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 * SubtractPtg.java 58 * 59 * Created on November 4, 2001, 6:48 PM 60 */ 61 package org.apache.poi.hssf.record.formula; 62 63 import java.util.List; 64 65 /** 66 * 67 * @author andy 68 */ 69 70 public class SubtractPtg 71 extends OperationPtg 72 { 73 public final static int SIZE = 1; 74 public final static byte sid = 0x04; 75 76 protected SubtractPtg() 77 { 78 } 79 80 public SubtractPtg(byte [] data, int offset) 81 { 82 83 // doesn't need anything 84 } 85 86 public void writeBytes(byte [] array, int offset) 87 { 88 array[ offset + 0 ] = sid; 89 } 90 91 public int getSize() 92 { 93 return SIZE; 94 } 95 96 public int getType() 97 { 98 return TYPE_BINARY; 99 } 100 101 public int getNumberOfOperands() 102 { 103 return 2; 104 } 105 106 public String toFormulaString() 107 { 108 return "-"; 109 } 110 111 112 public String toFormulaString(String[] operands) { 113 StringBuffer buffer = new StringBuffer(); 114 115 buffer.append(operands[ 0 ]); 116 buffer.append("-"); 117 buffer.append(operands[ 1 ]); 118 return buffer.toString(); 119 } 120 } 121