org.apache.poi.xssf.usermodel.examples.EmbeddedObjects Maven / Gradle / Ivy
/* ====================================================================
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.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.xslf.usermodel.XSLFSlideShow;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.hslf.usermodel.HSLFSlideShowImpl;
import org.apache.poi.hwpf.HWPFDocument;
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")) {
HSLFSlideShowImpl slideShow = new HSLFSlideShowImpl(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();
}
}