org.apache.poi.xssf.usermodel.examples.EmbeddedObjects Maven / Gradle / Ivy

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   this work for additional information regarding copyright ownership.
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package org.apache.poi.xssf.usermodel.examples;

import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.openxml4j.opc.PackagePart;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.hslf.HSLFSlideShow;
import org.apache.poi.hwpf.HWPFDocument;
import org.apache.poi.xslf.XSLFSlideShow;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;

import java.io.InputStream;

/**
 * Demonstrates how you can extract embedded data from a .xlsx file
 */
public class EmbeddedObjects {
    public static void main(String[] args) throws Exception {
        OPCPackage pkg = OPCPackage.open(args[0]);
        XSSFWorkbook workbook = new XSSFWorkbook(pkg);
        for (PackagePart pPart : workbook.getAllEmbedds()) {
            String contentType = pPart.getContentType();
            // Excel Workbook - either binary or OpenXML
            if (contentType.equals("application/vnd.ms-excel")) {
                HSSFWorkbook embeddedWorkbook = new HSSFWorkbook(pPart.getInputStream());
            }
            // Excel Workbook - OpenXML file format
            else if (contentType.equals("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet")) {
                XSSFWorkbook embeddedWorkbook = new XSSFWorkbook(pPart.getInputStream());
            }
            // Word Document - binary (OLE2CDF) file format
            else if (contentType.equals("application/msword")) {
                HWPFDocument document = new HWPFDocument(pPart.getInputStream());
            }
            // Word Document - OpenXML file format
            else if (contentType.equals("application/vnd.openxmlformats-officedocument.wordprocessingml.document")) {
                XWPFDocument document = new XWPFDocument(pPart.getInputStream());
            }
            // PowerPoint Document - binary file format
            else if (contentType.equals("application/vnd.ms-powerpoint")) {
                HSLFSlideShow slideShow = new HSLFSlideShow(pPart.getInputStream());
            }
            // PowerPoint Document - OpenXML file format
            else if (contentType.equals("application/vnd.openxmlformats-officedocument.presentationml.presentation")) {
                OPCPackage docPackage = OPCPackage.open(pPart.getInputStream());
                XSLFSlideShow slideShow = new XSLFSlideShow(docPackage);
            }
            // Any other type of embedded object.
            else {
                System.out.println("Unknown Embedded Document: " + contentType);
                InputStream inputStream = pPart.getInputStream();
            }
        }
        pkg.close();
    }
}