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What Is poi-ooxml-5.2.3.jar?
What Is poi-ooxml-5.2.3.jar?
✍: FYIcenter.com
poi-ooxml-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-ooxml-5.2.3.jar supports Apache POI components that read and write Microsoft's Open Office XML document format, which is used in recent versions of Microsoft Office tools like Word 2007, Excel 2007, PowerPoint 2007, etc.
poi-ooxml-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-ooxml-5.2.3.jar Target JDK version: 9 Dependency: poi.jar xmlbeans.jar ooxml-schemas.jar commons-collections.jar junit.jar File name: poi-ooxml.jar, poi-ooxml-5.2.3.jar File size: 2010497 bytes Release date: 09-09-2022 Download: Apache POI Website
Here are Java Source Code files for poi-ooxml-5.2.3.jar:
⏎ org/apache/poi/poifs/crypt/temp/EncryptedTempData.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.poifs.crypt.temp; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import javax.crypto.Cipher; import javax.crypto.CipherInputStream; import javax.crypto.CipherOutputStream; import javax.crypto.spec.SecretKeySpec; import org.apache.commons.io.output.CountingOutputStream; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import org.apache.poi.poifs.crypt.ChainingMode; import org.apache.poi.poifs.crypt.CipherAlgorithm; import org.apache.poi.poifs.crypt.CryptoFunctions; import org.apache.poi.util.Beta; import org.apache.poi.util.RandomSingleton; import org.apache.poi.util.TempFile; /** * EncryptedTempData can be used to buffer binary data in a secure way, by using encrypted temp files. */ @Beta public class EncryptedTempData { private static final Logger LOG = LogManager.getLogger(EncryptedTempData.class); private static final CipherAlgorithm cipherAlgorithm = CipherAlgorithm.aes128; private static final String PADDING = "PKCS5Padding"; private final SecretKeySpec skeySpec; private final byte[] ivBytes; private final File tempFile; private CountingOutputStream outputStream; public EncryptedTempData() throws IOException { ivBytes = new byte[16]; byte[] keyBytes = new byte[16]; RandomSingleton.getInstance().nextBytes(ivBytes); RandomSingleton.getInstance().nextBytes(keyBytes); skeySpec = new SecretKeySpec(keyBytes, cipherAlgorithm.jceId); tempFile = TempFile.createTempFile("poi-temp-data", ".tmp"); } /** * Returns the output stream for writing the data.<p> * Make sure to close it, otherwise the last cipher block is not written completely. * * @return the outputstream * @throws IOException if the writing to the underlying file fails */ public OutputStream getOutputStream() throws IOException { Cipher ciEnc = CryptoFunctions.getCipher(skeySpec, cipherAlgorithm, ChainingMode.cbc, ivBytes, Cipher.ENCRYPT_MODE, PADDING); outputStream = new CountingOutputStream(new CipherOutputStream(new FileOutputStream(tempFile), ciEnc)); return outputStream; } /** * Returns the input stream for reading the previously written encrypted data * * @return the inputstream * @throws IOException if the reading of the underlying file fails */ public InputStream getInputStream() throws IOException { Cipher ciDec = CryptoFunctions.getCipher(skeySpec, cipherAlgorithm, ChainingMode.cbc, ivBytes, Cipher.DECRYPT_MODE, PADDING); return new CipherInputStream(new FileInputStream(tempFile), ciDec); } /** * @return number of bytes stored in the temp data file (the number you should expect after you decrypt the data) */ public long getByteCount() { return outputStream == null ? 0 : outputStream.getByteCount(); } /** * Removes the temporarily backing file */ public void dispose() { if (!tempFile.delete()) { LOG.atWarn().log("{} can't be removed (or was already removed).", tempFile::getAbsolutePath); } } }
⏎ org/apache/poi/poifs/crypt/temp/EncryptedTempData.java
Or download all of them as a single archive file:
File name: poi-ooxml-5.2.3-src.zip File size: 1396572 bytes Release date: 2022-09-09 Download
⇒ What Is poi-excelant-5.2.3.jar?
2017-04-01, 68881👍, 0💬
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