What Is poi-ooxml-5.2.3.jar?

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/xssf/streaming/OpcOutputStream.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.xssf.streaming;

import org.apache.poi.xssf.streaming.Zip64Impl.Entry;

import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.*;

/**
 * ZIP64 OutputStream implementation compatible with MS Excel.
 * Drop in replacement for `java.util.ZipOutputStream`.
 *
 * For more information see https://github.com/rzymek/opczip
 */
class OpcOutputStream extends DeflaterOutputStream {

    private final Zip64Impl spec;
    private final List<Entry> entries = new ArrayList<>();
    private final CRC32 crc = new CRC32();
    private Entry current;
    private int written = 0;
    private boolean finished = false;

    /**
     * Creates ZIP64 output stream
     *
     * @param out target stream to write compressed data to
     */
    public OpcOutputStream(OutputStream out) {
        super(out, new Deflater(Deflater.DEFAULT_COMPRESSION, true));
        this.spec = new Zip64Impl(out);
    }

    /**
     * @see Deflater#setLevel(int)
     */
    public void setLevel(int level) {
        super.def.setLevel(level);
    }

    /**
     * @see ZipOutputStream#putNextEntry(ZipEntry)
     */
    public void putNextEntry(String name) throws IOException {
        if (current != null) {
            closeEntry();
        }
        current = new Entry(name);
        current.offset = written;
        written += spec.writeLFH(current);
        entries.add(current);
    }

    /**
     * @see ZipOutputStream#closeEntry()
     */
    public void closeEntry() throws IOException {
        if (current == null) {
            throw new IllegalStateException("not current zip current");
        }
        def.finish();
        while (!def.finished()) {
            deflate();
        }

        current.size = def.getBytesRead();
        current.compressedSize = Math.toIntExact(def.getBytesWritten());
        current.crc = crc.getValue();

        written += current.compressedSize;
        written += spec.writeDAT(current);
        current = null;
        def.reset();
        crc.reset();
    }


    /**
     * @see ZipOutputStream#finish()
     */
    @Override
    public void finish() throws IOException {
        if(finished){
            return;
        }
        if(current != null) {
            closeEntry();
        }
        int offset = written;
        for (Entry entry : entries) {
            written += spec.writeCEN(entry);
        }
        written += spec.writeEND(entries.size(), offset, written - offset);
        finished = true;
    }

    /**
     * @see ZipOutputStream#write(byte[], int, int)
     */
    @Override
    public synchronized void write(byte[] b, int off, int len) throws IOException {
        if (off < 0 || len < 0 || off > b.length - len) {
            throw new IndexOutOfBoundsException();
        } else if (len == 0) {
            return;
        }
        super.write(b, off, len);
        crc.update(b, off, len);
    }

    /**
     * @see ZipOutputStream#close()
     */
    @Override
    public void close() throws IOException {
        finish();
        out.close();
    }
}

⏎ org/apache/poi/xssf/streaming/OpcOutputStream.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
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