| /* ==================================================================== |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2003 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Apache" and "Apache Software Foundation" and |
| * "Apache POI" must not be used to endorse or promote products |
| * derived from this software without prior written permission. For |
| * written permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * "Apache POI", nor may "Apache" appear in their name, without |
| * prior written permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| package org.apache.poi.hssf.record.formula; |
| |
| import org.apache.poi.util.LittleEndian; |
| import org.apache.poi.hssf.model.Workbook; |
| /** |
| * Number |
| * Stores a floating point value in a formula |
| * value stored in a 8 byte field using IEEE notation |
| * @author Avik Sengupta |
| * @author Jason Height (jheight at chariot dot net dot au) |
| */ |
| |
| public class NumberPtg |
| extends Ptg |
| { |
| public final static int SIZE = 9; |
| public final static byte sid = 0x1f; |
| private double field_1_value; |
| |
| private NumberPtg() { |
| //Required for clone methods |
| } |
| |
| /** Create a NumberPtg from a byte array read from disk */ |
| public NumberPtg(byte [] data, int offset) |
| { |
| setValue(LittleEndian.getDouble(data, offset + 1)); |
| } |
| |
| /** Create a NumberPtg from a string representation of the number |
| * Number format is not checked, it is expected to be validated in the parser |
| * that calls this method. |
| * @param value : String representation of a floating point number |
| */ |
| public NumberPtg(String value) { |
| setValue(Double.parseDouble(value)); |
| } |
| |
| |
| public void setValue(double value) |
| { |
| field_1_value = value; |
| } |
| |
| |
| public double getValue() |
| { |
| return field_1_value; |
| } |
| |
| public void writeBytes(byte [] array, int offset) |
| { |
| array[ offset + 0 ] = sid; |
| LittleEndian.putDouble(array, offset + 1, getValue()); |
| } |
| |
| public int getSize() |
| { |
| return SIZE; |
| } |
| |
| public String toFormulaString(Workbook book) |
| { |
| return "" + getValue(); |
| } |
| public byte getDefaultOperandClass() {return Ptg.CLASS_VALUE;} |
| |
| public Object clone() { |
| NumberPtg ptg = new NumberPtg(); |
| ptg.field_1_value = field_1_value; |
| return ptg; |
| } |
| } |