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

Introduction

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

Prototype

public void close() 

Source Link

Document

Closes the reader, and any underlying stream or data source used to create the reader

Usage

From source file:pdfmt.pdf2image.java

License:Open Source License

/** 
 * Convert a PDF document to a TIF file 
 *///ww w .j a va  2s.  c  om
protected static void convert(String pdf, String tif, String destPdf) throws IOException {

    org.icepdf.core.pobjects.Document pdffile = new org.icepdf.core.pobjects.Document();

    try {
        pdffile.setFile(pdf);

    } catch (PDFException ex) {
        //  System.out.println("Error parsing PDF document " + ex); 
    } catch (PDFSecurityException ex) {
        //  System.out.println("Error encryption not supported " + ex); 
    } catch (FileNotFoundException ex) {
        // System.out.println("Error file not found " + ex); 
    } catch (IOException ex) {
        //  System.out.println("Error handling PDF document " + ex); 
    }

    int numPgs = pdffile.getNumberOfPages();

    try {
        // step 1: create new reader
        PdfReader r = new PdfReader(pdf);
        //  System.out.println("File Lenght:"  + r.getFileLength());
        RandomAccessFileOrArray raf = new RandomAccessFileOrArray(pdf);
        // System.out.println("Raf:" + raf);
        Document document = new Document(r.getPageSizeWithRotation(1));
        //           // step 2: create a writer that listens to the document
        PdfCopy writer = new PdfCopy(document, new FileOutputStream(destPdf));
        //           
        //           // step 3: we open the document
        document.open();
        //           // step 4: we add content
        PdfImportedPage page = null;
        //        
        //loop through each page and if the bs is larger than 20 than we know it is not blank.
        //if it is less than 20 than we don't include that blank page.

        float scale = 2.084f;
        float rotation = 0f;

        BufferedImage image[] = new BufferedImage[numPgs];

        for (int i = 0; i < numPgs; i++) {

            byte bContent[] = r.getPageContent(i + 1, raf);
            // System.out.println(bContent.toString());

            ByteArrayOutputStream bs = new ByteArrayOutputStream();
            //write the content to an output stream
            bs.write(bContent);

            //System.out.println("page content length of page " + i+1 + " = "
            //      + bs.size());

            /* 
             * Generate the image: 
             * Notes: 1275x1650 = 8.5 x 11 @ 150dpi ??? 
             */
            image[i] = (BufferedImage) pdffile.getPageImage(i, GraphicsRenderingHints.SCREEN,
                    Page.BOUNDARY_CROPBOX, rotation, scale);
            Iterator writers = ImageIO.getImageWritersByFormatName("TIFF");
            if (writers == null || !writers.hasNext()) {
                throw new RuntimeException("No writers for available.");

            }
            ImageWriter myWriter = (ImageWriter) writers.next();
            myWriter.setOutput(new FileImageOutputStream(new File(tif)));
            myWriter.prepareWriteSequence(null);
            ImageTypeSpecifier imageType = ImageTypeSpecifier.createFromRenderedImage(image[i]);
            IIOMetadata imageMetadata = myWriter.getDefaultImageMetadata(imageType, null);
            imageMetadata = createImageMetadata(imageMetadata);
            myWriter.writeToSequence(new IIOImage(image[i], null, imageMetadata), null);

            myWriter.dispose();
            image[i] = null;
            myWriter = null;

            FileInputStream in = new FileInputStream(tif);
            FileChannel channel = in.getChannel();
            ByteBuffer buffer = ByteBuffer.allocate((int) channel.size());
            channel.read(buffer);
            Image imageBlank;

            imageBlank = load(buffer.array());

            BufferedImage bufferedImage = imageToBufferedImage(imageBlank);
            boolean isBlank;
            isBlank = isBlank(bufferedImage);
            // System.out.println("isblank "+ isBlank);

            if (isBlank == false) {

                page = writer.getImportedPage(r, i + 1);
                writer.addPage(page);

            }
            bs.close();

            System.gc();
        }

        document.close();
        writer.close();
        raf.close();
        r.close();

    } catch (Exception e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

---

From source file:pdfmt.RemoveBlankPdf.java

License:Open Source License

/**
 * Convert a PDF document to a TIF file.
 * //  w ww  .j a va2  s  . c o  m
 * @param pdf
 *            the pdf
 * @param tif
 *            the tif
 * @param destPdf
 *            the dest pdf
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 */
protected void convert(String pdf, String tif, String destPdf) throws IOException {

    startTime = System.currentTimeMillis();
    logger.info("In the boolean convert(String pdf, String tif, String destPdf)");
    org.icepdf.core.pobjects.Document pdffile = new org.icepdf.core.pobjects.Document();

    try {

        pdffile.setFile(pdf);

    } catch (PDFException ex) {
        // System.out.println("Error parsing PDF document " + ex);
    } catch (PDFSecurityException ex) {
        // System.out.println("Error encryption not supported " + ex);
    } catch (FileNotFoundException ex) {
        // System.out.println("Error file not found " + ex);
    } catch (IOException ex) {
        // System.out.println("Error handling PDF document " + ex);
    }

    int numPgs = pdffile.getNumberOfPages();
    msg.setText(".....::::: Converting pages please wait :::::.....");
    addComponent(contentPane, msg, 10, 110, 200, 18);

    try {
        // step 1: create new reader
        PdfReader r = new PdfReader(pdf);
        // System.out.println("File Lenght:" + r.getFileLength());
        RandomAccessFileOrArray raf = new RandomAccessFileOrArray(pdf);
        // System.out.println("Raf:" + raf);
        Document document = new Document(r.getPageSizeWithRotation(1));
        // // step 2: create a writer that listens to the document
        PdfCopy writer = new PdfCopy(document, new FileOutputStream(destPdf));
        //           
        // // step 3: we open the document
        document.open();
        // // step 4: we add content
        PdfImportedPage page = null;

        float scale = 2.084f;
        float rotation = 0f;

        BufferedImage image[] = new BufferedImage[numPgs];

        // -------- CHANGE
        jprogress.setMaximum(numPgs);
        // -------- CHANGE

        for (int i = 0; i < numPgs; i++) {

            // -------- CHANGE
            jprogress.setValue(i + 1);
            // -------- CHANGE

            byte bContent[] = r.getPageContent(i + 1, raf);
            // System.out.println(bContent.toString());

            ByteArrayOutputStream bs = new ByteArrayOutputStream();
            // write the content to an output stream
            bs.write(bContent);

            // System.out.println("page content length of page " + i+1 +
            // " = "
            // + bs.size());

            /*
             * Generate the image: Notes: 1275x1650 = 8.5 x 11 @ 150dpi ???
             */
            image[i] = (BufferedImage) pdffile.getPageImage(i, GraphicsRenderingHints.SCREEN,
                    Page.BOUNDARY_CROPBOX, rotation, scale);
            Iterator writers = ImageIO.getImageWritersByFormatName("TIFF");
            if (writers == null || !writers.hasNext()) {
                throw new RuntimeException("No writers for available.");

            }
            ImageWriter myWriter = (ImageWriter) writers.next();
            myWriter.setOutput(new FileImageOutputStream(new File(tif)));
            myWriter.prepareWriteSequence(null);
            ImageTypeSpecifier imageType = ImageTypeSpecifier.createFromRenderedImage(image[i]);
            IIOMetadata imageMetadata = myWriter.getDefaultImageMetadata(imageType, null);
            imageMetadata = createImageMetadata(imageMetadata);
            myWriter.writeToSequence(new IIOImage(image[i], null, imageMetadata), null);

            myWriter.dispose();
            image[i] = null;
            myWriter = null;

            FileInputStream in = new FileInputStream(tif);
            FileChannel channel = in.getChannel();
            ByteBuffer buffer = ByteBuffer.allocate((int) channel.size());
            channel.read(buffer);
            Image imageBlank;

            imageBlank = load(buffer.array());

            BufferedImage bufferedImage = imageToBufferedImage(imageBlank);
            boolean isBlank;
            isBlank = isBlank(bufferedImage);
            // System.out.println("isblank "+ isBlank);
            boolean hasContent = false;
            File file = new File(TEMP_DIR + TEMP_EXTR_TEXT);

            try {
                FileWriter fileWriter = new FileWriter(file);

                PageText pageText = pdffile.getPageText(i);
                if (pageText != null && pageText.getPageLines() != null) {
                    fileWriter.write(pageText.toString());
                }

                // close the writer
                fileWriter.close();
                System.out.println(file.length());
                if (file.length() > 20) {
                    hasContent = true;

                }
                file.delete();

                System.out.println(TEMP_TIFF + " deleted");
            } catch (IOException e) {

                e.printStackTrace();
            }

            if (isBlank == false && hasContent == true) {

                page = writer.getImportedPage(r, i + 1);
                writer.addPage(page);

            }
            bs.close();
            in.close();
            File ft = new File(TEMP_DIR + TEMP_TIFF);
            boolean check = ft.delete();
            if (check == true) {
                System.out.println("Deleted");
            } else {
                System.out.println("Stuck");
            }
            System.gc();

        }

        document.close();
        writer.close();
        raf.close();
        r.close();
        stopTime = System.currentTimeMillis();
        logger.info("Exit boolean convert(String pdf, String tif, String destPdf) with time:    "
                + ((stopTime - startTime) / 1000));

    } catch (Exception e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

---

From source file:pdfupdate.PdfUpdate.java

public void manipulatePdf(String src, String dest) throws IOException, DocumentException {
    PdfReader.unethicalreading = false;//  ww w .ja  va 2  s. c  o m
    PdfReader reader = new PdfReader(src);
    PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(dest));
    AcroFields form = stamper.getAcroFields();
    XfaForm xfa = form.getXfa();
    xfa.fillXfaForm(new FileInputStream(XML));
    stamper.close();
    reader.close();
}

---

From source file:pdfupdate.PdfUpdate.java

public void manipulatePdf2(String src, String dest) throws IOException, DocumentException {
    PdfReader reader = new PdfReader(src);
    PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(dest));
    AcroFields form = stamper.getAcroFields();
    XfaForm xfa = form.getXfa();//from   w w  w .  j  a va 2  s  .  co m
    xfa.fillXfaForm(new FileInputStream(XML));
    stamper.close();
    reader.close();
}

---

From source file:pdfupdate.PdfUpdate.java

public void readXml(String src, String dest) throws IOException, DocumentException, TransformerException {
    PdfReader reader = new PdfReader(src);
    AcroFields form = reader.getAcroFields();
    XfaForm xfa = form.getXfa();/*from   w  ww  .ja  v a2s .co  m*/
    Node node = xfa.getDatasetsNode();
    NodeList list = node.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        if ("data".equals(list.item(i).getLocalName())) {
            node = list.item(i);
            break;
        }
    }
    list = node.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        if ("movies".equals(list.item(i).getLocalName())) {
            node = list.item(i);
            break;
        }
    }
    Transformer tf = TransformerFactory.newInstance().newTransformer();
    tf.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
    tf.setOutputProperty(OutputKeys.INDENT, "yes");
    FileOutputStream os = new FileOutputStream(dest);
    tf.transform(new DOMSource(node), new StreamResult(os));
    reader.close();
}

---

From source file:pdf_text_extract.Main.java

License:Open Source License

public static void main(String[] argv) throws IOException {

    if (argv.length != 3 && argv.length != 2) {
        usage();/*from w  w  w . j a  v  a  2  s.co  m*/
        return;
    }

    PdfReader reader;
    if ("-".equals(argv[0])) {
        reader = new PdfReader(System.in);

    } else {
        File pdf = new File(argv[0]);
        if (!pdf.canRead() || !pdf.isFile()) {
            System.err.println("cannot read input file " + pdf.getAbsolutePath());
            return;
        }
        reader = new PdfReader(pdf.getAbsolutePath());
    }
    PdfReaderContentParser parser = new PdfReaderContentParser(reader);

    Integer pageNumber;
    String outputFilename;
    if (argv.length == 3) {
        pageNumber = Integer.parseInt(argv[1]);
        outputFilename = argv[2];
    } else {
        pageNumber = null;
        outputFilename = argv[1];
    }

    PrintWriter out;
    if ("-".equals(outputFilename)) {
        out = new PrintWriter(new OutputStreamWriter(System.out, "UTF-8"));
    } else {
        File outputFile = new File(outputFilename);
        out = new PrintWriter(outputFile, "UTF-8");
    }

    RenderListener dumper = new DumpTextFragmentPositions(out);

    if (pageNumber != null) {
        parser.processContent(pageNumber, dumper);
    } else {
        int pages = reader.getNumberOfPages();
        for (int p = 0; p < pages; p++)
            parser.processContent(p + 1, dumper);
    }

    out.close();
    reader.close();
}

---

From source file:printom.PDFCreator.java

public static void createLabel(int aLabelType, int aJobNum, char aJobIdentifier, String aCustName,
        String aItemName, String aItemCode, String aDate, String aPOrderNum, int aInputPcs) {

    String myJobNum = String.valueOf(aJobNum);
    char myJobIdentifier = aJobIdentifier;
    String myCustName = aCustName;
    String myItemName = aItemName;
    String myItemCode = aItemCode;
    String myDate = aDate;//  w w w  .j a v a 2  s  .  co m
    String myPOrderNum = aPOrderNum;
    String myInputPcs = String.valueOf(aInputPcs);

    try {
        String src = "";
        if (aLabelType == 1) {
            src = CTNLABEL;
        }
        String dest = RESULTLABEL;

        Font timesJob = new Font(Font.FontFamily.TIMES_ROMAN, 16, Font.BOLD, BaseColor.WHITE);
        Font timesDef = new Font(Font.FontFamily.TIMES_ROMAN, 16, Font.NORMAL, BaseColor.BLACK);

        PdfReader reader = new PdfReader(src);
        PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(dest));
        PdfContentByte canvas = stamper.getOverContent(1);

        for (int k = 0; k < 3; k++) {

            //Positions
            int[] x = { 298, 350, 125, 80, 80, 80, 80, 120 };
            int[] y = { 562, 562, 518, 498, 479, 459, 440, 420 };

            if (k == 1) {
                for (int j = 0; j < 8; j++) {
                    y[j] = y[j] - 186;
                }
            }

            if (k == 2) {
                for (int j = 0; j < 8; j++) {
                    y[j] = y[j] - 372;
                }
            }

            for (int i = 0; i < 2; i++) {

                if (i == 1) {
                    for (int j = 0; j < 8; j++) {
                        x[j] = x[j] + 372;
                    }
                }

                ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(myJobNum, timesJob), x[0],
                        y[0], 0);
                ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT,
                        new Phrase(String.valueOf(myJobIdentifier), timesDef), x[1], y[1], 0);
                ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(myCustName, timesDef), x[2],
                        y[2], 0);
                ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(myItemName, timesDef), x[3],
                        y[3], 0);
                ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(myItemCode, timesDef), x[4],
                        y[4], 0);
                ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(myDate, timesDef), x[5], y[5],
                        0);
                ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(myPOrderNum, timesDef), x[6],
                        y[6], 0);
                ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(myInputPcs, timesDef), x[7],
                        y[7], 0);
            }
        }
        stamper.close();
        reader.close();

    } catch (IOException | DocumentException ex) {
        Logger.getLogger(PDFCreator.class.getName()).log(Level.SEVERE, null, ex);
    }

}

---

From source file:printom.PDFCreator.java

public static void createReport(int aJobNum, char aJobIdentifier, String aCustName, String aItemName,
        String aItemCode, String aDate, String aPOrderNum, int aInputPcs, int aQtyWithOvers, int aNumContainers,
        String aInputContainer) {

    String myJobNum = String.valueOf(aJobNum);
    char myJobIdentifier = aJobIdentifier;
    String myCustName = aCustName;
    String myItemName = aItemName;
    String myItemCode = aItemCode;
    String myDate = aDate;/*from   w ww  .  j  av a  2s .  co  m*/
    String myPOrderNum = aPOrderNum;
    String myInputPcs = String.valueOf(aInputPcs);
    int myQtyWithOvers = aQtyWithOvers;
    int myNumContainers = aNumContainers;
    String myInputContainer = aInputContainer;

    double amount = myQtyWithOvers;
    DecimalFormat formatter = new DecimalFormat("#,###");

    String myStrQtyWithOvers = formatter.format(amount);

    try {
        String src = REPORT;
        String dest = RESULTREPORT;

        Font timesJob = new Font(Font.FontFamily.TIMES_ROMAN, 18, Font.BOLD, BaseColor.WHITE);
        Font timesDef = new Font(Font.FontFamily.TIMES_ROMAN, 16, Font.NORMAL, BaseColor.BLACK);

        PdfReader reader = new PdfReader(src);
        PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(dest));
        PdfContentByte canvas = stamper.getOverContent(1);

        int[] x = { 441, 510, 426, 87, 87, 87, 426, 307, 218, 325, 426 };
        int[] y = { 547, 547, 473, 450, 428, 473, 450, 325, 385, 385, 428 };

        ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(myJobNum, timesJob), x[0], y[0], 0);
        ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT,
                new Phrase(String.valueOf(myJobIdentifier), timesDef), x[1], y[1], 0);
        ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(myCustName, timesDef), x[2], y[2], 0);
        ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(myItemName, timesDef), x[3], y[3], 0);
        ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(myItemCode, timesDef), x[4], y[4], 0);
        ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(myDate, timesDef), x[5], y[5], 0);
        ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(myPOrderNum, timesDef), x[6], y[6],
                0);
        ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(myInputPcs, timesDef), x[7], y[7], 0);
        ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(myStrQtyWithOvers, timesDef), x[8],
                y[8], 0);
        ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT,
                new Phrase("(" + String.valueOf(myNumContainers) + " cases with overs)", timesDef), x[9], y[9],
                0);
        ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(myInputContainer, timesDef), x[10],
                y[10], 0);
        stamper.close();
        reader.close();

    } catch (IOException | DocumentException ex) {
        Logger.getLogger(PDFCreator.class.getName()).log(Level.SEVERE, null, ex);
    }
}

---

From source file:Project.data.preparation.ExtractPageContentArea.java

public void parsePdf(String pdf, int pageNum, int upper_x, int upper_y, int lower_x, int lower_y)
        throws IOException {
    PdfReader reader = new PdfReader(pdf);
    //        System.out.println("(" + upper_x + " , " + upper_y + ") to ( " + lower_x + " , " + lower_y + ")");
    rect = new Rectangle(upper_x, upper_y, lower_x, lower_y);
    RenderFilter filter = new RegionTextRenderFilter(getRect());
    TextExtractionStrategy strategy;/*from w w  w.  j  a va  2 s.  com*/
    strategy = new FilteredTextRenderListener(new LocationTextExtractionStrategy(), filter);
    TextCropped = PdfTextExtractor.getTextFromPage(reader, pageNum, strategy);
    setTextCropped(TextCropped);
    reader.close();
}

---

From source file:renamergroup.FileFinderThread.java

public void run() {
    while (!renamerframe.fileExploreEnded() || !fileList.isEmpty()) {
        try {/*from ww w.  j  a  v a2  s .com*/
            String fileDir = fileList.poll();
            if (fileDir == null)
                continue;
            PdfReader reader = new PdfReader(fileDir);
            Map<String, String> info = reader.getInfo();
            String author = info.get("Author");
            String title = info.get("Title");
            String subject = info.get("Subject");
            String keywords = info.get("Keywords");
            if (mainframe.isMatched(author, "author") || mainframe.isMatched(title, "title")
                    || mainframe.isMatched(subject, "subject") || mainframe.isMatched(keywords, "keywords")) {
                renamerframe.initListToRename(fileDir);
            }
            info.clear();
            reader.close();

        } catch (IOException ex) {
            System.out.println(ex.getMessage());
        }

    }

}

---

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