode('7', new byte[] {1,1,1,2,2}, 7),
036        new CharacterCode('8', new byte[] {2,1,1,2,1}, 8),
037        new CharacterCode('9', new byte[] {1,2,1,2,1}, 9),
038        new CharacterCode('0', new byte[] {1,1,2,2,1}, 0),
039        new CharacterCode('A', new byte[] {1,1,1,1}, -1),   // Start
040        new CharacterCode('B', new byte[] {2,1,1}, -1)      // Stop
041      };
042    
043      /**
044       * This implementation of <tt>getCodes</tt> returns an array of
045       * {@link AbstractBarcodeStrategy.CharacterCode CharacterCode} objects
046       * for the narrow Interleaved Code25 format.
047       */
048      protected CharacterCode[] getCodes() {
049        return Interleaved25_2to1.codes;
050      }
051    }