org.apache.padaf.preflight.RetrieveMissingStream.java Source code

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Here is the source code for org.apache.padaf.preflight.RetrieveMissingStream.java

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 * 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
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 * 
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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();
        }
    }
}