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
28    *    "Apache POI" must not be used to endorse or promote products
29    *    derived from this software without prior written permission. For
30    *    written permission, please contact apache@apache.org.
31    *
32    * 5. Products derived from this software may not be called "Apache",
33    *    "Apache POI", nor may "Apache" appear in their name, without
34    *    prior written permission of the Apache Software Foundation.
35    *
36    * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
37    * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
38    * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
39    * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
40    * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41    * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
42    * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
43    * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
44    * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
45    * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
46    * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
47    * SUCH DAMAGE.
48    * ====================================================================
49    *
50    * This software consists of voluntary contributions made by many
51    * individuals on behalf of the Apache Software Foundation.  For more
52    * information on the Apache Software Foundation, please see
53    * <http://www.apache.org/>.
54    */
55   
56   /*
57    * IntPtg.java
58    *
59    * Created on October 29, 2001, 7:37 PM
60    */
61   package org.apache.poi.hssf.record.formula;
62   
63   import org.apache.poi.util.LittleEndian;
64   import org.apache.poi.hssf.util.SheetReferences;
65   
66   /**
67    * Integer (short intger)
68    * Stores a (java) short value in a formula
69    * @author  Andrew C. Oliver (acoliver at apache dot org)
70    * @author Jason Height (jheight at chariot dot net dot au)
71    */
72   
73   public class IntPtg
74       extends Ptg
75   {
76       public final static int  SIZE = 3;
77       public final static byte sid  = 0x1e;
78       private short            field_1_value;
79   
80       private String val;
81       private int strlen = 0;
82     
83       private IntPtg() {
84         //Required for clone methods
85       }
86   
87       public IntPtg(byte [] data, int offset)
88       {
89           setValue(LittleEndian.getShort(data, offset + 1));
90       }
91       
92       
93       // IntPtg should be able to create itself, shouldnt have to call setValue
94       public IntPtg(String formulaToken) {
95           setValue(Short.parseShort(formulaToken));
96       }
97   
98       public void setValue(short value)
99       {
100          field_1_value = value;
101      }
102  
103      public short getValue()
104      {
105          return field_1_value;
106      }
107  
108      public void writeBytes(byte [] array, int offset)
109      {
110          array[ offset + 0 ] = sid;
111          LittleEndian.putShort(array, offset + 1, getValue());
112      }
113  
114      public int getSize()
115      {
116          return SIZE;
117      }
118  
119      public String toFormulaString(SheetReferences refs)
120      {
121          return "" + getValue();
122      }
123   public byte getDefaultOperandClass() {return Ptg.CLASS_VALUE;}   
124  
125     public Object clone() {
126       IntPtg ptg = new IntPtg();
127       ptg.field_1_value = field_1_value;
128       return ptg;
129     }
130  }
131