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What Is poi-examples-5.2.3.jar?
What Is poi-examples-5.2.3.jar?
✍: FYIcenter.com
poi-examples-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-examples-5.2.3.jar provides examples for both poi.jar and poi-ooxml.jar components.
poi-examples-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-examples-5.2.3.jar Target JDK version: 1.6 Dependency: poi.jar poi-ooxml.jar File name: poi-examples-5.2.3.jar File size: 388829 bytes Release date: 09-09-2022 Download: Apache POI Website
Here are Java Source Code files for poi-examples-5.2.3.jar:
⏎ org/apache/poi/examples/xssf/eventusermodel/FromHowTo.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.examples.xssf.eventusermodel; import java.io.InputStream; import java.util.Iterator; import java.util.LinkedHashMap; import java.util.Map; import javax.xml.parsers.ParserConfigurationException; import org.apache.poi.openxml4j.opc.OPCPackage; import org.apache.poi.openxml4j.opc.PackageAccess; import org.apache.poi.util.StringUtil; import org.apache.poi.util.XMLHelper; import org.apache.poi.xssf.eventusermodel.XSSFReader; import org.apache.poi.xssf.model.SharedStrings; import org.xml.sax.Attributes; import org.xml.sax.ContentHandler; import org.xml.sax.InputSource; import org.xml.sax.SAXException; import org.xml.sax.XMLReader; import org.xml.sax.helpers.DefaultHandler; /** * XSSF and SAX (Event API) basic example. * See {@link XLSX2CSV} for a fuller example of doing * XSLX processing with the XSSF Event code. */ @SuppressWarnings({"java:S106","java:S4823","java:S1192"}) public class FromHowTo { public void processFirstSheet(String filename) throws Exception { try (OPCPackage pkg = OPCPackage.open(filename, PackageAccess.READ)) { XSSFReader r = new XSSFReader(pkg); SharedStrings sst = r.getSharedStringsTable(); XMLReader parser = fetchSheetParser(sst); // process the first sheet try (InputStream sheet = r.getSheetsData().next()) { InputSource sheetSource = new InputSource(sheet); parser.parse(sheetSource); } } } public void processAllSheets(String filename) throws Exception { try (OPCPackage pkg = OPCPackage.open(filename, PackageAccess.READ)) { XSSFReader r = new XSSFReader(pkg); SharedStrings sst = r.getSharedStringsTable(); XMLReader parser = fetchSheetParser(sst); Iterator<InputStream> sheets = r.getSheetsData(); while (sheets.hasNext()) { System.out.println("Processing new sheet:\n"); try (InputStream sheet = sheets.next()) { InputSource sheetSource = new InputSource(sheet); parser.parse(sheetSource); } System.out.println(); } } } public XMLReader fetchSheetParser(SharedStrings sst) throws SAXException, ParserConfigurationException { XMLReader parser = XMLHelper.newXMLReader(); ContentHandler handler = new SheetHandler(sst); parser.setContentHandler(handler); return parser; } /** * See org.xml.sax.helpers.DefaultHandler javadocs */ private static class SheetHandler extends DefaultHandler { private final SharedStrings sst; private String lastContents; private boolean nextIsString; private boolean inlineStr; private final LruCache<Integer,String> lruCache = new LruCache<>(50); private static class LruCache<A,B> extends LinkedHashMap<A, B> { private final int maxEntries; public LruCache(final int maxEntries) { super(maxEntries + 1, 1.0f, true); this.maxEntries = maxEntries; } @Override protected boolean removeEldestEntry(final Map.Entry<A, B> eldest) { return super.size() > maxEntries; } } private SheetHandler(SharedStrings sst) { this.sst = sst; } @Override public void startElement(String uri, String localName, String name, Attributes attributes) throws SAXException { // c => cell if(name.equals("c")) { // Print the cell reference System.out.print(attributes.getValue("r") + " - "); // Figure out if the value is an index in the SST String cellType = attributes.getValue("t"); nextIsString = cellType != null && cellType.equals("s"); inlineStr = cellType != null && cellType.equals("inlineStr"); } // Clear contents cache lastContents = ""; } @Override public void endElement(String uri, String localName, String name) throws SAXException { // Process the last contents as required. // Do now, as characters() may be called more than once if(nextIsString && StringUtil.isNotBlank(lastContents)) { Integer idx = Integer.valueOf(lastContents); lastContents = lruCache.get(idx); if (lastContents == null && !lruCache.containsKey(idx)) { lastContents = sst.getItemAt(idx).getString(); lruCache.put(idx, lastContents); } nextIsString = false; } // v => contents of a cell // Output after we've seen the string contents if(name.equals("v") || (inlineStr && name.equals("c"))) { System.out.println(lastContents); } } @Override public void characters(char[] ch, int start, int length) throws SAXException { // NOSONAR lastContents += new String(ch, start, length); } } public static void main(String[] args) throws Exception { FromHowTo howto = new FromHowTo(); howto.processFirstSheet(args[0]); howto.processAllSheets(args[0]); } }
⏎ org/apache/poi/examples/xssf/eventusermodel/FromHowTo.java
Or download all of them as a single archive file:
File name: poi-examples-5.2.3-src.zip File size: 396538 bytes Release date: 2022-09-09 Download
⇒ Download and Install poi-bin-3.15-20160924.zip
⇐ What Is poi-scratchpad-5.2.3.jar?
2017-03-22, 11620👍, 0💬
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