org.apache.poi.examples.xssf.usermodel.EmbeddedObjects Maven / Gradle / Ivy
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package org.apache.poi.examples.xssf.usermodel;
import java.io.Closeable;
import java.io.InputStream;
import org.apache.poi.hslf.usermodel.HSLFSlideShow;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.hwpf.HWPFDocument;
import org.apache.poi.openxml4j.opc.PackagePart;
import org.apache.poi.xslf.usermodel.XMLSlideShow;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
/**
* Demonstrates how you can extract embedded data from a .xlsx file
*/
public class EmbeddedObjects {
public static void main(String[] args) throws Exception {
try (XSSFWorkbook workbook = new XSSFWorkbook(args[0])) {
for (PackagePart pPart : workbook.getAllEmbeddedParts()) {
String contentType = pPart.getContentType();
try (InputStream is = pPart.getInputStream()) {
Closeable document;
switch (contentType) {
case "application/vnd.ms-excel":
// Excel Workbook - either binary or OpenXML
document = new HSSFWorkbook(is);
break;
case "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet":
// Excel Workbook - OpenXML file format
document = new XSSFWorkbook(is);
break;
case "application/msword":
// Word Document - binary (OLE2CDF) file format
document = new HWPFDocument(is);
break;
case "application/vnd.openxmlformats-officedocument.wordprocessingml.document":
// Word Document - OpenXML file format
document = new XWPFDocument(is);
break;
case "application/vnd.ms-powerpoint":
// PowerPoint Document - binary file format
document = new HSLFSlideShow(is);
break;
case "application/vnd.openxmlformats-officedocument.presentationml.presentation":
// PowerPoint Document - OpenXML file format
document = new XMLSlideShow(is);
break;
default:
// Any other type of embedded object.
document = is;
break;
}
document.close();
}
}
}
}
}