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    * AddPtg.java
58    *
59    * Created on October 29, 2001, 7:48 PM
60    */
61   package org.apache.poi.hssf.record.formula;
62   
63   import java.util.List;
64   
65   import org.apache.poi.hssf.util.SheetReferences;
66   
67   /**
68    *
69    * @author  andy
70    * @author Jason Height (jheight at chariot dot net dot au)
71    */
72   
73   public class ConcatPtg
74       extends OperationPtg
75   {
76       public final static int  SIZE = 1;
77       public final static byte sid  = 0x08;
78       
79       private final static String CONCAT = "&";
80   
81       public ConcatPtg(byte [] data, int offset)
82       {
83   
84           // doesn't need anything
85       }
86       
87       public ConcatPtg() {
88           
89       }
90   
91       public void writeBytes(byte [] array, int offset)
92       {
93           array[ offset + 0 ] = sid;
94       }
95   
96       public int getSize()
97       {
98           return SIZE;
99       }
100  
101      public int getType()
102      {
103          return TYPE_BINARY;
104      }
105  
106      public int getNumberOfOperands()
107      {
108          return 2;
109      }
110  
111      public String toFormulaString(SheetReferences refs)
112      {
113          return CONCAT;
114      }    
115  
116         
117      public String toFormulaString(String[] operands) {
118          StringBuffer buffer = new StringBuffer();
119  
120          buffer.append(operands[ 0 ]);
121          buffer.append(CONCAT);
122          buffer.append(operands[ 1 ]);
123          return buffer.toString();
124      }
125             
126      public Object clone() {
127        return new ConcatPtg();
128      }
129  
130  }
131