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What Is poi-scratchpad-5.2.3.jar?
What Is poi-scratchpad-5.2.3.jar?
✍: FYIcenter.com
poi-scratchpad-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-scratchpad-5.2.3.jar provides support for older versions of Microsoft document files like Word 97, Excel 97, PowerPoint 97, etc.
poi-scratchpad-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-scratchpad-5.2.3.jar Target JDK version: 9 Dependency: poi.jar File name: poi-scratchpad.jar, poi-scratchpad-5.2.3.jar File size: 1897121 bytes Release date: 09-09-2022 Download: Apache POI Website
Here are Java Source Code files for poi-scratchpad-5.2.3.jar:
⏎ org/apache/poi/hdgf/HDGFLZW.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.hdgf; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import org.apache.commons.io.output.UnsynchronizedByteArrayOutputStream; import org.apache.poi.util.LZWDecompresser; /** * A decoder for the crazy LZW implementation used * in Visio. * According to VSDump, "it's a slightly perverted version of LZW * compression, with inverted meaning of flag byte and 0xFEE as an * 'initial shift'". It uses 12 bit codes * (http://www.gnome.ru/projects/vsdump_en.html) * * Two good resources on LZW are: * http://en.wikipedia.org/wiki/LZW * http://marknelson.us/1989/10/01/lzw-data-compression/ */ public class HDGFLZW extends LZWDecompresser { public HDGFLZW() { // Out flag is the wrong way round! // Length wise, we're 3 longer than we say, so the max len is 19 // Endian wise, we're little endian, so 0x1234 is pos 0x312 super(false, 3, false); } /** * Compress the given input stream, returning the array of bytes * of the compressed input * * @param src the compression source byte * @return the compressed stream as bytes * * @throws IOException when the InputStream can't be read */ public byte[] compress(InputStream src) throws IOException { UnsynchronizedByteArrayOutputStream res = new UnsynchronizedByteArrayOutputStream(); compress(src,res); return res.toByteArray(); } /** * We have a slight shift by 18 bytes */ @Override protected int adjustDictionaryOffset(int pntr) { if(pntr > 4078) { pntr = pntr - 4078; } else { pntr = pntr + 18; } return pntr; } /** * We want an empty dictionary, so do nothing */ @Override protected int populateDictionary(byte[] dict) { return 0; } /** * Performs the Visio compatible streaming LZW compression. * * @param src the input bytes for the compression * @param res the OutputStream which receives the compressed bytes * * @throws IOException when the InputStream can't be read * or the OutputStream can't be written to */ public void compress(InputStream src, OutputStream res) throws IOException { HDGFLZWCompressor c = new HDGFLZWCompressor(res); c.compress(src); } }
⏎ org/apache/poi/hdgf/HDGFLZW.java
Or download all of them as a single archive file:
File name: poi-scratchpad-5.2.3-src.zip File size: 1238744 bytes Release date: 2022-09-09 Download
⇒ What Is poi-examples-5.2.3.jar?
⇐ What Is poi-excelant-5.2.3.jar?
2017-03-22, 25488👍, 0💬
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