1    /* ====================================================================
2     * The Apache Software License, Version 1.1
3     *
4     * Copyright (c) 2002 The Apache Software Foundation.  All rights
5     * reserved.
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7     * Redistribution and use in source and binary forms, with or without
8     * modification, are permitted provided that the following conditions
9     * are met:
10    *
11    * 1. Redistributions of source code must retain the above copyright
12    *    notice, this list of conditions and the following disclaimer.
13    *
14    * 2. Redistributions in binary form must reproduce the above copyright
15    *    notice, this list of conditions and the following disclaimer in
16    *    the documentation and/or other materials provided with the
17    *    distribution.
18    *
19    * 3. The end-user documentation included with the redistribution,
20    *    if any, must include the following acknowledgment:
21    *       "This product includes software developed by the
22    *        Apache Software Foundation (http://www.apache.org/)."
23    *    Alternately, this acknowledgment may appear in the software itself,
24    *    if and wherever such third-party acknowledgments normally appear.
25    *
26    * 4. The names "Apache" and "Apache Software Foundation" and
27    *    "Apache POI" must not be used to endorse or promote products
28    *    derived from this software without prior written permission. For
29    *    written permission, please contact apache@apache.org.
30    *
31    * 5. Products derived from this software may not be called "Apache",
32    *    "Apache POI", nor may "Apache" appear in their name, without
33    *    prior written permission of the Apache Software Foundation.
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45    * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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48    *
49    * This software consists of voluntary contributions made by many
50    * individuals on behalf of the Apache Software Foundation.  For more
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52    * <http://www.apache.org/>.
53    */
54   
55   package org.apache.poi.hssf.record.formula;
56   
57   import org.apache.poi.hssf.util.SheetReferences;
58   
59   /**
60    * @author Glen Stampoultzis (glens at apache.org)
61    */
62   public class UnionPtg extends OperationPtg
63   {
64       public final static byte sid  = 0x10;
65   
66   
67       public UnionPtg()
68       {
69       }
70   
71       public UnionPtg(byte [] data, int offset)
72       {
73           // doesn't need anything
74       }
75   
76   
77       public int getSize()
78       {
79           return 1;
80       }
81   
82       public void writeBytes( byte[] array, int offset )
83       {
84           array[ offset + 0 ] = sid;
85       }
86   
87       public Object clone()
88       {
89           return new UnionPtg();
90       }
91   
92       public int getType()
93       {
94           return TYPE_BINARY;
95       }
96   
97       /** Implementation of method from Ptg */
98       public String toFormulaString(SheetReferences refs)
99       {
100          return ",";
101      }
102  
103  
104      /** implementation of method from OperationsPtg*/
105      public String toFormulaString(String[] operands)
106      {
107           StringBuffer buffer = new StringBuffer();
108  
109           buffer.append(operands[ 0 ]);
110           buffer.append(",");
111           buffer.append(operands[ 1 ]);
112           return buffer.toString();
113       }
114  
115      public int getNumberOfOperands()
116      {
117          return 2;
118      }
119  
120  }
121