List of usage examples for com.itextpdf.text.pdf RandomAccessFileOrArray close
public void close() throws IOException
From source file:com.betel.flowers.pdf.util.RemoveBlankPageFromPDF.java
public static void removeBlankPdfPages(String source, String destination) throws IOException, DocumentException { PdfReader r = null;//w ww .jav a 2s. c o m RandomAccessSourceFactory rasf = null; RandomAccessFileOrArray raf = null; Document document = null; PdfCopy writer = null; try { r = new PdfReader(source); // deprecated // RandomAccessFileOrArray raf // = new RandomAccessFileOrArray(pdfSourceFile); // itext 5.4.1 rasf = new RandomAccessSourceFactory(); raf = new RandomAccessFileOrArray(rasf.createBestSource(source)); document = new Document(r.getPageSizeWithRotation(1)); writer = new PdfCopy(document, new FileOutputStream(destination)); document.open(); PdfImportedPage page = null; for (int i = 1; i <= r.getNumberOfPages(); i++) { // first check, examine the resource dictionary for /Font or // /XObject keys. If either are present -> not blank. PdfDictionary pageDict = r.getPageN(i); PdfDictionary resDict = (PdfDictionary) pageDict.get(PdfName.RESOURCES); boolean noFontsOrImages = true; if (resDict != null) { noFontsOrImages = resDict.get(PdfName.FONT) == null && resDict.get(PdfName.XOBJECT) == null; } if (!noFontsOrImages) { byte bContent[] = r.getPageContent(i, raf); ByteArrayOutputStream bs = new ByteArrayOutputStream(); bs.write(bContent); if (bs.size() > BLANK_THRESHOLD) { page = writer.getImportedPage(r, i); writer.addPage(page); } } } } finally { if (document != null) { document.close(); } if (writer != null) { writer.close(); } if (raf != null) { raf.close(); } if (r != null) { r.close(); } } }
From source file:com.ephesoft.dcma.imagemagick.MultiPageExecutor.java
License:Open Source License
/** * This method creates multi page pdf using IText. * // w w w .ja va2s . c o m * @param batchInstanceThread {@link BatchInstanceThread} * @param pages11 {@link String} * @param widthOfPdfPage int * @param heightOfPdfPage int */ public MultiPageExecutor(BatchInstanceThread batchInstanceThread, final String[] pages11, final int widthOfPdfPage, final int heightOfPdfPage) { if (pages11 != null && pages11.length > 0) { this.pages = new String[pages11.length]; this.pages = pages11.clone(); batchInstanceThread.add(new AbstractRunnable() { @Override public void run() { String pdf = pages[pages.length - 1]; Document document = null; PdfWriter writer = null; RandomAccessFileOrArray randomAccessArray = null; try { document = new Document(PageSize.LETTER, 0, 0, 0, 0); writer = PdfWriter.getInstance(document, new FileOutputStream(pdf)); document.open(); int comps = 1; int totalTiffImages = pages.length - 1; int index = 0; while (index < totalTiffImages) { randomAccessArray = new RandomAccessFileOrArray(pages[index]); comps = TiffImage.getNumberOfPages(randomAccessArray); // Conversion statement for (int tiffPageNumber = 0; tiffPageNumber < comps; ++tiffPageNumber) { Image img = TiffImage.getTiffImage(randomAccessArray, tiffPageNumber + 1); img.scaleToFit(widthOfPdfPage, heightOfPdfPage); document.add(img); document.newPage(); } index++; } } catch (Exception e) { LOGGER.error("Error while creating pdf using iText" + e.getMessage(), e); //pdf = null; } finally { try { if (document != null) { document.close(); } if (writer != null) { writer.close(); } if (randomAccessArray != null) { randomAccessArray.close(); } } catch (Exception e) { LOGGER.error("Error while closing I/O streams for write PDF. " + e.getMessage()); } } } }); } }
From source file:com.ephesoft.dcma.util.FileUtils.java
License:Open Source License
/** * Closes the com.itextpdf.text.pdf.RandomAccessFileOrArray. * //from www . j a v a2 s .c om * @param randomAccessFile {@link com.itextpdf.text.pdf.RandomAccessFileOrArray} com.itextpdf.text.pdf.RandomAccessFileOrArray to * be closed */ public static void closeStream(final RandomAccessFileOrArray randomAccessFile) { try { if (randomAccessFile != null) { randomAccessFile.close(); } } catch (IOException ioException) { LOGGER.error("Error occurred while closing RandomAccessFileOrArray.", ioException); } }
From source file:com.ephesoft.dcma.util.TIFFUtil.java
License:Open Source License
/** * API for getting the number of pages in a tiff file. * /*from w w w. j av a 2 s . c o m*/ * @param filePath file path {@link String} * @return numberOfPage */ public static int getTIFFPageCount(String filePath) { LOG.info("Counting number of pages in a tiff file = " + filePath); int numberOfPages = 0; RandomAccessFileOrArray randomAccessFile = null; String filePathLowerCase = filePath.toLowerCase(Locale.getDefault()); if (!filePathLowerCase.endsWith(IUtilCommonConstants.EXTENSION_TIFF) && !filePathLowerCase.endsWith(IUtilCommonConstants.EXTENSION_TIF)) { LOG.info("File not a tiff file." + filePath); } else { try { randomAccessFile = new RandomAccessFileOrArray(filePath); numberOfPages = TiffImage.getNumberOfPages(randomAccessFile); LOG.info("Number of pages found = " + numberOfPages); } catch (IOException ioe) { LOG.error("IIO exception while reading the tiff file = " + filePath); } finally { if (null != randomAccessFile) { try { randomAccessFile.close(); } catch (IOException ioe) { LOG.error("Error while closing the RandomAccessFileOrArray for file = " + filePath); } } } } return numberOfPages; }
From source file:com.vectorprint.report.itext.DefaultElementProducer.java
License:Open Source License
@Override public void loadPdf(File pdf, PdfWriter writer, byte[] password, ImageProcessor imageProcessor, int... pages) throws VectorPrintException { RandomAccessFileOrArray ra = null; try {/*from www.ja v a 2 s. co m*/ RandomAccessSourceFactory rasf = new RandomAccessSourceFactory(); ra = new RandomAccessFileOrArray(rasf.createBestSource(pdf.getPath())); PdfReader reader = new PdfReader(ra, password); if (pages == null) { for (int i = 0; i < reader.getNumberOfPages();) { imageProcessor.processImage(Image.getInstance(writer.getImportedPage(reader, ++i))); writer.freeReader(reader); } } else { for (int i : pages) { imageProcessor.processImage(Image.getInstance(writer.getImportedPage(reader, i))); writer.freeReader(reader); } } } catch (BadElementException | IOException ex) { throw new VectorPrintException(String.format("unable to load image %s", pdf.toString()), ex); } finally { if (ra != null) { try { ra.close(); } catch (IOException ex) { } } } }
From source file:com.vectorprint.report.itext.DefaultElementProducer.java
License:Open Source License
@Override public void loadTiff(File tiff, ImageProcessor imageProcessor, int... pages) throws VectorPrintException { RandomAccessFileOrArray ra = null; try {// w w w .j a v a 2 s .c o m RandomAccessSourceFactory rasf = new RandomAccessSourceFactory(); ra = new RandomAccessFileOrArray(rasf.createBestSource(tiff.getPath())); if (pages == null) { for (int i = 0; i < TiffImage.getNumberOfPages(ra);) { imageProcessor.processImage(TiffImage.getTiffImage(ra, ++i)); } } else { for (int i : pages) { imageProcessor.processImage(TiffImage.getTiffImage(ra, i)); } } } catch (IOException ex) { throw new VectorPrintException(String.format("unable to load tiff %s", tiff.toString()), ex); } finally { if (ra != null) { try { ra.close(); } catch (IOException ex) { } } } }
From source file:pdfmt.pdf2image.java
License:Open Source License
/** * Convert a PDF document to a TIF file *//*from w w w . j a v a 2 s . com*/ 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 w w. ja v a 2 s. c om * @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:spntoolsdata.pdf.util.RemoveBlankPageFromPDF.java
public static void removeBlankPdfPages(String source, String destination) throws IOException, DocumentException { PdfReader r = null;//from ww w . j a v a 2s .com RandomAccessSourceFactory rasf = null; RandomAccessFileOrArray raf = null; Document document = null; PdfCopy writer = null; try { r = new PdfReader(source); // deprecated // RandomAccessFileOrArray raf // = new RandomAccessFileOrArray(pdfSourceFile); // itext 5.4.1 rasf = new RandomAccessSourceFactory(); raf = new RandomAccessFileOrArray(rasf.createBestSource(source)); document = new Document(r.getPageSizeWithRotation(1)); writer = new PdfCopy(document, new FileOutputStream(destination)); document.open(); PdfImportedPage page = null; for (int i = 1; i <= r.getNumberOfPages(); i++) { // first check, examine the resource dictionary for /Font or // /XObject keys. If either are present -> not blank. PdfDictionary pageDict = r.getPageN(i); PdfDictionary resDict = (PdfDictionary) pageDict.get(PdfName.RESOURCES); boolean noFontsOrImages = true; if (resDict != null) { noFontsOrImages = resDict.get(PdfName.FONT) == null && resDict.get(PdfName.XOBJECT) == null; } if (!noFontsOrImages) { byte bContent[] = r.getPageContent(i, raf); ByteArrayOutputStream bs = new ByteArrayOutputStream(); bs.write(bContent); if (bs.size() > BLANK_THRESHOLD) { page = writer.getImportedPage(r, i); writer.addPage(page); } } } } finally { if (document != null) document.close(); if (writer != null) writer.close(); if (raf != null) raf.close(); if (r != null) r.close(); } }