What Is poi-scratchpad-5.2.3.jar?

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/hemf/record/emf/HemfRecordIterator.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.hemf.record.emf;

import java.io.IOException;
import java.util.Iterator;
import java.util.NoSuchElementException;

import org.apache.poi.util.LittleEndianConsts;
import org.apache.poi.util.LittleEndianInputStream;
import org.apache.poi.util.RecordFormatException;

public class HemfRecordIterator implements Iterator<HemfRecord> {

    static final int HEADER_SIZE = 2*LittleEndianConsts.INT_SIZE;

    private final LittleEndianInputStream stream;
    private HemfRecord currentRecord;

    public HemfRecordIterator(LittleEndianInputStream leis) {
        stream = leis;
        //queue the first non-header record
        currentRecord = _next();
    }

    @Override
    public boolean hasNext() {
        return currentRecord != null;
    }

    @Override
    public HemfRecord next() {
        if (!hasNext()) {
            throw new NoSuchElementException();
        }
        HemfRecord toReturn = currentRecord;
        currentRecord = (currentRecord instanceof HemfMisc.EmfEof) ? null : _next();
        return toReturn;
    }

    private HemfRecord _next() {
        if (currentRecord != null && HemfRecordType.eof == currentRecord.getEmfRecordType()) {
            return null;
        }

        final int readIndex = stream.getReadIndex();

        final long recordId, recordSize;
        try {
            recordId = stream.readUInt();
            recordSize = stream.readUInt();
        } catch (RuntimeException e) {
            // EOF
            return null;
        }

        HemfRecordType type = HemfRecordType.getById(recordId);
        if (type == null) {
            throw new RecordFormatException("Undefined record of type: "+recordId+" at "+Integer.toHexString(readIndex));
        }
        final HemfRecord record = type.constructor.get();

        try {
            long remBytes = recordSize - HEADER_SIZE;
            long readBytes = record.init(stream, remBytes, recordId);
            if (readBytes > remBytes) {
                throw new RecordFormatException("Record limit exceeded - readBytes: "+readBytes+" / remBytes: "+remBytes);
            }
            stream.skipFully((int) (remBytes - readBytes));
        } catch (RecordFormatException e) {
            throw e;
        } catch (IOException|RuntimeException e) {
            throw new RecordFormatException(e);
        }

        return record;
    }

    @Override
    public void remove() {
        throw new UnsupportedOperationException("Remove not supported");
    }

}

⏎ org/apache/poi/hemf/record/emf/HemfRecordIterator.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 

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