Example usage for com.itextpdf.text.pdf PdfReader PdfReader

List of usage examples for com.itextpdf.text.pdf PdfReader PdfReader

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Introduction

In this page you can find the example usage for com.itextpdf.text.pdf PdfReader PdfReader.

Prototype

public PdfReader(final PdfReader reader)

Source Link

Document

Creates an independent duplicate.

Usage

From source file:org.dihedron.crypto.operations.verify.pdf.PDFVerifier.java

License:Open Source License

@Override
public boolean verify(byte[] signed, byte[] data) throws CryptoException {
    boolean verified = false;
    try {//from  w  w  w  .j a  v  a 2s. co  m
        PdfReader reader = new PdfReader(signed);
        AcroFields af = reader.getAcroFields();
        ArrayList<String> names = af.getSignatureNames();
        for (String name : names) {
            logger.debug("signature name: {}", name);
            logger.debug("signature covers whole document: {}", af.signatureCoversWholeDocument(name));
            logger.debug("document revision: {} of {}", af.getRevision(name), af.getTotalRevisions());
            PdfPKCS7 pk = af.verifySignature(name);
            Calendar cal = pk.getSignDate();
            Certificate[] pkc = pk.getCertificates();
            logger.debug("subject: {}", PdfPKCS7.getSubjectFields(pk.getSigningCertificate()));
            logger.debug("revision modified: {}", !pk.verify());
            Object fails[] = PdfPKCS7.verifyCertificates(pkc, keyring.getKeyStore(), null, cal);
            if (fails == null) {
                logger.debug("certificates verified against the KeyStoreHelper");
                verified = true;
            } else {
                logger.warn("certificate failed: {}", fails[1]);
                verified = false;
            }
        }
    } catch (IOException e) {
        throw new CryptoException("I/O exception while verifying the signature", e);
    } catch (SignatureException e) {
        throw new CryptoException("Signature exception while verifying the signature", e);
    }
    return verified;
}

From source file:org.dspace.disseminate.CitationDocument.java

/**
 * Creates a/*from w ww  .ja va 2 s  . c om*/
 * cited document from the given bitstream of the given item. This
 * requires that bitstream is contained in item.
 * <p>
 * The Process for adding a cover page is as follows:
 * <ol>
 *  <li> Load source file into PdfReader and create a
 *     Document to put our cover page into.</li>
 *  <li> Create cover page and add content to it.</li>
 *  <li> Concatenate the coverpage and the source
 *     document.</li>
 * </p>
 *
 * @param bitstream The source bitstream being cited. This must be a PDF.
 * @param cMeta The citation information used to generate the coverpage.
 * @return The temporary File that is the finished, cited document.
 * @throws com.itextpdf.text.DocumentException
 * @throws java.io.FileNotFoundException
 * @throws SQLException
 * @throws org.dspace.authorize.AuthorizeException
 */
private File makeCitedDocument(Bitstream bitstream, CitationMeta cMeta)
        throws DocumentException, IOException, SQLException, AuthorizeException {
    //Read the source bitstream
    PdfReader source = new PdfReader(bitstream.retrieve());

    Document citedDoc = new Document(PageSize.LETTER);

    File coverTemp = File.createTempFile(bitstream.getName(), ".cover.pdf");

    //Need a writer instance to make changed to the document.
    PdfWriter writer = PdfWriter.getInstance(citedDoc, new FileOutputStream(coverTemp));

    //Call helper function to add content to the coverpage.
    this.generateCoverPage(citedDoc, writer, cMeta);

    //Create reader from finished cover page.
    PdfReader cover = new PdfReader(new FileInputStream(coverTemp));

    //Get page labels from source document
    String[] labels = PdfPageLabels.getPageLabels(source);

    //Concatenate the finished cover page with the source document.
    File citedTemp = File.createTempFile(bitstream.getName(), ".cited.pdf");
    OutputStream citedOut = new FileOutputStream(citedTemp);
    PdfConcatenate concat = new PdfConcatenate(citedOut);
    concat.open();

    //Is the citation-page the first page or last-page?
    if (isCitationFirstPage()) {
        //citation as cover page
        concat.addPages(cover);
        concat.addPages(source);
    } else {
        //citation as tail page
        concat.addPages(source);
        concat.addPages(cover);
    }

    //Put all of our labels in from the orignal document.
    if (labels != null) {
        PdfPageLabels citedPageLabels = new PdfPageLabels();
        log.debug("Printing arbitrary page labels.");

        for (int i = 0; i < labels.length; i++) {
            citedPageLabels.addPageLabel(i + 1, PdfPageLabels.EMPTY, labels[i]);
            log.debug("Label for page: " + (i + 1) + " -> " + labels[i]);
        }
        citedPageLabels.addPageLabel(labels.length + 1, PdfPageLabels.EMPTY, "Citation Page");
        concat.getWriter().setPageLabels(citedPageLabels);
    }

    //Close it up
    concat.close();

    //Close the cover-page
    writer.close();
    coverTemp.delete();

    citedTemp.deleteOnExit();
    return citedTemp;
}

From source file:org.dspace.disseminate.CitationDocument.java

/**
 * Attempts to add a Logo to the document from the given resource. Returns
 * true on success and false on failure.
 *
 * @param doc The document to add the logo to. (Added to the top right
 * corner of the first page./*from   w  w  w  .  j a va  2 s  . c o  m*/
 * @param writer The writer associated with the given Document.
 * @param res The resource/path to the logo file. This file can be any of
 * the following formats:
 *  GIF, PNG, JPEG, PDF
 *
 * @return Succesfully added logo to document.
 */
private boolean addLogoToDocument(Document doc, PdfWriter writer, String res) {
    boolean ret = false;
    try {
        //First we try to get the logo as if it is a Java Resource
        URL logoURL = this.getClass().getResource(res);
        log.debug(res + " -> " + logoURL.toString());
        if (logoURL == null) {
            logoURL = new URL(res);
        }

        if (logoURL != null) {
            String mtype = URLConnection.guessContentTypeFromStream(logoURL.openStream());
            if (mtype == null) {
                mtype = URLConnection.guessContentTypeFromName(res);
            }
            log.debug("Determined MIMETYPE of logo: " + mtype);
            if (PDF_MIMES.contains(mtype)) {
                //Handle pdf logos.
                PdfReader reader = new PdfReader(logoURL);
                PdfImportedPage logoPage = writer.getImportedPage(reader, 1);
                Image logo = Image.getInstance(logoPage);
                float x = doc.getPageSize().getWidth() - doc.rightMargin() - logo.getScaledWidth();
                float y = doc.getPageSize().getHeight() - doc.topMargin() - logo.getScaledHeight();
                logo.setAbsolutePosition(x, y);
                doc.add(logo);
                ret = true;
            } else if (RASTER_MIMES.contains(mtype)) {
                //Use iText's Image class
                Image logo = Image.getInstance(logoURL);

                //Determine the position of the logo (upper-right corner) and
                //place it there.
                float x = doc.getPageSize().getWidth() - doc.rightMargin() - logo.getScaledWidth();
                float y = doc.getPageSize().getHeight() - doc.topMargin() - logo.getScaledHeight();
                logo.setAbsolutePosition(x, y);
                writer.getDirectContent().addImage(logo);
                ret = true;
            } else if (SVG_MIMES.contains(mtype)) {
                //Handle SVG Logos
                log.error("SVG Logos are not supported yet.");
            } else {
                //Cannot use other mimetypes
                log.debug("Logo MIMETYPE is not supported.");
            }
        } else {
            log.debug("Could not create URL to Logo resource: " + res);
        }
    } catch (Exception e) {
        log.error("Could not add logo (" + res + ") to cited document: " + e.getMessage());
        ret = false;
    }
    return ret;
}

From source file:org.ednovo.gooru.domain.service.resource.ResourceServiceImpl.java

License:Open Source License

private static List<String> splitToChaptersAndSaveFiles(String newLocalUrl) {
    try {//from  w  w w  . j  ava2  s  . co  m

        HashMap<Integer, String> chapters = new HashMap<Integer, String>();
        ArrayList<Integer> pages = new ArrayList<Integer>();

        /** Call the split method with filename and page size as params **/
        PdfReader reader = new PdfReader(newLocalUrl);
        reader.consolidateNamedDestinations();
        List<HashMap<String, Object>> list = SimpleBookmark.getBookmark(reader);

        for (HashMap<String, Object> test : list) {
            String page = test.get(PAGE).toString();
            Integer num = Integer.parseInt(page.substring(0, page.indexOf(' ')));
            chapters.put(num, (String) test.get(_TITLE));
            pages.add(num);
        }

        int index = 1;
        List<String> chaptersUrls = new ArrayList<String>();
        for (Integer i : pages) {
            String chapterUrl = null;
            if (pages.size() != index) {
                chapterUrl = splitAndSaveChapter(newLocalUrl, i, pages.get(index), chapters.get(i));
            } else {
                chapterUrl = splitAndSaveChapter(newLocalUrl, i, reader.getNumberOfPages(), chapters.get(i));
            }
            index++;

            if (chapterUrl != null) {
                chaptersUrls.add(chapterUrl);
            }
        }
        return chaptersUrls;
    } catch (Exception ex) {
        return new ArrayList<String>();
    }
}

From source file:org.ednovo.gooru.domain.service.resource.ResourceServiceImpl.java

License:Open Source License

/**
 * @param mainFileUrl//from  w  ww .  ja v a2s .co  m
 *            : PDF file that has to be splitted
 * @param splittedPageSize
 *            : Page size of each splitted files
 */
private static String splitAndSaveChapter(String mainFileUrl, int pageBeginNum, int pageEndNum, String name) {
    try {
        PdfReader reader = new PdfReader(mainFileUrl);

        int splittedPageSize = pageEndNum - pageBeginNum + 1;
        int pageNum = pageBeginNum;

        String chapterUrl = mainFileUrl.substring(0, mainFileUrl.indexOf(DOT_PDF)) + "-" + name + DOT_PDF;

        Document document = new Document(reader.getPageSizeWithRotation(1));

        FileOutputStream fos = new FileOutputStream(chapterUrl);
        PdfCopy writer = new PdfCopy(document, fos);
        Map<String, String> info = reader.getInfo();

        document.open();
        if ((info != null) && (info.get(_AUTHOR) != null)) {
            document.addAuthor(info.get(_AUTHOR));
        }

        document.addTitle(name);

        for (int offset = 0; offset < splittedPageSize && (pageNum + offset) < pageEndNum; offset++) {
            PdfImportedPage page = writer.getImportedPage(reader, pageNum + offset);
            writer.addPage(page);
        }

        document.close();
        writer.close();
        return chapterUrl;

    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

From source file:org.freemedsoftware.util.CompositePdfForm.java

License:Open Source License

public static void main(String[] args) throws Exception {
    CommandLineParser parser = new GnuParser();
    CommandLine line = null;//from  w  ww  .  j  av  a  2 s. c  o m
    try {
        line = parser.parse(getOptions(), args);
    } catch (ParseException exp) {
        System.err.println("Parsing failed.  Reason: " + exp.getMessage());
        System.exit(1);
    }

    String dataFile = line.getOptionValue("i");
    String templateFile = line.getOptionValue("t");
    String outputFile = line.getOptionValue("o");

    if (dataFile == null || templateFile == null || outputFile == null) {
        System.err.println("options:");
        System.err.println("\t[-i|--input]     Input file name");
        System.err.println("\t[-t|--template]  PDF template");
        System.err.println("\t[-o|--output]    Output file name");
        System.exit(1);
    }

    if (!(new File(dataFile).exists())) {
        System.err.println("Could not open input data file " + dataFile);
        System.exit(1);
    }

    if (!(new File(templateFile).exists())) {
        System.err.println("Could not open template file " + templateFile);
        System.exit(1);
    }

    Serializer serializer = new Persister();
    FormElementList elementList = serializer.read(FormElementList.class, new File(dataFile));

    PdfReader templateReader = new PdfReader(templateFile);
    PdfStamper stamper = new PdfStamper(templateReader, new FileOutputStream(outputFile));

    // Iterate
    fillForm(stamper.getAcroFields(), elementList);

    stamper.close();
    System.exit(0);
}

From source file:org.gmdev.pdftrick.engine.CheckFiles.java

License:Open Source License

/**
 * method that check is single pdf has a User password protected, set userProtection = true if BadPasswordException;
 * @param File//from  www. ja  va2s.com
 */
private void hasProtection(File file) {
    PdfReader reader = null;
    try {
        reader = new PdfReader(file.getPath());
        if (reader != null) {
            if (reader.isEncrypted()) {
                ownerProtection = true;
            }
            reader.close();
        }
    } catch (BadPasswordException e) {
        userProtection = true;
    } catch (IOException e) {
        logger.error("Exception", e);
        PdfTrickMessages.append("ERROR", Consts.SENDLOG_MSG);
    }
}

From source file:org.gmdev.pdftrick.engine.ImagesExtractor.java

License:Open Source License

/**
 * /*from   w  w  w . j  a v a  2  s.  co m*/
 * @param timeDirResult
 * @param resultFilePath
 * @param imageSelected
 * @param inlineImgSelected
 * @return TRUE if the extraction went good
 */
private boolean extractImgSel(String timeDirResult, String resultFilePath,
        HashMap<String, RenderedImageAttributes> imageSelected,
        HashMap<String, RenderedImageAttributes> inlineImgSelected) {

    final Properties messages = factory.getMessages();
    String result = timeDirResult + "/" + "Img_%s.%s";
    PdfReader reader = null;
    boolean retExtract = true;

    try {
        reader = new PdfReader(resultFilePath);
        Set<String> keys = imageSelected.keySet();
        Iterator<String> i = keys.iterator();
        int z = 1;
        while (i.hasNext()) {
            BufferedImage buff = null;
            String key = i.next();
            RenderedImageAttributes imgAttr = imageSelected.get(key);
            String flip = imgAttr.getFlip();
            String rotate = imgAttr.getRotate();
            int ref = imgAttr.getReference();

            PdfObject o = reader.getPdfObject(ref);
            PdfStream stream = (PdfStream) o;
            PdfImageObject io = null;
            try {
                io = new PdfImageObject((PRStream) stream);
            } catch (UnsupportedPdfException updfe) {
                try {
                    buff = CustomExtraImgReader.readIndexedPNG(ref, resultFilePath);
                    buff = PdfTrickUtils.adjustImage(buff, flip, rotate);
                    String type = "png";
                    String filename = String.format(result, z, type);
                    File outputfile = new File(filename);
                    ImageIO.write(buff, type, outputfile);
                } catch (Exception e) {
                    logger.error("Exception", e);
                    PdfTrickMessages.append("ERROR", Consts.SENDLOG_MSG);
                }
            }

            if (io != null) {
                String type = io.getFileType();
                String filename = String.format(result, z, type);
                BufferedImage buffPic = null;
                try {
                    if (type.equalsIgnoreCase("JBIG2")) {
                        buffPic = CustomExtraImgReader.readJBIG2(io);
                    } else {
                        buffPic = io.getBufferedImage();
                    }
                } catch (IIOException e) {
                    byte[] imageByteArray = io.getImageAsBytes();
                    try {
                        buffPic = CustomExtraImgReader.readCMYK_JPG(imageByteArray);
                    } catch (Exception ex) {
                        logger.error("Exception", e);
                        PdfTrickMessages.append("ERROR", Consts.SENDLOG_MSG);
                    }
                }

                // check if image contains a mask image
                BufferedImage buffMask = null;
                PdfDictionary imageDictionary = io.getDictionary();
                PRStream maskStream = (PRStream) imageDictionary.getAsStream(PdfName.SMASK);

                if (maskStream != null) {
                    // i have an smask object i check that is not a jpeg format, because this may cause some problem on offscreen rendering
                    // usually all imges with mask are png ... and there aren't problem, if image is jpg i discard the mask :)
                    if (!type.equalsIgnoreCase("jpg")) {
                        PdfImageObject maskImage = new PdfImageObject(maskStream);
                        buffMask = maskImage.getBufferedImage();

                        Image img = PdfTrickUtils.TransformGrayToTransparency(buffMask);
                        buff = PdfTrickUtils.ApplyTransparency(buffPic, img);
                    } else {
                        buff = buffPic;
                    }
                } else {
                    buff = buffPic;
                }

                if (buff != null) {
                    buff = PdfTrickUtils.adjustImage(buff, flip, rotate);

                    //particular cases of encoding
                    String encode = "";
                    if (type.equalsIgnoreCase("jp2")) {
                        encode = "jpeg 2000";
                    } else if (type.equalsIgnoreCase("jbig2")) {
                        encode = "jpeg";
                        filename = String.format(result, z, "jpg");
                    } else {
                        encode = type;
                    }

                    File outputfile = new File(filename);
                    ImageIO.write(buff, encode, outputfile);
                }
            }
            z++;
        }
        reader.close();
        if (inlineImgSelected.size() > 0) {
            extractInlineImgSel(timeDirResult, inlineImgSelected, z);
        }
        PdfTrickMessages.append("INFO", messages.getProperty("tmsg_19"));
    } catch (Exception e) {
        logger.error("Exception", e);
        PdfTrickMessages.append("ERROR", Consts.SENDLOG_MSG);
        retExtract = false;
    }
    return retExtract;
}

From source file:org.gmdev.pdftrick.render.PdfRenderLeft.java

License:Open Source License

/**
 * Render pdf resultfile thumbs in a left_panel, using threads pool
 *///from w ww.j  a va  2 s . com
public void pdfRender() {
    String imgPath = PdfTrickUtils.createImgFolder();
    int totPages = 0;

    // get the page number of the new generated pdf
    try {
        PdfReader reader = new PdfReader(factory.getResultFile());
        totPages = reader.getNumberOfPages();
        factory.setNumPages(totPages);
        reader.close();
    } catch (Exception e) {
        logger.error("Exception", e);
        PdfTrickMessages.append("ERROR", Consts.SENDLOG_MSG);
    }

    // system of thread that call native function and renderizing pdf cover in png images 
    boolean runPool = true;
    int division = totPages / 3;
    if (totPages < 3) {
        runPool = false;
        division = totPages;
    }

    DivisionThumb divisionThumbs = new DivisionThumb(division, imgPath);
    factory.gettContainer().setDivisionThumbs(divisionThumbs);

    Thread divisionThumbsThread = new Thread(divisionThumbs, "divisionThumbsThread");
    factory.gettContainer().setDivisionThumbsThread(divisionThumbsThread);
    divisionThumbsThread.start();

    if (runPool) {
        ExecPool execPool = new ExecPool(totPages, division, imgPath);
        factory.gettContainer().setExecPool(execPool);

        Thread execPoolThread = new Thread(execPool, "execPoolThread");
        factory.gettContainer().setExecPoolThread(execPoolThread);
        execPoolThread.start();
    }

    // thread that search and showing thumbnails 
    ShowThumbs showThumbs = new ShowThumbs();
    factory.gettContainer().setShowThumbs(showThumbs);

    Thread showThumbsThread = new Thread(showThumbs, "showThumbsThread");
    factory.gettContainer().setShowThumbsThread(showThumbsThread);
    showThumbsThread.start();
}

From source file:org.gmdev.pdftrick.thread.ImgThumb.java

License:Open Source License

/**
 * Render img thumbs contained in a page
 *//*from   ww  w.  j  a va 2 s . com*/
public void execute() {
    final Properties messages = factory.getMessages();
    final JPanel centerPanel = factory.getUserInterface().getCenter().getCenterPanel();

    SwingUtilities.invokeLater(new ManagePanelWait("thumb", "thumb_show"));
    try {
        PdfReader reader = null;
        ImageListenerShowThumb listener = null;

        reader = new PdfReader(factory.getResultFile());
        PdfReaderContentParser parser = new PdfReaderContentParser(reader);
        listener = new ImageListenerShowThumb(numberPage);

        parser.processContent(numberPage, listener);
        reader.close();

        String infoUnsupported = "";
        String infoAvailable = "";

        if (listener.getUnsupportedImage() > 0) {
            infoUnsupported = MessageFormat.format(messages.getProperty("dmsg_02"), numberPage);
        }
        if (listener.getNumImg() == 0) {
            final String noImgTitle = messages.getProperty("jmsg_08");
            SwingUtilities.invokeLater(new Runnable() {
                @Override
                public void run() {
                    JLabel noImageLabel = new JLabel(noImgTitle);
                    noImageLabel.setHorizontalAlignment(JLabel.CENTER);
                    noImageLabel.setVerticalAlignment(JLabel.CENTER);
                    noImageLabel.setFont(new Font("Verdana", 1, 20));
                    noImageLabel.setName("NoPicsImg");
                    centerPanel.setLayout(new GridBagLayout());
                    centerPanel.add(noImageLabel);
                    centerPanel.revalidate();
                    centerPanel.repaint();
                }
            });
            infoAvailable = MessageFormat.format(messages.getProperty("dmsg_03"), numberPage);
        } else {
            String t = listener.getNumImg() > 1 ? messages.getProperty("tmsg_15")
                    : messages.getProperty("tmsg_16");
            infoAvailable = listener.getNumImg() + " " + t;
        }
        PdfTrickMessages.append("INFO", infoUnsupported + infoAvailable);
    } catch (Exception e) {
        logger.error("Exception", e);
        PdfTrickMessages.append("ERROR", Consts.SENDLOG_MSG);
    }
    SwingUtilities.invokeLater(new ManagePanelWait("thumb", "thumb_hide"));
    finished = true;
}