Package org.apache.padaf.preflight

Source Code of org.apache.padaf.preflight.RetrieveMissingStream

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* 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
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package org.apache.padaf.preflight;

import java.io.FileInputStream;
import java.util.HashSet;
import java.util.List;

import org.apache.pdfbox.cos.COSBase;
import org.apache.pdfbox.cos.COSName;
import org.apache.pdfbox.cos.COSObject;
import org.apache.pdfbox.cos.COSStream;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDDocumentCatalog;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.common.PDStream;
import org.apache.pdfbox.persistence.util.COSObjectKey;

public class RetrieveMissingStream {
  public static void main(String[] args) throws Exception {
    if (args.length != 1) {
      System.err.println("usage : RetrieveMissingStream file");
      System.exit(233);
    }

    HashSet<COSObjectKey> listOfKeys = new HashSet<COSObjectKey>();
   
    PDDocument document = PDDocument.load(new FileInputStream(args[0]));
    List<COSObject> lCosObj = document.getDocument().getObjects();
    for (COSObject cosObject : lCosObj) {

      if (cosObject.getObject() instanceof COSStream) {
        listOfKeys.add(new COSObjectKey(cosObject.getObjectNumber().intValue(),
                                        cosObject.getGenerationNumber().intValue()));
      }

    }
   
    PDDocumentCatalog catalog = document.getDocumentCatalog();
    List<?> pages = catalog.getAllPages();
    for (int i = 0; i < pages.size(); ++i) {
      PDPage pdp = (PDPage) pages.get(i);
      PDStream pdStream = pdp.getContents();
      COSBase b = pdp.getCOSDictionary().getItem(COSName.getPDFName("Contents"));
      System.out.println();
    }
  }
}
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