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Java > Open Source Codes > jxl > write > biff > BackupRecord


1 /*********************************************************************
2 *
3 * Copyright (C) 2002 Andrew Khan
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 ***************************************************************************/
19
20 package jxl.write.biff;
21
22 import jxl.biff.Type;
23 import jxl.biff.IntegerHelper;
24 import jxl.biff.WritableRecordData;
25
26 /**
27  * Record which indicates whether Excel should save backup versions of the
28  * file
29  */
30 class BackupRecord extends WritableRecordData
31 {
32   /**
33    * Flag to indicate whether or not Excel should make backups
34    */
35   private boolean backup;
36   /**
37    * The data array
38    */
39   private byte[] data;
40
41   /**
42    * Constructor
43    *
44    * @param bu backup flag
45    */
46   public BackupRecord(boolean bu)
47   {
48     super(Type.BACKUP);
49
50     backup = bu;
51
52     // Hard code in an unprotected workbook
53 data = new byte[2];
54
55     if (backup)
56     {
57       IntegerHelper.getTwoBytes(1, data, 0);
58     }
59   }
60
61   /**
62    * Returns the binary data for writing to the output file
63    *
64    * @return the binary data
65    */
66   public byte[] getData()
67   {
68     return data;
69   }
70 }
71
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