Categories:
Audio (13)
Biotech (29)
Bytecode (36)
Database (77)
Framework (7)
Game (7)
General (507)
Graphics (53)
I/O (35)
IDE (2)
JAR Tools (101)
JavaBeans (21)
JDBC (121)
JDK (426)
JSP (20)
Logging (108)
Mail (58)
Messaging (8)
Network (84)
PDF (97)
Report (7)
Scripting (84)
Security (32)
Server (121)
Servlet (26)
SOAP (24)
Testing (54)
Web (15)
XML (309)
Collections:
Other Resources:
What Is poi-5.2.3.jar?
What Is poi-5.2.3.jar?
✍: FYIcenter.com
poi-5.2.3.jar is one of the JAR files for Apache POI 5.2.3, which provides an API for Microsoft document files of Word, Excel, PowerPoint, and Visio.
poi-5.2.3.jar supports Apache POI components that read and write Microsoft's OLE 2 Compound document format, which is used in early versions of Microsoft Office tools like Word 97, Excel 97, PowerPoint 97, etc.
poi-5.2.3.jar is distributed as part of the poi-bin-5.2.3-20220909.zip download file.
JAR File Size and Download Location:
JAR name: poi-5.2.3.jar Target JDK version: 9 File name: poi.jar, poi-5.2.3.jar File size: 2964641 bytes Release date: 09-09-2022 Download: Apache POI Website
Here are Java Source Code files for poi-5.2.3.jar:
⏎ org/apache/poi/ss/util/NumberToTextConverter.java
/* ==================================================================== Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. ==================================================================== */ package org.apache.poi.ss.util; /** * Excel converts numbers to text with different rules to those of java, so * {@code Double.toString(value)} won't do. * <ul> * <li>No more than 15 significant figures are output (java does 18).</li> * <li>The sign char for the exponent is included even if positive</li> * <li>Special values ({@code NaN} and {@code Infinity}) get rendered like the ordinary * number that the bit pattern represents.</li> * <li>Denormalised values (between ±2<sup>-1074</sup> and ±2<sup>-1022</sup> * are displayed as "0"</li> * </ul> * IEEE 64-bit Double Rendering Comparison * * <table> * <caption>IEEE 64-bit Double Rendering Comparison</caption> * <tr><th>Raw bits</th><th>Java</th><th>Excel</th></tr> * * <tr><td>0x0000000000000000L</td><td>0.0</td><td>0</td></tr> * <tr><td>0x3FF0000000000000L</td><td>1.0</td><td>1</td></tr> * <tr><td>0x3FF00068DB8BAC71L</td><td>1.0001</td><td>1.0001</td></tr> * <tr><td>0x4087A00000000000L</td><td>756.0</td><td>756</td></tr> * <tr><td>0x401E3D70A3D70A3DL</td><td>7.56</td><td>7.56</td></tr> * <tr><td>0x405EDD3C07FB4C99L</td><td>123.45678901234568</td><td>123.456789012346</td></tr> * <tr><td>0x4132D687E3DF2180L</td><td>1234567.8901234567</td><td>1234567.89012346</td></tr> * <tr><td>0x3EE9E409302678BAL</td><td>1.2345678901234568E-5</td><td>1.23456789012346E-05</td></tr> * <tr><td>0x3F202E85BE180B74L</td><td>1.2345678901234567E-4</td><td>0.000123456789012346</td></tr> * <tr><td>0x3F543A272D9E0E51L</td><td>0.0012345678901234567</td><td>0.00123456789012346</td></tr> * <tr><td>0x3F8948B0F90591E6L</td><td>0.012345678901234568</td><td>0.0123456789012346</td></tr> * <tr><td>0x3EE9E409301B5A02L</td><td>1.23456789E-5</td><td>0.0000123456789</td></tr> * <tr><td>0x3E6E7D05BDABDE50L</td><td>5.6789012345E-8</td><td>0.000000056789012345</td></tr> * <tr><td>0x3E6E7D05BDAD407EL</td><td>5.67890123456E-8</td><td>5.67890123456E-08</td></tr> * <tr><td>0x3E6E7D06029F18BEL</td><td>5.678902E-8</td><td>0.00000005678902</td></tr> * <tr><td>0x2BCB5733CB32AE6EL</td><td>9.999999999999123E-98</td><td>9.99999999999912E-98</td></tr> * <tr><td>0x2B617F7D4ED8C59EL</td><td>1.0000000000001235E-99</td><td>1.0000000000001E-99</td></tr> * <tr><td>0x0036319916D67853L</td><td>1.2345678901234578E-307</td><td>1.2345678901235E-307</td></tr> * <tr><td>0x359DEE7A4AD4B81FL</td><td>2.0E-50</td><td>2E-50</td></tr> * <tr><td>0x41678C29DCD6E9E0L</td><td>1.2345678901234567E7</td><td>12345678.9012346</td></tr> * <tr><td>0x42A674E79C5FE523L</td><td>1.2345678901234568E13</td><td>12345678901234.6</td></tr> * <tr><td>0x42DC12218377DE6BL</td><td>1.2345678901234567E14</td><td>123456789012346</td></tr> * <tr><td>0x43118B54F22AEB03L</td><td>1.2345678901234568E15</td><td>1234567890123460</td></tr> * <tr><td>0x43E56A95319D63E1L</td><td>1.2345678901234567E19</td><td>12345678901234600000</td></tr> * <tr><td>0x441AC53A7E04BCDAL</td><td>1.2345678901234568E20</td><td>1.23456789012346E+20</td></tr> * <tr><td>0xC3E56A95319D63E1L</td><td>-1.2345678901234567E19</td><td>-12345678901234600000</td></tr> * <tr><td>0xC41AC53A7E04BCDAL</td><td>-1.2345678901234568E20</td><td>-1.23456789012346E+20</td></tr> * <tr><td>0x54820FE0BA17F46DL</td><td>1.2345678901234577E99</td><td>1.2345678901235E+99</td></tr> * <tr><td>0x54B693D8E89DF188L</td><td>1.2345678901234576E100</td><td>1.2345678901235E+100</td></tr> * <tr><td>0x4A611B0EC57E649AL</td><td>2.0E50</td><td>2E+50</td></tr> * <tr><td>0x7FEFFFFFFFFFFFFFL</td><td>1.7976931348623157E308</td><td>1.7976931348623E+308</td></tr> * <tr><td>0x0010000000000000L</td><td>2.2250738585072014E-308</td><td>2.2250738585072E-308</td></tr> * <tr><td>0x000FFFFFFFFFFFFFL</td><td>2.225073858507201E-308</td><td>0</td></tr> * <tr><td>0x0000000000000001L</td><td>4.9E-324</td><td>0</td></tr> * <tr><td>0x7FF0000000000000L</td><td>Infinity</td><td>1.7976931348623E+308</td></tr> * <tr><td>0xFFF0000000000000L</td><td>-Infinity</td><td>1.7976931348623E+308</td></tr> * <tr><td>0x441AC7A08EAD02F2L</td><td>1.234999999999999E20</td><td>1.235E+20</td></tr> * <tr><td>0x40FE26BFFFFFFFF9L</td><td>123499.9999999999</td><td>123500</td></tr> * <tr><td>0x3E4A857BFB2F2809L</td><td>1.234999999999999E-8</td><td>0.00000001235</td></tr> * <tr><td>0x3BCD291DEF868C89L</td><td>1.234999999999999E-20</td><td>1.235E-20</td></tr> * <tr><td>0x444B1AE4D6E2EF4FL</td><td>9.999999999999999E20</td><td>1E+21</td></tr> * <tr><td>0x412E847FFFFFFFFFL</td><td>999999.9999999999</td><td>1000000</td></tr> * <tr><td>0x3E45798EE2308C39L</td><td>9.999999999999999E-9</td><td>0.00000001</td></tr> * <tr><td>0x3C32725DD1D243ABL</td><td>9.999999999999999E-19</td><td>0.000000000000000001</td></tr> * <tr><td>0x3BFD83C94FB6D2ABL</td><td>9.999999999999999E-20</td><td>1E-19</td></tr> * <tr><td>0xC44B1AE4D6E2EF4FL</td><td>-9.999999999999999E20</td><td>-1E+21</td></tr> * <tr><td>0xC12E847FFFFFFFFFL</td><td>-999999.9999999999</td><td>-1000000</td></tr> * <tr><td>0xBE45798EE2308C39L</td><td>-9.999999999999999E-9</td><td>-0.00000001</td></tr> * <tr><td>0xBC32725DD1D243ABL</td><td>-9.999999999999999E-19</td><td>-0.000000000000000001</td></tr> * <tr><td>0xBBFD83C94FB6D2ABL</td><td>-9.999999999999999E-20</td><td>-1E-19</td></tr> * <tr><td>0xFFFF0420003C0000L</td><td>NaN</td><td>3.484840871308E+308</td></tr> * <tr><td>0x7FF8000000000000L</td><td>NaN</td><td>2.6965397022935E+308</td></tr> * <tr><td>0x7FFF0420003C0000L</td><td>NaN</td><td>3.484840871308E+308</td></tr> * <tr><td>0xFFF8000000000000L</td><td>NaN</td><td>2.6965397022935E+308</td></tr> * <tr><td>0xFFFF0AAAAAAAAAAAL</td><td>NaN</td><td>3.4877119413344E+308</td></tr> * <tr><td>0x7FF80AAAAAAAAAAAL</td><td>NaN</td><td>2.7012211948322E+308</td></tr> * <tr><td>0xFFFFFFFFFFFFFFFFL</td><td>NaN</td><td>3.5953862697246E+308</td></tr> * <tr><td>0x7FFFFFFFFFFFFFFFL</td><td>NaN</td><td>3.5953862697246E+308</td></tr> * <tr><td>0xFFF7FFFFFFFFFFFFL</td><td>NaN</td><td>2.6965397022935E+308</td></tr> * </table> * * <b>Note</b>: * Excel has inconsistent rules for the following numeric operations: * <ul> * <li>Conversion to string (as handled here)</li> * <li>Rendering numerical quantities in the cell grid.</li> * <li>Conversion from text</li> * <li>General arithmetic</li> * </ul> * Excel's text to number conversion is not a true <i>inverse</i> of this operation. The * allowable ranges are different. Some numbers that don't correctly convert to text actually * <b>do</b> get handled properly when used in arithmetic evaluations. */ public final class NumberToTextConverter { private static final long EXCEL_NAN_BITS = 0xFFFF0420003C0000L; private static final int MAX_TEXT_LEN = 20; private NumberToTextConverter() { // no instances of this class } /** * Converts the supplied {@code value} to the text representation that Excel would give if * the value were to appear in an unformatted cell, or as a literal number in a formula.<br> * Note - the results from this method differ slightly from those of {@code Double.toString()} * In some special cases Excel behaves quite differently. This function attempts to reproduce * those results. */ public static String toText(double value) { return rawDoubleBitsToText(Double.doubleToLongBits(value)); } /* package */ static String rawDoubleBitsToText(long pRawBits) { long rawBits = pRawBits; boolean isNegative = rawBits < 0; // sign bit is in the same place for long and double if (isNegative) { rawBits &= 0x7FFFFFFFFFFFFFFFL; } if (rawBits == 0) { return isNegative ? "-0" : "0"; } ExpandedDouble ed = new ExpandedDouble(rawBits); if (ed.getBinaryExponent() < -1022) { // value is 'denormalised' which means it is less than 2^-1022 // excel displays all these numbers as zero, even though calculations work OK return isNegative ? "-0" : "0"; } if (ed.getBinaryExponent() == 1024) { // Special number NaN /Infinity // Normally one would not create HybridDecimal objects from these values // except in these cases Excel really tries to render them as if they were normal numbers if(rawBits == EXCEL_NAN_BITS) { return "3.484840871308E+308"; } // This is where excel really gets it wrong // Special numbers like Infinity and NaN are interpreted according to // the standard rules below. isNegative = false; // except that the sign bit is ignored } NormalisedDecimal nd = ed.normaliseBaseTen(); StringBuilder sb = new StringBuilder(MAX_TEXT_LEN+1); if (isNegative) { sb.append('-'); } convertToText(sb, nd); return sb.toString(); } private static void convertToText(StringBuilder sb, NormalisedDecimal pnd) { NormalisedDecimal rnd = pnd.roundUnits(); int decExponent = rnd.getDecimalExponent(); String decimalDigits; if (Math.abs(decExponent)>98) { decimalDigits = rnd.getSignificantDecimalDigitsLastDigitRounded(); if (decimalDigits.length() == 16) { // rounding caused carry decExponent++; } } else { decimalDigits = rnd.getSignificantDecimalDigits(); } int countSigDigits = countSignifantDigits(decimalDigits); if (decExponent < 0) { formatLessThanOne(sb, decimalDigits, decExponent, countSigDigits); } else { formatGreaterThanOne(sb, decimalDigits, decExponent, countSigDigits); } } private static void formatLessThanOne(StringBuilder sb, String decimalDigits, int decExponent, int countSigDigits) { int nLeadingZeros = -decExponent - 1; int normalLength = 2 + nLeadingZeros + countSigDigits; // 2 == "0.".length() if (needsScientificNotation(normalLength)) { sb.append(decimalDigits.charAt(0)); if (countSigDigits > 1) { sb.append('.'); sb.append(decimalDigits.subSequence(1, countSigDigits)); } sb.append("E-"); appendExp(sb, -decExponent); return; } sb.append("0."); for (int i=nLeadingZeros; i>0; i--) { sb.append('0'); } sb.append(decimalDigits.subSequence(0, countSigDigits)); } private static void formatGreaterThanOne(StringBuilder sb, String decimalDigits, int decExponent, int countSigDigits) { if (decExponent > 19) { // scientific notation sb.append(decimalDigits.charAt(0)); if (countSigDigits>1) { sb.append('.'); sb.append(decimalDigits.subSequence(1, countSigDigits)); } sb.append("E+"); appendExp(sb, decExponent); return; } int nFractionalDigits = countSigDigits - decExponent - 1; if (nFractionalDigits > 0) { sb.append(decimalDigits.subSequence(0, decExponent+1)); sb.append('.'); sb.append(decimalDigits.subSequence(decExponent+1, countSigDigits)); return; } sb.append(decimalDigits.subSequence(0, countSigDigits)); for (int i=-nFractionalDigits; i>0; i--) { sb.append('0'); } } private static boolean needsScientificNotation(int nDigits) { return nDigits > MAX_TEXT_LEN; } private static int countSignifantDigits(String sb) { int result=sb.length()-1; while(sb.charAt(result) == '0') { result--; if(result < 0) { throw new RuntimeException("No non-zero digits found"); } } return result + 1; } private static void appendExp(StringBuilder sb, int val) { if(val < 10) { sb.append('0'); sb.append((char)('0' + val)); return; } sb.append(val); } }
⏎ org/apache/poi/ss/util/NumberToTextConverter.java
Or download all of them as a single archive file:
File name: poi-5.2.3-src.zip File size: 2479830 bytes Release date: 2022-09-09 Download
⇒ What Is poi-ooxml-5.2.3.jar?
⇐ What Is poi-bin-5.2.3-20220909.zip?
2017-04-04, 56889👍, 0💬
Popular Posts:
What Is javamail1_1_3.zip? javamail1_1_3.zip is the binary package of JavaMail API 1.1.3 in ZIP form...
ASM is an all purpose Java bytecode manipulation and analysis framework. It can be used to modify ex...
What Is wstx-asl-3.2.8.jar? wstx-asl-3.2.8.jar is JAR file for the ASL component of Woodstox 3.2.8. ...
The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms, it was develo...
iText is an ideal library for developers looking to enhance web- and other applications with dynamic...