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This sample removes the Collection dictionary from a PDF Portfolio making it a regular PDF file with attachments.
/*
* Copyright Datalogics, Inc. 2015
*/
package pdfjt.cookbook.document;
import com.adobe.internal.io.ByteReader;
import com.adobe.internal.io.InputStreamByteReader;
import com.adobe.pdfjt.core.types.ASName;
import com.adobe.pdfjt.pdf.document.PDFCatalog;
import com.adobe.pdfjt.pdf.document.PDFDocument;
import com.adobe.pdfjt.pdf.document.PDFFileSpecification;
import com.adobe.pdfjt.pdf.document.PDFNameDictionary;
import com.adobe.pdfjt.pdf.document.PDFNamedEmbeddedFiles;
import com.adobe.pdfjt.pdf.document.PDFOpenOptions;
import com.adobe.pdfjt.pdf.interactive.navigation.collection.PDFCollectionItem;
import com.adobe.pdfjt.pdf.interactive.navigation.collection.PDFCollectionItemData;
import com.adobe.pdfjt.pdf.interactive.navigation.collection.PDFCollectionSubItem;
import com.adobe.pdfjt.pdf.page.PDFPageMode;
import com.adobe.pdfjt.services.manipulations.PMMService;
import com.datalogics.pdf.document.DocumentHelper;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.Iterator;
/**
* This sample removes the Collection dictionary from a PDF Portfolio making it a regular PDF file with attachments.
*/
public class UnPortfolio {
private static final String inputPDFURL = "http://dev.datalogics.com/cookbook/portfolios/portfolio-sample.pdf";
private static final String coverPDFURL = "http://dev.datalogics.com/cookbook/portfolios/DL_coversheet.pdf";
private static final String outputDir = "cookbook/Document/output/";
static public void main(String[] args) throws Exception {
// First read in the two PDF files we need. The Portfolio source and
// then the new cover sheet. The cover sheet will be the file that
// displayed when the PDF is opened.
URLConnection connection = new URL(inputPDFURL).openConnection();
connection.setRequestProperty("User-Agent",
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.95 Safari/537.11");
connection.connect();
InputStream fis = connection.getInputStream();
ByteReader byteReader = new InputStreamByteReader(fis);
PDFDocument pdfDocument = PDFDocument.newInstance(byteReader, PDFOpenOptions.newInstance());
connection = new URL(coverPDFURL).openConnection();
connection.setRequestProperty("User-Agent",
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.95 Safari/537.11");
connection.connect();
fis = connection.getInputStream();
ByteReader coverSheetByteReader = new InputStreamByteReader(fis);
PDFDocument coverSheetDocument = PDFDocument.newInstance(coverSheetByteReader, PDFOpenOptions.newInstance());
// Get the PDF Catalog
PDFCatalog pdfCatalog = pdfDocument.requireCatalog();
if (pdfCatalog.getCollection() != null) {
// If the Collection dictionary is present, remove it.
pdfCatalog.removeValue(ASName.k_Collection);
// Set the Page Mode to display the attachments panel if the viewer
// supports it.
pdfCatalog.setPageMode(PDFPageMode.WithAttachments);
// Insert the new cover sheet then delete the original
PMMService pmmService = new PMMService(pdfDocument);
pmmService.appendPages(coverSheetDocument, null, null);
pmmService.deletePages(pdfDocument.requirePages().getPage(0), 1);
/*
* This section of the code is optional. The PDF Portfolio templates
* that come with Adobe Acrobat contain a "Summary" field that is
* generally used to enter a description of the file attachment. In
* this section we copy that data to the Description metadata field
* for the attachment so it can be seen in the Acrobat Attachments
* panel.
*/
PDFNameDictionary pdfNameDictionary = pdfCatalog.getNameDictionary();
PDFNamedEmbeddedFiles pdfNamedEmbeddedFiles = pdfNameDictionary.getNamedEmbeddedFiles();
Iterator pdfNamedEmbeddedFilesIterator = pdfNamedEmbeddedFiles.iterator();
while (pdfNamedEmbeddedFilesIterator.hasNext()) {
PDFNamedEmbeddedFiles.Entry curEntry = (PDFNamedEmbeddedFiles.Entry) pdfNamedEmbeddedFilesIterator.next();
PDFFileSpecification pdfFileSpecification = curEntry.getValue();
// Get the Collection Item (CI) dictionary
PDFCollectionItem pdfCollectionItem = pdfFileSpecification.getCollectionItem();
String description;
if (pdfCollectionItem != null) {
/*
* Get the data or string in the Summary field. It could be
* a string or a dictionary that contains the pure string
* and a rich text representation.
*/
PDFCollectionSubItem summaryItem = pdfCollectionItem.getSubItem(ASName.create("adobe:Summary"));
PDFCollectionItemData summaryItemData = summaryItem.getData();
if (summaryItemData.isText() == false) {
description = summaryItem.getDictionaryTextStringOrStreamValue(ASName.k_D);
} else {
description = summaryItem.toString();
}
// Set the description
pdfFileSpecification.setDescription(description);
// Remove the Collection Information since it will no longer be used.
pdfFileSpecification.setCollectionItem(null);
}
}
}
// Save and close
DocumentHelper.saveFullAndClose(pdfDocument, outputDir + "Not_A_Portfolio.pdf");
// Save the file.
System.out.println("Done!");
}
}
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