/*
* $Id: Concat.java,v 1.7 2005/11/29 21:05:02 blowagie Exp $
* $Name: $
*
* Copyright 2005 by Bruno Lowagie.
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (the "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library 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. See the GNU Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.lowagie.tools.plugins;
import java.io.File;
import java.io.FileOutputStream;
import java.util.ArrayList;
import java.util.List;
import javax.swing.JInternalFrame;
import com.lowagie.text.Document;
import com.lowagie.text.pdf.PdfCopy;
import com.lowagie.text.pdf.PdfImportedPage;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.SimpleBookmark;
import com.lowagie.tools.arguments.FileArgument;
import com.lowagie.tools.arguments.PdfFilter;
import com.lowagie.tools.arguments.ToolArgument;
/**
* Concatenates two PDF files
*/
public class Concat extends AbstractTool {
static {
addVersion("$Id: Concat.java,v 1.7 2005/11/29 21:05:02 blowagie Exp $");
}
/**
* Constructs a Concat object.
*/
public Concat() {
menuoptions = MENU_EXECUTE | MENU_EXECUTE_SHOW;
arguments.add(new FileArgument(this, "srcfile1", "The first PDF file", false, new PdfFilter()));
arguments.add(new FileArgument(this, "srcfile2", "The second PDF file", false, new PdfFilter()));
arguments.add(new FileArgument(this, "destfile", "The file to which the concatenated PDF has to be written", true, new PdfFilter()));
}
/**
* @see com.lowagie.tools.plugins.AbstractTool#createFrame()
*/
protected void createFrame() {
internalFrame = new JInternalFrame("Concatenate 2 PDF files", true, false, true);
internalFrame.setSize(300, 80);
internalFrame.setJMenuBar(getMenubar());
System.out.println("=== Concat OPENED ===");
}
/**
* @see com.lowagie.tools.plugins.AbstractTool#execute()
*/
public void execute() {
try {
String[] files = new String[2];
if (getValue("srcfile1") == null) throw new InstantiationException("You need to choose a first sourcefile");
files[0] = ((File)getValue("srcfile1")).getAbsolutePath();
if (getValue("srcfile2") == null) throw new InstantiationException("You need to choose a second sourcefile");
files[1] = ((File)getValue("srcfile2")).getAbsolutePath();
if (getValue("destfile") == null) throw new InstantiationException("You need to choose a destination file");
File pdf_file = (File)getValue("destfile");
int pageOffset = 0;
ArrayList master = new ArrayList();
Document document = null;
PdfCopy writer = null;
for (int i = 0; i < 2; i++) {
// we create a reader for a certain document
PdfReader reader = new PdfReader(files[i]);
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;
System.out.println("There are " + n + " pages in " + files[i]);
if (i == 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(pdf_file));
// step 3: we open the document
document.open();
}
// step 4: we add content
PdfImportedPage page;
for (int p = 0; p < n; ) {
++p;
page = writer.getImportedPage(reader, p);
writer.addPage(page);
System.out.println("Processed page " + p);
}
}
if (master.size() > 0)
writer.setOutlines(master);
// step 5: we close the document
document.close();
}
catch(Exception e) {
e.printStackTrace();
}
}
/**
* @see com.lowagie.tools.plugins.AbstractTool#valueHasChanged(com.lowagie.tools.arguments.ToolArgument)
*/
public void valueHasChanged(ToolArgument arg) {
if (internalFrame == null) {
// if the internal frame is null, the tool was called from the commandline
return;
}
// represent the changes of the argument in the internal frame
}
/**
* Concatenates two PDF files.
* @param args
*/
public static void main(String[] args) {
Concat tool = new Concat();
if (args.length < 2) {
System.err.println(tool.getUsage());
}
tool.setArguments(args);
tool.execute();
}
/**
* @see com.lowagie.tools.plugins.AbstractTool#getDestPathPDF()
*/
protected File getDestPathPDF() throws InstantiationException {
return (File)getValue("destfile");
}
}