1    
2    /* ====================================================================
3     * The Apache Software License, Version 1.1
4     *
5     * Copyright (c) 2002 The Apache Software Foundation.  All rights
6     * reserved.
7     *
8     * Redistribution and use in source and binary forms, with or without
9     * modification, are permitted provided that the following conditions
10    * are met:
11    *
12    * 1. Redistributions of source code must retain the above copyright
13    *    notice, this list of conditions and the following disclaimer.
14    *
15    * 2. Redistributions in binary form must reproduce the above copyright
16    *    notice, this list of conditions and the following disclaimer in
17    *    the documentation and/or other materials provided with the
18    *    distribution.
19    *
20    * 3. The end-user documentation included with the redistribution,
21    *    if any, must include the following acknowledgment:
22    *       "This product includes software developed by the
23    *        Apache Software Foundation (http://www.apache.org/)."
24    *    Alternately, this acknowledgment may appear in the software itself,
25    *    if and wherever such third-party acknowledgments normally appear.
26    *
27    * 4. The names "Apache" and "Apache Software Foundation" and
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29    *    derived from this software without prior written permission. For
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32    * 5. Products derived from this software may not be called "Apache",
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34    *    prior written permission of the Apache Software Foundation.
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50    * This software consists of voluntary contributions made by many
51    * individuals on behalf of the Apache Software Foundation.  For more
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54    */
55   
56   package org.apache.poi.hssf.record;
57   
58   import org.apache.poi.util.LittleEndian;
59   
60   /**
61    * Title: Function Group Count Record<P>
62    * Description:  Number of built in function groups in the current version of the
63    *               Spreadsheet (probably only used on Windoze)<P>
64    * REFERENCE:  PG 315 Microsoft Excel 97 Developer's Kit (ISBN: 1-57231-498-2)<P>
65    * @author Andrew C. Oliver (acoliver at apache dot org)
66    * @version 2.0-pre
67    */
68   
69   public class FnGroupCountRecord
70       extends Record
71   {
72       public final static short sid   = 0x9c;
73   
74       /**
75        * suggested default (14 dec)
76        */
77   
78       public final static short COUNT = 14;
79       private short             field_1_count;
80   
81       public FnGroupCountRecord()
82       {
83       }
84   
85       /**
86        * Constructs a FnGroupCount record and sets its fields appropriately.
87        *
88        * @param id     id must be 0x9c or an exception will be throw upon validation
89        * @param size  the size of the data area of the record
90        * @param data  data of the record (should not contain sid/len)
91        */
92   
93       public FnGroupCountRecord(short id, short size, byte [] data)
94       {
95           super(id, size, data);
96       }
97   
98       /**
99        * Constructs a FnGroupCount record and sets its fields appropriately.
100       *
101       * @param id     id must be 0x9c or an exception will be throw upon validation
102       * @param size  the size of the data area of the record
103       * @param data  data of the record (should not contain sid/len)
104       * @param offset of the record's data
105       */
106  
107      public FnGroupCountRecord(short id, short size, byte [] data, int offset)
108      {
109          super(id, size, data, offset);
110      }
111  
112      protected void validateSid(short id)
113      {
114          if (id != sid)
115          {
116              throw new RecordFormatException("NOT A FNGROUPCOUNT RECORD");
117          }
118      }
119  
120      protected void fillFields(byte [] data, short size, int offset)
121      {
122          field_1_count = LittleEndian.getShort(data, 0 + offset);
123      }
124  
125      /**
126       * set the number of built-in functions
127       *
128       * @param count - number of functions
129       */
130  
131      public void setCount(short count)
132      {
133          field_1_count = count;
134      }
135  
136      /**
137       * get the number of built-in functions
138       *
139       * @return number of built-in functions
140       */
141  
142      public short getCount()
143      {
144          return field_1_count;
145      }
146  
147      public String toString()
148      {
149          StringBuffer buffer = new StringBuffer();
150  
151          buffer.append("[FNGROUPCOUNT]\n");
152          buffer.append("    .count            = ").append(getCount())
153              .append("\n");
154          buffer.append("[/FNGROUPCOUNT]\n");
155          return buffer.toString();
156      }
157  
158      public int serialize(int offset, byte [] data)
159      {
160          LittleEndian.putShort(data, 0 + offset, sid);
161          LittleEndian.putShort(data, 2 + offset,
162                                (( short ) 0x02));   // 2 bytes (6 total)
163          LittleEndian.putShort(data, 4 + offset, getCount());
164          return getRecordSize();
165      }
166  
167      public int getRecordSize()
168      {
169          return 6;
170      }
171  
172      public short getSid()
173      {
174          return this.sid;
175      }
176  }
177