List of usage examples for com.lowagie.text Meta Meta
public Meta(String tag, String content)
Meta. From source file:org.allcolor.yahp.cl.converter.CDocumentReconstructor.java
License:Open Source License
/** * construct a pdf document from pdf parts. * // ww w . j a v a2 s. c o m * @param files * list containing the pdf to assemble * @param properties * converter properties * @param fout * outputstream to write the new pdf * @param base_url * base url of the document * @param producer * producer of the pdf * * @throws CConvertException * if an error occured while reconstruct. */ public static void reconstruct(final List files, final Map properties, final OutputStream fout, final String base_url, final String producer, final PageSize[] size, final List hf) throws CConvertException { OutputStream out = fout; OutputStream out2 = fout; boolean signed = false; OutputStream oldOut = null; File tmp = null; File tmp2 = null; try { tmp = File.createTempFile("yahp", "pdf"); tmp2 = File.createTempFile("yahp", "pdf"); oldOut = out; if ("true".equals(properties.get(IHtmlToPdfTransformer.USE_PDF_SIGNING))) { signed = true; out2 = new FileOutputStream(tmp2); } // end if else { out2 = oldOut; } out = new FileOutputStream(tmp); com.lowagie.text.Document document = null; PdfCopy writer = null; boolean first = true; Map mapSizeDoc = new HashMap(); int totalPage = 0; for (int i = 0; i < files.size(); i++) { final File fPDF = (File) files.get(i); final PdfReader reader = new PdfReader(fPDF.getAbsolutePath()); reader.consolidateNamedDestinations(); final int n = reader.getNumberOfPages(); if (first) { first = false; // step 1: creation of a document-object // set title/creator/author document = new com.lowagie.text.Document(reader.getPageSizeWithRotation(1)); // step 2: we create a writer that listens to the document writer = new PdfCopy(document, out); // use pdf version 1.5 writer.setPdfVersion(PdfWriter.VERSION_1_3); // compress the pdf writer.setFullCompression(); // check if encryption is needed if ("true".equals(properties.get(IHtmlToPdfTransformer.USE_PDF_ENCRYPTION))) { final String password = (String) properties .get(IHtmlToPdfTransformer.PDF_ENCRYPTION_PASSWORD); final int securityType = CDocumentReconstructor.getSecurityFlags(properties); writer.setEncryption(PdfWriter.STANDARD_ENCRYPTION_128, password, null, securityType); } // end if final String title = (String) properties.get(IHtmlToPdfTransformer.PDF_TITLE); if (title != null) { document.addTitle(title); } // end if else if (base_url != null) { document.addTitle(base_url); } // end else if final String creator = (String) properties.get(IHtmlToPdfTransformer.PDF_CREATOR); if (creator != null) { document.addCreator(creator); } // end if else { document.addCreator(IHtmlToPdfTransformer.VERSION); } // end else final String author = (String) properties.get(IHtmlToPdfTransformer.PDF_AUTHOR); if (author != null) { document.addAuthor(author); } // end if final String sproducer = (String) properties.get(IHtmlToPdfTransformer.PDF_PRODUCER); if (sproducer != null) { document.add(new Meta("Producer", sproducer)); } // end if else { document.add(new Meta("Producer", (IHtmlToPdfTransformer.VERSION + " - http://www.allcolor.org/YaHPConverter/ - " + producer))); } // end else // step 3: we open the document document.open(); } // end if PdfImportedPage page; for (int j = 0; j < n;) { ++j; totalPage++; mapSizeDoc.put("" + totalPage, "" + i); page = writer.getImportedPage(reader, j); writer.addPage(page); } // end for } // end for document.close(); out.flush(); out.close(); { final PdfReader reader = new PdfReader(tmp.getAbsolutePath()); ; final int n = reader.getNumberOfPages(); final PdfStamper stp = new PdfStamper(reader, out2); int i = 0; BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI, BaseFont.EMBEDDED); final CHtmlToPdfFlyingSaucerTransformer trans = new CHtmlToPdfFlyingSaucerTransformer(); while (i < n) { i++; int indexSize = Integer.parseInt((String) mapSizeDoc.get("" + i)); final int[] dsize = size[indexSize].getSize(); final int[] dmargin = size[indexSize].getMargin(); for (final Iterator it = hf.iterator(); it.hasNext();) { final CHeaderFooter chf = (CHeaderFooter) it.next(); if (chf.getSfor().equals(CHeaderFooter.ODD_PAGES) && (i % 2 == 0)) { continue; } else if (chf.getSfor().equals(CHeaderFooter.EVEN_PAGES) && (i % 2 != 0)) { continue; } final String text = chf.getContent().replaceAll("<pagenumber>", "" + i) .replaceAll("<pagecount>", "" + n); // text over the existing page final PdfContentByte over = stp.getOverContent(i); final ByteArrayOutputStream bbout = new ByteArrayOutputStream(); if (chf.getType().equals(CHeaderFooter.HEADER)) { trans.transform(new ByteArrayInputStream(text.getBytes("utf-8")), base_url, new PageSize(dsize[0] - (dmargin[0] + dmargin[1]), dmargin[3]), new ArrayList(), properties, bbout); } else if (chf.getType().equals(CHeaderFooter.FOOTER)) { trans.transform(new ByteArrayInputStream(text.getBytes("utf-8")), base_url, new PageSize(dsize[0] - (dmargin[0] + dmargin[1]), dmargin[2]), new ArrayList(), properties, bbout); } final PdfReader readerHF = new PdfReader(bbout.toByteArray()); if (chf.getType().equals(CHeaderFooter.HEADER)) { over.addTemplate(stp.getImportedPage(readerHF, 1), dmargin[0], dsize[1] - dmargin[3]); } else if (chf.getType().equals(CHeaderFooter.FOOTER)) { over.addTemplate(stp.getImportedPage(readerHF, 1), dmargin[0], 0); } readerHF.close(); } } stp.close(); } try { out2.flush(); } catch (Exception ignore) { } finally { try { out2.close(); } catch (Exception ignore) { } } if (signed) { final String keypassword = (String) properties .get(IHtmlToPdfTransformer.PDF_SIGNING_PRIVATE_KEY_PASSWORD); final String password = (String) properties.get(IHtmlToPdfTransformer.PDF_ENCRYPTION_PASSWORD); final String keyStorepassword = (String) properties .get(IHtmlToPdfTransformer.PDF_SIGNING_KEYSTORE_PASSWORD); final String privateKeyFile = (String) properties .get(IHtmlToPdfTransformer.PDF_SIGNING_PRIVATE_KEY_FILE); final String reason = (String) properties.get(IHtmlToPdfTransformer.PDF_SIGNING_REASON); final String location = (String) properties.get(IHtmlToPdfTransformer.PDF_SIGNING_LOCATION); final boolean selfSigned = !"false" .equals(properties.get(IHtmlToPdfTransformer.USE_PDF_SELF_SIGNING)); PdfReader reader = null; if (password != null) { reader = new PdfReader(tmp2.getAbsolutePath(), password.getBytes()); } // end if else { reader = new PdfReader(tmp2.getAbsolutePath()); } // end else final KeyStore ks = selfSigned ? KeyStore.getInstance(KeyStore.getDefaultType()) : KeyStore.getInstance("pkcs12"); ks.load(new FileInputStream(privateKeyFile), keyStorepassword.toCharArray()); final String alias = (String) ks.aliases().nextElement(); final PrivateKey key = (PrivateKey) ks.getKey(alias, keypassword.toCharArray()); final Certificate chain[] = ks.getCertificateChain(alias); final PdfStamper stp = PdfStamper.createSignature(reader, oldOut, '\0'); if ("true".equals(properties.get(IHtmlToPdfTransformer.USE_PDF_ENCRYPTION))) { stp.setEncryption(PdfWriter.STANDARD_ENCRYPTION_128, password, null, CDocumentReconstructor.getSecurityFlags(properties)); } // end if final PdfSignatureAppearance sap = stp.getSignatureAppearance(); if (selfSigned) { sap.setCrypto(key, chain, null, PdfSignatureAppearance.SELF_SIGNED); } // end if else { sap.setCrypto(key, chain, null, PdfSignatureAppearance.WINCER_SIGNED); } // end else if (reason != null) { sap.setReason(reason); } // end if if (location != null) { sap.setLocation(location); } // end if stp.close(); oldOut.flush(); } // end if } // end try catch (final Exception e) { throw new CConvertException( "ERROR: An Exception occured while reconstructing the pdf document: " + e.getMessage(), e); } // end catch finally { try { tmp.delete(); } // end try catch (final Exception ignore) { } try { tmp2.delete(); } // end try catch (final Exception ignore) { } } // end finally }