/*
* $Id$
*
* This code is free software. It may only be copied or modified
* if you include the following copyright notice:
*
* This class by Mark Thompson. Copyright (c) 2002 Mark Thompson.
*
* This code is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
/**
* This class demonstrates copying a PDF file using iText.
* @author Mark Thompson
*/
package com.lowagie.examples.general.copystamp;
import java.io.FileOutputStream;
import java.util.ArrayList;
import java.util.List;
import com.lowagie.text.Document;
import com.lowagie.text.pdf.PRAcroForm;
import com.lowagie.text.pdf.PdfCopy;
import com.lowagie.text.pdf.PdfImportedPage;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.SimpleBookmark;
/**
* Tool that can be used to concatenate existing PDF files.
*/
public class Concatenate {
/**
* This class can be used to concatenate existing PDF files.
* (This was an example known as PdfCopy.java)
* @param args the command line arguments
*/
public static void main(String args[]) {
if (args.length < 2) {
System.err.println("arguments: file1 [file2 ...] destfile");
}
else {
System.out.println("PdfCopy example");
try {
int pageOffset = 0;
ArrayList master = new ArrayList();
int f = 0;
String outFile = args[args.length-1];
Document document = null;
PdfCopy writer = null;
while (f < args.length-1) {
// we create a reader for a certain document
PdfReader reader = new PdfReader(args[f]);
reader.consolidateNamedDestinations();
// we retrieve the total number of pages
int n = reader.getNumberOfPages();
List bookmarks = SimpleBookmark.getBookmark(reader);
if (bookmarks != null) {
if (pageOffset != 0)
SimpleBookmark.shiftPageNumbers(bookmarks, pageOffset, null);
master.addAll(bookmarks);
}
pageOffset += n;
if (f == 0) {
// step 1: creation of a document-object
document = new Document(reader.getPageSizeWithRotation(1));
// step 2: we create a writer that listens to the document
writer = new PdfCopy(document, new FileOutputStream(outFile));
// step 3: we open the document
document.open();
}
// step 4: we add content
PdfImportedPage page;
for (int i = 0; i < n; ) {
++i;
page = writer.getImportedPage(reader, i);
writer.addPage(page);
}
PRAcroForm form = reader.getAcroForm();
if (form != null)
writer.copyAcroForm(reader);
f++;
}
if (!master.isEmpty())
writer.setOutlines(master);
// step 5: we close the document
document.close();
}
catch(Exception e) {
e.printStackTrace();
}
}
}
}