What Is poi-5.2.3.jar?

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/sl/usermodel/ObjectData.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.sl.usermodel;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.poi.poifs.filesystem.DirectoryEntry;
import org.apache.poi.poifs.filesystem.FileMagic;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.util.IOUtils;

/**
 * Common interface for OLE shapes, i.e. shapes linked to embedded documents
 * 
 * @since POI 4.0.0
 */
public interface ObjectData {
    
    /**
     * Gets an input stream which returns the binary of the embedded data.
     *
     * @return the input stream which will contain the binary of the embedded data.
     */
    InputStream getInputStream() throws IOException;

    
    /**
     * @return the object data as stream (for writing)
     */
    OutputStream getOutputStream() throws IOException;
    
    /**
     * Convenience method to get the embedded data as byte array.
     *
     * @return the embedded data.
     */
    default byte[] getBytes() throws IOException {
        try (InputStream is = getInputStream()) {
            return IOUtils.toByteArray(is);
        }
    }
    
    /**
     * @return does this ObjectData have an associated POIFS Directory Entry?
     * (Not all do, those that don't have a data portion)
     */
    default boolean hasDirectoryEntry() {
        try (final InputStream is = FileMagic.prepareToCheckMagic(getInputStream())) {
            FileMagic fm = FileMagic.valueOf(is);
            return fm == FileMagic.OLE2;
        } catch (IOException e) {
            Logger LOG = LogManager.getLogger(ObjectData.class);
            LOG.atWarn().withThrowable(e).log("Can't determine filemagic of ole stream");
            return false;
        }
    }

    /**
     * Gets the object data. Only call for ones that have
     * data though. See {@link #hasDirectoryEntry()}.
     * The caller has to close the corresponding POIFSFileSystem
     *
     * @return the object data as an OLE2 directory.
     * @throws IOException if there was an error reading the data.
     */
    @SuppressWarnings("resource")
    default DirectoryEntry getDirectory() throws IOException {
        try (final InputStream is = getInputStream()) {
            return new POIFSFileSystem(is).getRoot();
        }
    }

    /**
     * @return the OLE2 Class Name of the object
     */
    String getOLE2ClassName();

    /**
     * @return a filename suggestion - inspecting/interpreting the Directory object probably gives a better result
     */
    String getFileName();

}

⏎ org/apache/poi/sl/usermodel/ObjectData.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 

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