Package org.openxml4j.samples.opc

Source Code of org.openxml4j.samples.opc.ListingExtractDocumentExtendedProperties

/*
* Copyright (c) 2006, Wygwam
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
* - Neither the name of Wygwam nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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*/

package org.openxml4j.samples.opc;

import java.io.InputStream;

import org.dom4j.Document;
import org.dom4j.io.SAXReader;
import org.openxml4j.opc.Package;
import org.openxml4j.opc.PackageAccess;
import org.openxml4j.opc.PackagePart;
import org.openxml4j.opc.PackageRelationship;
import org.openxml4j.opc.PackageRelationshipTypes;
import org.openxml4j.samples.DemoCore;

/**
* Read extended properties from an OPC document.
*
* @author Julien Chable, CDubet
* @version 1.0
*/
public class ListingExtractDocumentExtendedProperties {

  public static void main(String[] args) {
    DemoCore demoCore = new DemoCore();

    // Open the package
    Package p;
    try {
      p = Package.open(demoCore.getTestRootPath() + "sample.docx",
          PackageAccess.READ);

      // Retrieves extended properties part relationship
      PackageRelationship extendedPropertiesRelationship = p
          .getRelationshipsByType(
              PackageRelationshipTypes.EXTENDED_PROPERTIES)
          .getRelationship(0);

      // Retrieves extended properties part
      PackagePart extPropsPart = p
          .getPart(extendedPropertiesRelationship);
      System.out.println(extPropsPart.getPartName() + " -> "
          + extPropsPart.getContentType());

      // Get the input stream from the extended properties part
      InputStream inStream = extPropsPart.getInputStream();

      // Parse the XML content
      SAXReader xmlReader = new SAXReader();
      Document extPropsDoc = xmlReader.read(inStream);

      // Print some values
      System.out.println("Document generated with "
          + extPropsDoc.getRootElement().element("Application")
              .getStringValue()
          + " version "
          + extPropsDoc.getRootElement().element("AppVersion")
              .getStringValue());

      // Print more values
      System.out.println("The document have "
          + extPropsDoc.getRootElement().element("Words")
              .getStringValue()
          + " words  "
          + extPropsDoc.getRootElement().element("Characters")
              .getStringValue()
          + " charaters, and "
          + extPropsDoc.getRootElement().element("Lines")
              .getStringValue() + " lines");

      inStream.close();
    } catch (Exception ioe) {
      System.err
          .println("Fail to extract application properties of the document ! :(");
    }
  }
}
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