69 lines
3.5 KiB
Java
69 lines
3.5 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.hssf.usermodel.examples;
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import org.apache.poi.hssf.usermodel.*;
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import org.apache.poi.poifs.filesystem.DirectoryNode;
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import org.apache.poi.poifs.filesystem.Entry;
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import org.apache.poi.poifs.filesystem.POIFSFileSystem;
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import org.apache.poi.hwpf.HWPFDocument;
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import org.apache.poi.hslf.HSLFSlideShow;
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import org.apache.poi.hslf.usermodel.SlideShow;
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import java.io.FileInputStream;
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import java.util.Iterator;
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/**
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* Demonstrates how you can extract embedded data from a .xls file
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*/
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public class EmeddedObjects {
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public static void main(String[] args) throws Exception {
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POIFSFileSystem fs = new POIFSFileSystem(new FileInputStream(args[0]));
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HSSFWorkbook workbook = new HSSFWorkbook(fs);
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for (HSSFObjectData obj : workbook.getAllEmbeddedObjects()) {
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//the OLE2 Class Name of the object
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String oleName = obj.getOLE2ClassName();
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if (oleName.equals("Worksheet")) {
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DirectoryNode dn = (DirectoryNode) obj.getDirectory();
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HSSFWorkbook embeddedWorkbook = new HSSFWorkbook(dn, fs, false);
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//System.out.println(entry.getName() + ": " + embeddedWorkbook.getNumberOfSheets());
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} else if (oleName.equals("Document")) {
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DirectoryNode dn = (DirectoryNode) obj.getDirectory();
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HWPFDocument embeddedWordDocument = new HWPFDocument(dn, fs);
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//System.out.println(entry.getName() + ": " + embeddedWordDocument.getRange().text());
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} else if (oleName.equals("Presentation")) {
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DirectoryNode dn = (DirectoryNode) obj.getDirectory();
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SlideShow embeddedPowerPointDocument = new SlideShow(new HSLFSlideShow(dn, fs));
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//System.out.println(entry.getName() + ": " + embeddedPowerPointDocument.getSlides().length);
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} else {
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if(obj.hasDirectoryEntry()){
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// The DirectoryEntry is a DocumentNode. Examine its entries to find out what it is
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DirectoryNode dn = (DirectoryNode) obj.getDirectory();
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for (Iterator entries = dn.getEntries(); entries.hasNext();) {
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Entry entry = (Entry) entries.next();
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//System.out.println(oleName + "." + entry.getName());
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}
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} else {
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// There is no DirectoryEntry
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// Recover the object's data from the HSSFObjectData instance.
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byte[] objectData = obj.getObjectData();
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}
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}
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}
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}
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}
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