Example usage for com.lowagie.text.pdf PdfStamper addFileAttachment

Introduction

In this page you can find the example usage for com.lowagie.text.pdf PdfStamper addFileAttachment.

Prototype

public void addFileAttachment(String description, byte fileStore[], String file, String fileDisplay)
        throws IOException 

Source Link

Document

Adds a file attachment at the document level.

Usage

From source file:de.jdufner.sudoku.generator.service.PdfGeneratorService.java

License:Open Source License

public void packPdf(String filePathName, String packageFileBaseName, String frontpageFileBaseName,
        String questsFileBaseName, String resultsFileBaseName, String htmlFileName)
        throws FileNotFoundException, DocumentException, IOException {
    PdfStamper pdfStamper = new PdfStamper(new PdfReader(filePathName + frontpageFileBaseName),
            new FileOutputStream(filePathName + packageFileBaseName));
    pdfStamper.addFileAttachment("Quests", null, filePathName + questsFileBaseName, questsFileBaseName);
    pdfStamper.addFileAttachment("Results", null, filePathName + resultsFileBaseName, resultsFileBaseName);
    pdfStamper.addFileAttachment("HTML", null, filePathName + htmlFileName, htmlFileName);
    pdfStamper.makePackage(PdfName.T);/*from  w  w w .  jav a 2  s  . co m*/
    pdfStamper.close();
}

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From source file:net.sqs2.translator.impl.SQSToPDFTranslator.java

License:Apache License

private void combinePDFData(FOUserAgent userAgent, byte[] sqsSourceBytes, byte[] pdfRawDataBytes,
        OutputStream pdfOutputStream, String basename) throws IOException {
    try {/*from  ww  w.ja v  a 2s  .  co m*/
        PdfReader reader = new PdfReader(pdfRawDataBytes);
        int numPages = reader.getNumberOfPages();
        userAgent.getRendererOptions().get("pageWidth");
        byte[] svgBytes = createSVGPrint(userAgent, numPages);
        PdfStamper stamp = new PdfStamper(reader, pdfOutputStream);
        stamp.addFileAttachment("SQS Source", sqsSourceBytes, null, basename + ".sqs");
        stamp.addFileAttachment("SQS Master", svgBytes, null, basename + ".sqm");
        stamp.close();
        reader.close();
    } catch (DocumentException ex) {
        ex.printStackTrace();
    }
}

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From source file:org.webpki.pdf.PDFSigner.java

License:Apache License

public byte[] addDocumentSignature(byte[] indoc, boolean certified) throws IOException {
    try {/*from  w w w .j  av  a  2 s .  com*/
        PdfReader reader = new PdfReader(indoc);
        ByteArrayOutputStream bout = new ByteArrayOutputStream(8192);
        PdfStamper stp = PdfStamper.createSignature(reader, bout, '\0', null, true);

        for (Attachment file : attachments) {
            stp.addFileAttachment(file.description, file.data, "dummy", file.filename);
        }

        PdfSignatureAppearance sap = stp.getSignatureAppearance();
        sap.setCrypto(null, signer.getCertificatePath(), null, PdfSignatureAppearance.WINCER_SIGNED);

        if (reason != null) {
            sap.setReason(reason);
        }
        if (location != null) {
            sap.setLocation(location);
        }

        if (enable_signature_graphics) {
            sap.setVisibleSignature(new Rectangle(100, 100, 400, 130), reader.getNumberOfPages(), null);
        }

        sap.setCertified(certified);

        //           sap.setExternalDigest (new byte[128], new byte[20], "RSA");
        sap.setExternalDigest(new byte[512], new byte[20], "RSA");
        sap.preClose();
        MessageDigest messageDigest = MessageDigest.getInstance("SHA1");
        byte buf[] = new byte[8192];
        int n;
        InputStream inp = sap.getRangeStream();
        while ((n = inp.read(buf)) > 0) {
            messageDigest.update(buf, 0, n);
        }
        byte hash[] = messageDigest.digest();
        PdfSigGenericPKCS sg = sap.getSigStandard();
        PdfLiteral slit = (PdfLiteral) sg.get(PdfName.CONTENTS);
        byte[] outc = new byte[(slit.getPosLength() - 2) / 2];
        PdfPKCS7 sig = sg.getSigner();
        sig.setExternalDigest(signer.signData(hash, AsymSignatureAlgorithms.RSA_SHA1), hash, "RSA");
        PdfDictionary dic = new PdfDictionary();
        byte[] ssig = sig.getEncodedPKCS7();
        System.arraycopy(ssig, 0, outc, 0, ssig.length);
        dic.put(PdfName.CONTENTS, new PdfString(outc).setHexWriting(true));
        sap.close(dic);

        return bout.toByteArray();
    } catch (NoSuchAlgorithmException nsae) {
        throw new IOException(nsae.getMessage());
    } catch (DocumentException de) {
        throw new IOException(de.getMessage());
    }
}

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