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/*
* $Id: Burst.java,v 1.9 2006/08/21 13:32:23 blowagie Exp $
* $Name: $
*
* Copyright 2005 by Bruno Lowagie, based on an example by Mark Thompson
*
* 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) 1999-2006 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000-2006 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 javax.swing.JInternalFrame;
import com.lowagie.text.Document;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfImportedPage;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfWriter;
import com.lowagie.tools.arguments.FileArgument;
import com.lowagie.tools.arguments.LabelAccessory;
import com.lowagie.tools.arguments.PdfFilter;
import com.lowagie.tools.arguments.ToolArgument;
/**
* This tool lets you split a PDF in several separate PDF files (1 per page).
*/
public class Burst extends AbstractTool {
static {
addVersion("$Id: Burst.java,v 1.9 2006/08/21 13:32:23 blowagie Exp $");
}
/**
* Constructs a Burst object.
*/
public Burst() {
FileArgument f = new FileArgument(this, "srcfile", "The file you want to split", false, new PdfFilter());
f.setLabel(new LabelAccessory());
arguments.add(f);
}
/**
* @see com.lowagie.tools.plugins.AbstractTool#createFrame()
*/
protected void createFrame() {
internalFrame = new JInternalFrame("Burst", true, false, true);
internalFrame.setSize(300, 80);
internalFrame.setJMenuBar(getMenubar());
System.out.println("=== Burst OPENED ===");
}
/**
* @see com.lowagie.tools.plugins.AbstractTool#execute()
*/
public void execute() {
try {
if (getValue("srcfile") == null) throw new InstantiationException("You need to choose a sourcefile");
File src = (File)getValue("srcfile");
File directory = src.getParentFile();
String name = src.getName();
name = name.substring(0, name.lastIndexOf("."));
// we create a reader for a certain document
PdfReader reader = new PdfReader(src.getAbsolutePath());
// we retrieve the total number of pages
int n = reader.getNumberOfPages();
int digits = 1 + (n / 10);
System.out.println("There are " + n + " pages in the original file.");
Document document;
int pagenumber;
String filename;
for (int i = 0; i < n; i++) {
pagenumber = i + 1;
filename = String.valueOf(pagenumber);
while (filename.length() < digits) filename = "0" + filename;
filename = "_" + filename + ".pdf";
// step 1: creation of a document-object
document = new Document(reader.getPageSizeWithRotation(pagenumber));
// step 2: we create a writer that listens to the document
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(new File(directory, name + filename)));
// step 3: we open the document
document.open();
PdfContentByte cb = writer.getDirectContent();
PdfImportedPage page = writer.getImportedPage(reader, pagenumber);
int rotation = reader.getPageRotation(pagenumber);
if (rotation == 90 || rotation == 270) {
cb.addTemplate(page, 0, -1f, 1f, 0, 0, reader.getPageSizeWithRotation(pagenumber).height());
}
else {
cb.addTemplate(page, 1f, 0, 0, 1f, 0, 0);
}
// 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
}
/**
* Divide PDF file into pages.
* @param args
*/
public static void main(String[] args) {
Burst tool = new Burst();
if (args.length < 1) {
System.err.println(tool.getUsage());
}
tool.setArguments(args);
tool.execute();
}
/**
* @see com.lowagie.tools.plugins.AbstractTool#getDestPathPDF()
*/
protected File getDestPathPDF() throws InstantiationException {
throw new InstantiationException("There is more than one destfile.");
}
}
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