1    
2    /* ====================================================================
3     * The Apache Software License, Version 1.1
4     *
5     * Copyright (c) 2002 The Apache Software Foundation.  All rights
6     * reserved.
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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
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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.
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27    * 4. The names "Apache" and "Apache Software Foundation" and
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32    * 5. Products derived from this software may not be called "Apache",
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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:        Precision Record<P>
62    * Description:  defines whether to store with full precision or what's displayed by the gui
63    *               (meaning have really screwed up and skewed figures or only think you do!)<P>
64    * REFERENCE:  PG 372 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 PrecisionRecord
70       extends Record
71   {
72       public final static short sid = 0xE;
73       public short              field_1_precision;
74   
75       public PrecisionRecord()
76       {
77       }
78   
79       /**
80        * Constructs a Precision record and sets its fields appropriately.
81        *
82        * @param id     id must be 0xe or an exception will be throw upon validation
83        * @param size  the size of the data area of the record
84        * @param data  data of the record (should not contain sid/len)
85        */
86   
87       public PrecisionRecord(short id, short size, byte [] data)
88       {
89           super(id, size, data);
90       }
91   
92       /**
93        * Constructs a Precision record and sets its fields appropriately.
94        *
95        * @param id     id must be 0xe or an exception will be throw upon validation
96        * @param size  the size of the data area of the record
97        * @param data  data of the record (should not contain sid/len)
98        * @param offset of the record
99        */
100  
101      public PrecisionRecord(short id, short size, byte [] data, int offset)
102      {
103          super(id, size, data, offset);
104      }
105  
106      protected void validateSid(short id)
107      {
108          if (id != sid)
109          {
110              throw new RecordFormatException("NOT A PRECISION RECORD");
111          }
112      }
113  
114      protected void fillFields(byte [] data, short size, int offset)
115      {
116          field_1_precision = LittleEndian.getShort(data, 0 + offset);
117      }
118  
119      /**
120       * set whether to use full precision or just skew all you figures all to hell.
121       *
122       * @param fullprecision - or not
123       */
124  
125      public void setFullPrecision(boolean fullprecision)
126      {
127          if (fullprecision == true)
128          {
129              field_1_precision = 1;
130          }
131          else
132          {
133              field_1_precision = 0;
134          }
135      }
136  
137      /**
138       * get whether to use full precision or just skew all you figures all to hell.
139       *
140       * @return fullprecision - or not
141       */
142  
143      public boolean getFullPrecision()
144      {
145          return (field_1_precision == 1);
146      }
147  
148      public String toString()
149      {
150          StringBuffer buffer = new StringBuffer();
151  
152          buffer.append("[PRECISION]\n");
153          buffer.append("    .precision       = ").append(getFullPrecision())
154              .append("\n");
155          buffer.append("[/PRECISION]\n");
156          return buffer.toString();
157      }
158  
159      public int serialize(int offset, byte [] data)
160      {
161          LittleEndian.putShort(data, 0 + offset, sid);
162          LittleEndian.putShort(data, 2 + offset,
163                                (( short ) 0x02));   // 2 bytes (6 total)
164          LittleEndian.putShort(data, 4 + offset, field_1_precision);
165          return getRecordSize();
166      }
167  
168      public int getRecordSize()
169      {
170          return 6;
171      }
172  
173      public short getSid()
174      {
175          return this.sid;
176      }
177  }
178