Examples with ExceptionConverter pdftk.com.lowagie.text.ExceptionConverter used on opensource projects

Example 21 with ExceptionConverter

use of pdftk.com.lowagie.text.ExceptionConverter in project staplr by pridiltal.

the class TrueTypeFont method readStandardString.

/**
 * Reads a <CODE>String</CODE> from the font file as bytes using the Cp1252
 *  encoding.
 * @param length the length of bytes to read
 * @return the <CODE>String</CODE> read
 * @throws IOException the font file could not be read
 */
protected String readStandardString(int length) throws IOException {
    byte[] buf = new byte[length];
    rf.readFully(buf);
    try {
        return new String(buf, WINANSI);
    } catch (Exception e) {
        throw new ExceptionConverter(e);
    }
}

Example 22 with ExceptionConverter

use of pdftk.com.lowagie.text.ExceptionConverter in project staplr by pridiltal.

the class TrueTypeFontSubSet method readStandardString.

/**
 * Reads a <CODE>String</CODE> from the font file as bytes using the Cp1252
 *  encoding.
 * @param length the length of bytes to read
 * @return the <CODE>String</CODE> read
 * @throws IOException the font file could not be read
 */
protected String readStandardString(int length) throws IOException {
    byte[] buf = new byte[length];
    rf.readFully(buf);
    try {
        return new String(buf, BaseFont.WINANSI);
    } catch (Exception e) {
        throw new ExceptionConverter(e);
    }
}

Example 23 with ExceptionConverter

use of pdftk.com.lowagie.text.ExceptionConverter in project staplr by pridiltal.

the class PdfSigGenericPKCS method setSignInfo.

/**
 * Sets the crypto information to sign.
 * @param privKey the private key
 * @param certChain the certificate chain
 * @param crlList the certificate revocation list. It can be <CODE>null</CODE>
 */
public void setSignInfo(PrivateKey privKey, Certificate[] certChain, CRL[] crlList) {
    try {
        pkcs = new PdfPKCS7(privKey, certChain, crlList, hashAlgorithm, provider, PdfName.ADBE_PKCS7_SHA1.equals(get(PdfName.SUBFILTER)));
        pkcs.setExternalDigest(externalDigest, externalRSAdata, digestEncryptionAlgorithm);
        if (PdfName.ADBE_X509_RSA_SHA1.equals(get(PdfName.SUBFILTER))) {
            ByteArrayOutputStream bout = new ByteArrayOutputStream();
            for (int k = 0; k < certChain.length; ++k) {
                bout.write(certChain[k].getEncoded());
            }
            bout.close();
            setCert(bout.toByteArray());
            setContents(pkcs.getEncodedPKCS1());
        } else
            setContents(pkcs.getEncodedPKCS7());
        name = PdfPKCS7.getSubjectFields(pkcs.getSigningCertificate()).getField("CN");
        if (name != null)
            put(PdfName.NAME, new PdfString(name, PdfObject.TEXT_UNICODE));
        pkcs = new PdfPKCS7(privKey, certChain, crlList, hashAlgorithm, provider, PdfName.ADBE_PKCS7_SHA1.equals(get(PdfName.SUBFILTER)));
        pkcs.setExternalDigest(externalDigest, externalRSAdata, digestEncryptionAlgorithm);
    } catch (Exception e) {
        throw new ExceptionConverter(e);
    }
}

Example 24 with ExceptionConverter

use of pdftk.com.lowagie.text.ExceptionConverter in project staplr by pridiltal.

the class PdfStamper method close.

/* ssteward omit: 
    private String getNewSigName() {
        AcroFields af = getAcroFields();
        String name = "Signature";
        int step = 0;
        boolean found = false;
        while (!found) {
            ++step;
            String n1 = name + step;
            if (af.getFieldItem(n1) != null)
                continue;
            n1 += ".";
            found = true;
            for (Iterator it = af.getFields().keySet().iterator(); it.hasNext();) {
                String fn = (String)it.next();
                if (fn.startsWith(n1)) {
                    found = false;
                    break;
                }
            }
        }
        name += step;
        return name;
    }
    */
/**
 * Closes the document. No more content can be written after the
 * document is closed.
 * <p>
 * If closing a signed document with an external signature the closing must be done
 * in the <CODE>PdfSignatureAppearance</CODE> instance.
 * @throws DocumentException on error
 * @throws IOException on error
 */
public void close() throws DocumentException, IOException {
    if (!hasSignature) {
        stamper.close(moreInfo);
        return;
    }
    sigApp.preClose();
    PdfSigGenericPKCS sig = sigApp.getSigStandard();
    PdfLiteral lit = (PdfLiteral) sig.get(PdfName.CONTENTS);
    int totalBuf = (lit.getPosLength() - 2) / 2;
    byte[] buf = new byte[8192];
    int n;
    InputStream inp = sigApp.getRangeStream();
    try {
        while ((n = inp.read(buf)) > 0) {
            sig.getSigner().update(buf, 0, n);
        }
    } catch (SignatureException se) {
        throw new ExceptionConverter(se);
    }
    buf = new byte[totalBuf];
    byte[] bsig = sig.getSignerContents();
    System.arraycopy(bsig, 0, buf, 0, bsig.length);
    PdfString str = new PdfString(buf);
    str.setHexWriting(true);
    PdfDictionary dic = new PdfDictionary();
    dic.put(PdfName.CONTENTS, str);
    sigApp.close(dic);
    stamper.reader.close();
}

Example 25 with ExceptionConverter

use of pdftk.com.lowagie.text.ExceptionConverter in project staplr by pridiltal.

the class PdfWriter method addSimplePattern.

PdfName addSimplePattern(PdfPatternPainter painter) {
    PdfName name = (PdfName) documentPatterns.get(painter);
    try {
        if (name == null) {
            name = new PdfName("P" + patternNumber);
            ++patternNumber;
            documentPatterns.put(painter, name);
        }
    } catch (Exception e) {
        throw new ExceptionConverter(e);
    }
    return name;
}