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

Example 11 with ExceptionConverter

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

the class PdfAcroForm method drawCheckBoxAppearences.

/**
 * @param field
 * @param value
 * @param llx
 * @param lly
 * @param urx
 * @param ury
 */
public void drawCheckBoxAppearences(PdfFormField field, String value, float llx, float lly, float urx, float ury) {
    BaseFont font = null;
    try {
        font = BaseFont.createFont(BaseFont.ZAPFDINGBATS, BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
    } catch (Exception e) {
        throw new ExceptionConverter(e);
    }
    float size = (ury - lly);
    PdfContentByte cb = writer.getDirectContent();
    PdfAppearance tpOn = cb.createAppearance(urx - llx, ury - lly);
    PdfAppearance tp2 = (PdfAppearance) tpOn.getDuplicate();
    tp2.setFontAndSize(font, size);
    tp2.resetRGBColorFill();
    field.setDefaultAppearanceString(tp2);
    tpOn.drawTextField(0f, 0f, urx - llx, ury - lly);
    tpOn.saveState();
    tpOn.resetRGBColorFill();
    tpOn.beginText();
    tpOn.setFontAndSize(font, size);
    tpOn.showTextAligned(PdfContentByte.ALIGN_CENTER, "4", (urx - llx) / 2, (ury - lly) / 2 - (size * 0.3f), 0);
    tpOn.endText();
    tpOn.restoreState();
    field.setAppearance(PdfAnnotation.APPEARANCE_NORMAL, value, tpOn);
    PdfAppearance tpOff = cb.createAppearance(urx - llx, ury - lly);
    tpOff.drawTextField(0f, 0f, urx - llx, ury - lly);
    field.setAppearance(PdfAnnotation.APPEARANCE_NORMAL, "Off", tpOff);
}

Example 12 with ExceptionConverter

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

the class AcroFields method splitDAelements.

private static Object[] splitDAelements(String da) {
    try {
        PRTokeniser tk = new PRTokeniser(PdfEncodings.convertToBytes(da, null));
        ArrayList stack = new ArrayList();
        Object[] ret = new Object[3];
        while (tk.nextToken()) {
            if (tk.getTokenType() == PRTokeniser.TK_COMMENT)
                continue;
            if (tk.getTokenType() == PRTokeniser.TK_OTHER) {
                String operator = tk.getStringValue();
                if (operator.equals("Tf")) {
                    if (stack.size() >= 2) {
                        ret[DA_FONT] = stack.get(stack.size() - 2);
                        ret[DA_SIZE] = new Float((String) stack.get(stack.size() - 1));
                    }
                } else if (operator.equals("g")) {
                    if (stack.size() >= 1) {
                        float gray = new Float((String) stack.get(stack.size() - 1)).floatValue();
                        if (gray != 0)
                            ret[DA_COLOR] = new GrayColor(gray);
                    }
                } else if (operator.equals("rg")) {
                    if (stack.size() >= 3) {
                        float red = new Float((String) stack.get(stack.size() - 3)).floatValue();
                        float green = new Float((String) stack.get(stack.size() - 2)).floatValue();
                        float blue = new Float((String) stack.get(stack.size() - 1)).floatValue();
                        ret[DA_COLOR] = new Color(red, green, blue);
                    }
                } else if (operator.equals("k")) {
                    if (stack.size() >= 4) {
                        float cyan = new Float((String) stack.get(stack.size() - 4)).floatValue();
                        float magenta = new Float((String) stack.get(stack.size() - 3)).floatValue();
                        float yellow = new Float((String) stack.get(stack.size() - 2)).floatValue();
                        float black = new Float((String) stack.get(stack.size() - 1)).floatValue();
                        ret[DA_COLOR] = new CMYKColor(cyan, magenta, yellow, black);
                    }
                }
                stack.clear();
            } else
                stack.add(tk.getStringValue());
        }
        return ret;
    } catch (IOException ioe) {
        throw new ExceptionConverter(ioe);
    }
}

Example 13 with ExceptionConverter

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

the class AcroFields method setFieldProperty.

/**
 * Sets a field property. Valid property names are:
 * <p>
 * <ul>
 * <li>textfont - sets the text font. The value for this entry is a <CODE>BaseFont</CODE>.<br>
 * <li>textcolor - sets the text color. The value for this entry is a <CODE>java.awt.Color</CODE>.<br>
 * <li>textsize - sets the text size. The value for this entry is a <CODE>Float</CODE>.
 * <li>bgcolor - sets the background color. The value for this entry is a <CODE>java.awt.Color</CODE>.
 *     If <code>null</code> removes the background.<br>
 * <li>bordercolor - sets the border color. The value for this entry is a <CODE>java.awt.Color</CODE>.
 *     If <code>null</code> removes the border.<br>
 * </ul>
 * @param field the field name
 * @param name the property name
 * @param value the property value
 * @param inst an array of <CODE>int</CODE> indexing into <CODE>AcroField.Item.merged</CODE> elements to process.
 * Set to <CODE>null</CODE> to process all
 * @return <CODE>true</CODE> if the property exists, <CODE>false</CODE> otherwise
 */
public boolean setFieldProperty(String field, String name, Object value, int[] inst) {
    if (writer == null)
        throw new RuntimeException("This AcroFields instance is read-only.");
    try {
        Item item = (Item) fields.get(field);
        if (item == null)
            return false;
        InstHit hit = new InstHit(inst);
        if (name.equalsIgnoreCase("textfont")) {
            for (int k = 0; k < item.merged.size(); ++k) {
                if (hit.isHit(k)) {
                    PdfString da = (PdfString) PdfReader.getPdfObject(((PdfDictionary) item.merged.get(k)).get(PdfName.DA));
                    PdfDictionary dr = (PdfDictionary) PdfReader.getPdfObject(((PdfDictionary) item.merged.get(k)).get(PdfName.DR));
                    if (da != null && dr != null) {
                        Object[] dao = splitDAelements(da.toUnicodeString());
                        PdfAppearance cb = new PdfAppearance();
                        if (dao[DA_FONT] != null) {
                            BaseFont bf = (BaseFont) value;
                            PdfName psn = (PdfName) PdfAppearance.stdFieldFontNames.get(bf.getPostscriptFontName());
                            if (psn == null) {
                                psn = new PdfName(bf.getPostscriptFontName());
                            }
                            PdfDictionary fonts = (PdfDictionary) PdfReader.getPdfObject(dr.get(PdfName.FONT));
                            if (fonts == null) {
                                fonts = new PdfDictionary();
                                dr.put(PdfName.FONT, fonts);
                            }
                            PdfIndirectReference fref = (PdfIndirectReference) fonts.get(psn);
                            PdfDictionary top = (PdfDictionary) PdfReader.getPdfObject(reader.getCatalog().get(PdfName.ACROFORM));
                            markUsed(top);
                            dr = (PdfDictionary) PdfReader.getPdfObject(top.get(PdfName.DR));
                            if (dr == null) {
                                dr = new PdfDictionary();
                                top.put(PdfName.DR, dr);
                            }
                            markUsed(dr);
                            PdfDictionary fontsTop = (PdfDictionary) PdfReader.getPdfObject(dr.get(PdfName.FONT));
                            if (fontsTop == null) {
                                fontsTop = new PdfDictionary();
                                dr.put(PdfName.FONT, fontsTop);
                            }
                            markUsed(fontsTop);
                            PdfIndirectReference frefTop = (PdfIndirectReference) fontsTop.get(psn);
                            if (frefTop != null) {
                                if (fref == null)
                                    fonts.put(psn, frefTop);
                            } else if (fref == null) {
                                FontDetails fd;
                                if (bf.getFontType() == BaseFont.FONT_TYPE_DOCUMENT) {
                                    fd = new FontDetails(null, ((DocumentFont) bf).getIndirectReference(), bf);
                                } else {
                                    bf.setSubset(false);
                                    fd = writer.addSimple(bf);
                                    localFonts.put(psn.toString().substring(1), bf);
                                }
                                fontsTop.put(psn, fd.getIndirectReference());
                                fonts.put(psn, fd.getIndirectReference());
                            }
                            ByteBuffer buf = cb.getInternalBuffer();
                            buf.append(psn.getBytes()).append(' ').append(((Float) dao[DA_SIZE]).floatValue()).append(" Tf ");
                            if (dao[DA_COLOR] != null)
                                cb.setColorFill((Color) dao[DA_COLOR]);
                            PdfString s = new PdfString(cb.toString());
                            ((PdfDictionary) item.merged.get(k)).put(PdfName.DA, s);
                            ((PdfDictionary) item.widgets.get(k)).put(PdfName.DA, s);
                            markUsed((PdfDictionary) item.widgets.get(k));
                        }
                    }
                }
            }
        } else if (name.equalsIgnoreCase("textcolor")) {
            for (int k = 0; k < item.merged.size(); ++k) {
                if (hit.isHit(k)) {
                    PdfString da = (PdfString) PdfReader.getPdfObject(((PdfDictionary) item.merged.get(k)).get(PdfName.DA));
                    if (da != null) {
                        Object[] dao = splitDAelements(da.toUnicodeString());
                        PdfAppearance cb = new PdfAppearance();
                        if (dao[DA_FONT] != null) {
                            ByteBuffer buf = cb.getInternalBuffer();
                            buf.append(new PdfName((String) dao[DA_FONT]).getBytes()).append(' ').append(((Float) dao[DA_SIZE]).floatValue()).append(" Tf ");
                            cb.setColorFill((Color) value);
                            PdfString s = new PdfString(cb.toString());
                            ((PdfDictionary) item.merged.get(k)).put(PdfName.DA, s);
                            ((PdfDictionary) item.widgets.get(k)).put(PdfName.DA, s);
                            markUsed((PdfDictionary) item.widgets.get(k));
                        }
                    }
                }
            }
        } else if (name.equalsIgnoreCase("textsize")) {
            for (int k = 0; k < item.merged.size(); ++k) {
                if (hit.isHit(k)) {
                    PdfString da = (PdfString) PdfReader.getPdfObject(((PdfDictionary) item.merged.get(k)).get(PdfName.DA));
                    if (da != null) {
                        Object[] dao = splitDAelements(da.toUnicodeString());
                        PdfAppearance cb = new PdfAppearance();
                        if (dao[DA_FONT] != null) {
                            ByteBuffer buf = cb.getInternalBuffer();
                            buf.append(new PdfName((String) dao[DA_FONT]).getBytes()).append(' ').append(((Float) value).floatValue()).append(" Tf ");
                            if (dao[DA_COLOR] != null)
                                cb.setColorFill((Color) dao[DA_COLOR]);
                            PdfString s = new PdfString(cb.toString());
                            ((PdfDictionary) item.merged.get(k)).put(PdfName.DA, s);
                            ((PdfDictionary) item.widgets.get(k)).put(PdfName.DA, s);
                            markUsed((PdfDictionary) item.widgets.get(k));
                        }
                    }
                }
            }
        } else if (name.equalsIgnoreCase("bgcolor") || name.equalsIgnoreCase("bordercolor")) {
            PdfName dname = (name.equalsIgnoreCase("bgcolor") ? PdfName.BG : PdfName.BC);
            for (int k = 0; k < item.merged.size(); ++k) {
                if (hit.isHit(k)) {
                    PdfObject obj = PdfReader.getPdfObject(((PdfDictionary) item.merged.get(k)).get(PdfName.MK));
                    markUsed(obj);
                    PdfDictionary mk = (PdfDictionary) obj;
                    if (mk == null) {
                        if (value == null)
                            return true;
                        mk = new PdfDictionary();
                        ((PdfDictionary) item.merged.get(k)).put(PdfName.MK, mk);
                        ((PdfDictionary) item.widgets.get(k)).put(PdfName.MK, mk);
                        markUsed((PdfDictionary) item.widgets.get(k));
                    }
                    if (value == null)
                        mk.remove(dname);
                    else
                        mk.put(dname, PdfFormField.getMKColor((Color) value));
                }
            }
        } else
            return false;
        return true;
    } catch (Exception e) {
        throw new ExceptionConverter(e);
    }
}

Example 14 with ExceptionConverter

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

the class PdfPKCS7 method getAuthenticatedAttributeBytes.

/**
 * When using authenticatedAttributes the authentication process is different.
 * The document digest is generated and put inside the attribute. The signing is done over the DER encoded
 * authenticatedAttributes. This method provides that encoding and the parameters must be
 * exactly the same as in {@link #getEncodedPKCS7(byte[],Calendar)}.
 * <p>
 * A simple example:
 * <p>
 * <pre>
 * Calendar cal = Calendar.getInstance();
 * PdfPKCS7 pk7 = new PdfPKCS7(key, chain, null, "SHA1", null, false);
 * MessageDigest messageDigest = MessageDigest.getInstance("SHA1");
 * byte buf[] = new byte[8192];
 * int n;
 * InputStream inp = sap.getRangeStream();
 * while ((n = inp.read(buf)) &gt; 0) {
 *    messageDigest.update(buf, 0, n);
 * }
 * byte hash[] = messageDigest.digest();
 * byte sh[] = pk7.getAuthenticatedAttributeBytes(hash, cal);
 * pk7.update(sh, 0, sh.length);
 * byte sg[] = pk7.getEncodedPKCS7(hash, cal);
 * </pre>
 * @param secondDigest the content digest
 * @param signingTime the signing time
 * @return the byte array representation of the authenticatedAttributes ready to be signed
 */
public byte[] getAuthenticatedAttributeBytes(byte[] secondDigest, Calendar signingTime) {
    try {
        ASN1EncodableVector attribute = new ASN1EncodableVector();
        ASN1EncodableVector v = new ASN1EncodableVector();
        v.add(new ASN1ObjectIdentifier(ID_CONTENT_TYPE));
        v.add(new DERSet(new ASN1ObjectIdentifier(ID_PKCS7_DATA)));
        attribute.add(new DERSequence(v));
        v = new ASN1EncodableVector();
        v.add(new ASN1ObjectIdentifier(ID_SIGNING_TIME));
        v.add(new DERSet(new DERUTCTime(signingTime.getTime())));
        attribute.add(new DERSequence(v));
        v = new ASN1EncodableVector();
        v.add(new ASN1ObjectIdentifier(ID_MESSAGE_DIGEST));
        v.add(new DERSet(new DEROctetString(secondDigest)));
        attribute.add(new DERSequence(v));
        ByteArrayOutputStream bOut = new ByteArrayOutputStream();
        ASN1OutputStream dout = new ASN1OutputStream(bOut);
        dout.writeObject(new DERSet(attribute));
        dout.close();
        return bOut.toByteArray();
    } catch (Exception e) {
        throw new ExceptionConverter(e);
    }
}

Example 15 with ExceptionConverter

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

the class PdfPKCS7 method setExternalDigest.

/**
 * Sets the digest/signature to an external calculated value.
 * @param digest the digest. This is the actual signature
 * @param RSAdata the extra data that goes into the data tag in PKCS#7
 * @param digestEncryptionAlgorithm the encryption algorithm. It may must be <CODE>null</CODE> if the <CODE>digest</CODE>
 * is also <CODE>null</CODE>. If the <CODE>digest</CODE> is not <CODE>null</CODE>
 * then it may be "RSA" or "DSA"
 */
public void setExternalDigest(byte[] digest, byte[] RSAdata, String digestEncryptionAlgorithm) {
    externalDigest = digest;
    externalRSAdata = RSAdata;
    if (digestEncryptionAlgorithm != null) {
        if (digestEncryptionAlgorithm.equals("RSA")) {
            this.digestEncryptionAlgorithm = ID_RSA;
        } else if (digestEncryptionAlgorithm.equals("DSA")) {
            this.digestEncryptionAlgorithm = ID_DSA;
        } else
            throw new ExceptionConverter(new NoSuchAlgorithmException("Unknown Key Algorithm " + digestEncryptionAlgorithm));
    }
}