Example usage for com.itextpdf.text.io RandomAccessSourceFactory RandomAccessSourceFactory

Introduction

In this page you can find the example usage for com.itextpdf.text.io RandomAccessSourceFactory RandomAccessSourceFactory.

Prototype

public RandomAccessSourceFactory() 

Source Link

Document

Creates a factory that will give preference to accessing the underling data source using memory mapped files

Usage

From source file:com.betel.flowers.pdf.util.RemoveBlankPageFromPDF.java

public static void removeBlankPdfPages(String source, String destination)
        throws IOException, DocumentException {
    PdfReader r = null;/*from w w  w  .j  a v  a 2  s.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();
        }
    }
}

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From source file:com.github.albfernandez.joinpdf.JoinPdf.java

License:Open Source License

private static RandomAccessSource createRamdomAccessSource(final File file) throws IOException {
    RandomAccessSource source = new RandomAccessSourceFactory().setForceRead(false)
            .setUsePlainRandomAccess(Document.plainRandomAccess).createBestSource(file.getAbsolutePath());
    return source;
}

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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;// ww w  .  ja  v a  2s  .c om
    try {
        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) {
            }
        }
    }
}

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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;/*from  www  .jav  a 2  s.  co  m*/
    try {
        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) {
            }
        }
    }

}

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From source file:me.Aron.Heinecke.fbot.lib.Converter.java

License:Apache License

/***
 * Return the amount of sites in a pdf/*w ww . ja v a 2  s  . c  om*/
 * using a deprecated (working) iText function
 * @param file path of the file to use
 * @return amount of sites
 */
@SuppressWarnings("deprecation")
public int pdfSites(String file) {
    try {
        RandomAccessFile raf = new RandomAccessFile(new File(file), "r");
        RandomAccessFileOrArray pdfFile;
        pdfFile = new RandomAccessFileOrArray(new RandomAccessSourceFactory().createSource(raf));
        PdfReader reader = new PdfReader(pdfFile, new byte[0]);
        int pages = reader.getNumberOfPages();
        reader.close();
        return pages;
    } catch (InvalidPdfException e) {
        fbot.getLogger().severe("converter", "Invalid PDF file!: no index");
    } catch (Exception e) {
        fbot.getLogger().exception("converter", e);
    }
    return -1;
}

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From source file:mkl.testarea.itext5.pdfcleanup.StrictPdfCleanUpProcessor.java

License:Open Source License

Map<String, List> parseDAParam(PdfString DA) throws IOException {
    Map<String, List> commandArguments = new HashMap<String, List>();

    PRTokeniser tokeniser = new PRTokeniser(
            new RandomAccessFileOrArray(new RandomAccessSourceFactory().createSource(DA.getBytes())));
    List currentArguments = new ArrayList();

    while (tokeniser.nextToken()) {
        if (tokeniser.getTokenType() == PRTokeniser.TokenType.OTHER) {
            String key = tokeniser.getStringValue();

            if (key.equals("RG") || key.equals("G") || key.equals("K")) {
                key = STROKE_COLOR;//ww w  .  j  av  a 2 s. co m
            } else if (key.equals("rg") || key.equals("g") || key.equals("k")) {
                key = FILL_COLOR;
            }

            commandArguments.put(key, currentArguments);
            currentArguments = new ArrayList();
        } else {
            switch (tokeniser.getTokenType()) {
            case NUMBER:
                currentArguments.add(new PdfNumber(tokeniser.getStringValue()));
                break;

            case NAME:
                currentArguments.add(new PdfName(tokeniser.getStringValue()));
                break;

            default:
                currentArguments.add(tokeniser.getStringValue());
            }
        }
    }

    return commandArguments;
}

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From source file:sc.emea.tools.image.Tiff2PDF.java

License:Apache License

public static void main(String args[]) {

    int page_counter = 0;

    try {//from  www . j ava  2 s . com

        // Read the Tiff File
        FileList myFileList = new FileList("C:\\DEV\\Eclipse-Workspace\\Luna-J\\Tiff2PdfConverter\\TIFF\\");
        myFileList.setFilterPreMiddleSuffix("", "", ".tiff");
        myFileList.sort(ComparableAttribute.dateLastModified, SortingDirection.asc);

        File[] myTiffFileFiles = myFileList.getFilesArray();

        if (myTiffFileFiles.length < 1)
            return;
        else
            for (File file : myTiffFileFiles)
                System.out.println(file.getName());

        Document myDocument = new Document();
        myDocument.setMargins(0, 0, 0, 0);
        PdfWriter.getInstance(myDocument,
                new FileOutputStream("C:\\DEV\\Eclipse-Workspace\\Luna-J\\Tiff2PdfConverter\\PDF\\test.pdf"));
        myDocument.open();

        RandomAccessSourceFactory rasFactory = new RandomAccessSourceFactory();

        for (File file : myTiffFileFiles) {

            FileInputStream _fis = new FileInputStream(file.getAbsolutePath());

            RandomAccessSource _ra_source = rasFactory.createSource(_fis);
            RandomAccessFileOrArray _ra_file = new RandomAccessFileOrArray(_ra_source);

            int numberOfPages = TiffImage.getNumberOfPages(_ra_file);
            for (int i = 1; i <= numberOfPages; i++) {
                Image _image = TiffImage.getTiffImage(_ra_file, i);
                _image.scaleAbsolute(myDocument.getPageSize());
                myDocument.add(_image);
                page_counter++;
            }

        }
        myDocument.close();
        System.out.println("Tiff to PDF conversion completed for " + page_counter);

    } catch (Exception i1) {
        i1.printStackTrace();
    }
}

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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  va2  s  .  c om
    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();
    }
}

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