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

Introduction

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

Prototype

public PdfReader(final RandomAccessFileOrArray raf, final byte ownerPassword[]) throws IOException 

Source Link

Document

Reads and parses a pdf document.

Usage

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

License:Open Source License

/**
 * Materially multiple pdf files are written merged file on a disk 
 * @param list//  www  .  j a v  a  2  s.com
 * @param outputStream
 * @throws DocumentException
 * @throws IOException
 */
private void doMerge(List<StreamPwdContainer> list, OutputStream outputStream)
        throws DocumentException, IOException {
    HashMap<Integer, String> rotationFromPages = factory.getRotationFromPages();
    Document document = new Document();
    PdfWriter writer = PdfWriter.getInstance(document, outputStream);
    document.open();
    PdfContentByte cb = writer.getDirectContent();

    int z = 0;
    for (StreamPwdContainer boom : list) {

        InputStream in = boom.getIn();
        PdfReader reader = null;
        if (!boom.getPwd().equalsIgnoreCase("")) {
            reader = new PdfReader(in, boom.getPwd().getBytes());
        } else {
            reader = new PdfReader(in);
        }

        for (int i = 1; i <= reader.getNumberOfPages(); i++) {
            z++;
            int rotation = reader.getPageRotation(i);

            //set size
            Rectangle pageSize_ = reader.getPageSize(i);
            Rectangle pageSize = null;
            if (rotation == 270 || rotation == 90) {
                pageSize = new Rectangle(pageSize_.getHeight(), pageSize_.getWidth());
            } else {
                pageSize = pageSize_;
            }

            document.setPageSize(pageSize);
            writer.setCropBoxSize(pageSize);

            document.newPage();

            // import the page from source pdf
            PdfImportedPage page = writer.getImportedPage(reader, i);

            // add the page to the destination pdf
            if (rotation == 270) {
                cb.addTemplate(page, 0, 1.0f, -1.0f, 0, reader.getPageSizeWithRotation(i).getWidth(), 0);
                rotationFromPages.put(z, "" + rotation);
            } else if (rotation == 180) {
                cb.addTemplate(page, -1f, 0, 0, -1f, 0, 0);
                rotationFromPages.put(z, "" + rotation);
            } else if (rotation == 90) {
                cb.addTemplate(page, 0, -1f, 1f, 0, 0, reader.getPageSizeWithRotation(i).getHeight());
                rotationFromPages.put(z, "" + rotation);
            } else {
                cb.addTemplate(page, 1f, 0, 0, 1f, 0, 0);
            }
        }
        in.close();
    }
    outputStream.flush();
    document.close();
    outputStream.close();
}

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From source file:org.h819.commons.file.MyPDFUtils.java

/**
 *  PdfReader ? pdf  pdf ???/* w  w  w  .ja  v  a  2  s. c o m*/
 *
 * @param pdfFile ? pdf 
 * @return PdfReader 
 * @throws IOException
 */
public static PdfReader getPdfReader(File pdfFile) throws IOException {

    Document.plainRandomAccess = true;
    FileInputStream fileStream = new FileInputStream(pdfFile);
    return new PdfReader(
            new RandomAccessFileOrArray(new FileChannelRandomAccessSource(fileStream.getChannel())), null);

}

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From source file:org.h819.commons.file.MyPDFUtils.java

/**
 *  PdfReader ? pdf  pdf ??/*from w ww . j a  v  a2  s  . c  om*/
 *
 * @param pdfFile       ? pdf 
 * @param ownerPassword ?
 * @return
 * @throws IOException
 */
public static PdfReader getPdfReader(File pdfFile, String ownerPassword) throws IOException {

    FileInputStream fileStream = new FileInputStream(pdfFile);

    if (ownerPassword == null)
        return getPdfReader(pdfFile);

    return new PdfReader(
            new RandomAccessFileOrArray(new FileChannelRandomAccessSource(fileStream.getChannel())),
            ownerPassword.getBytes());
}

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From source file:org.sejda.impl.itext5.component.DefaultPdfSourceOpener.java

License:Open Source License

private PdfReader doOpen(RandomAccessSource ras, byte[] pwd) throws TaskIOException, IOException {
    PdfReader reader;/*from  w w w  .  java2s .  c om*/
    try {
        reader = new PdfReader(new RandomAccessFileOrArray(ras), pwd);
    } catch (BadPasswordException bpe) {
        throw new TaskWrongPasswordException("Unable to open the document due to a wrong password.", bpe);
    }

    reader.removeUnusedObjects();
    reader.consolidateNamedDestinations();
    return reader;
}

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