Java tutorial
/* * 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 'JSignPdf, a free application for PDF signing'. * * The Initial Developer of the Original Code is Josef Cacek. * Portions created by Josef Cacek are Copyright (C) Josef Cacek. All Rights Reserved. * * Contributor(s): Josef Cacek. * * Alternatively, the contents of this file may be used under the terms * of the GNU Lesser General Public License, version 2.1 (the "LGPL License"), in which case the * provisions of LGPL License 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 License. If you do not delete * the provisions above, a recipient may use your version of this file * under either the MPL or the LGPL License. */ package net.sf.jsignpdf; import java.io.FileOutputStream; import java.io.IOException; import com.lowagie.text.Document; import com.lowagie.text.DocumentException; import com.lowagie.text.pdf.PdfReader; import com.lowagie.text.pdf.PdfStamper; /** * Simple small programm to uncompress PDFs. * * @author Josef Cacek */ public class UncompressPdf { /** * The main 'main'. * * @param args */ public static void main(String[] args) { if (args == null || args.length == 0) { System.out.println("Usage:\njava " + UncompressPdf.class.getName() + " file.pdf [file2.pdf [...]]"); return; } Document.compress = false; for (String tmpFile : args) { String newFileName = null; if (tmpFile.toLowerCase().endsWith(".pdf")) { newFileName = tmpFile.substring(0, tmpFile.length() - 4) + "_uncompressed.pdf"; } else { newFileName = tmpFile + "_uncompressed.pdf"; } System.out.println("Uncompressing " + tmpFile + " to " + newFileName); try { PdfReader reader = new PdfReader(tmpFile); PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(newFileName), '\0'); int total = reader.getNumberOfPages() + 1; for (int i = 1; i < total; i++) { reader.setPageContent(i, reader.getPageContent(i)); } stamper.close(); } catch (NullPointerException npe) { npe.printStackTrace(); } catch (DocumentException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } } }