private static PdfReader createPdf(
String globalTitle, Date creationDate, ScrambleRequest scrambleRequest)
throws DocumentException, IOException {
azzert(scrambleRequest.scrambles.length > 0);
ByteArrayOutputStream pdfOut = new ByteArrayOutputStream();
Rectangle pageSize = PageSize.LETTER;
Document doc = new Document(pageSize, 0, 0, 75, 75);
PdfWriter docWriter = PdfWriter.getInstance(doc, pdfOut);
docWriter.setBoxSize(
"art", new Rectangle(36, 54, pageSize.getWidth() - 36, pageSize.getHeight() - 54));
doc.addCreationDate();
doc.addProducer();
if (globalTitle != null) {
doc.addTitle(globalTitle);
}
doc.open();
// Note that we ignore scrambleRequest.copies here.
addScrambles(docWriter, doc, scrambleRequest, globalTitle);
doc.close();
// TODO - is there a better way to convert from a PdfWriter to a PdfReader?
PdfReader pr = new PdfReader(pdfOut.toByteArray());
if (scrambleRequest.fmc) {
// We don't watermark the FMC sheets because they already have
// the competition name on them.
return pr;
}
pdfOut = new ByteArrayOutputStream();
doc = new Document(pageSize, 0, 0, 75, 75);
docWriter = PdfWriter.getInstance(doc, pdfOut);
doc.open();
PdfContentByte cb = docWriter.getDirectContent();
for (int pageN = 1; pageN <= pr.getNumberOfPages(); pageN++) {
PdfImportedPage page = docWriter.getImportedPage(pr, pageN);
doc.newPage();
cb.addTemplate(page, 0, 0);
Rectangle rect = pr.getBoxSize(pageN, "art");
// Header
ColumnText.showTextAligned(
cb,
Element.ALIGN_LEFT,
new Phrase(Utils.SDF.format(creationDate)),
rect.getLeft(),
rect.getTop(),
0);
ColumnText.showTextAligned(
cb,
Element.ALIGN_CENTER,
new Phrase(globalTitle),
(pageSize.getLeft() + pageSize.getRight()) / 2,
pageSize.getTop() - 60,
0);
ColumnText.showTextAligned(
cb,
Element.ALIGN_CENTER,
new Phrase(scrambleRequest.title),
(pageSize.getLeft() + pageSize.getRight()) / 2,
pageSize.getTop() - 45,
0);
if (pr.getNumberOfPages() > 1) {
ColumnText.showTextAligned(
cb,
Element.ALIGN_RIGHT,
new Phrase(pageN + "/" + pr.getNumberOfPages()),
rect.getRight(),
rect.getTop(),
0);
}
// Footer
String generatedBy = "Generated by " + Utils.getProjectName() + "-" + Utils.getVersion();
ColumnText.showTextAligned(
cb,
Element.ALIGN_CENTER,
new Phrase(generatedBy),
(pageSize.getLeft() + pageSize.getRight()) / 2,
pageSize.getBottom() + 40,
0);
}
doc.close();
// TODO - is there a better way to convert from a PdfWriter to a PdfReader?
pr = new PdfReader(pdfOut.toByteArray());
return pr;
// The PdfStamper class doesn't seem to be working.
// pdfOut = new ByteArrayOutputStream();
// PdfStamper ps = new PdfStamper(pr, pdfOut);
//
// for(int pageN = 1; pageN <= pr.getNumberOfPages(); pageN++) {
// PdfContentByte pb = ps.getUnderContent(pageN);
// Rectangle rect = pr.getBoxSize(pageN, "art");
// System.out.println(rect.getLeft());
// System.out.println(rect.getWidth());
// ColumnText.showTextAligned(pb,
// Element.ALIGN_LEFT, new Phrase("Hello people!"), 36, 540, 0);
//// ColumnText.showTextAligned(pb,
//// Element.ALIGN_CENTER, new Phrase("HELLO WORLD"),
//// (rect.getLeft() + rect.getRight()) / 2, rect.getTop(), 0);
// }
// ps.close();
// return ps.getReader();
}
public static ByteArrayOutputStream requestsToZip(
ServletContext context,
String globalTitle,
Date generationDate,
ScrambleRequest[] scrambleRequests,
String password,
String generationUrl)
throws IOException, DocumentException, ZipException {
ByteArrayOutputStream baosZip = new ByteArrayOutputStream();
ZipParameters parameters = new ZipParameters();
parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);
parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL);
if (password != null) {
parameters.setEncryptFiles(true);
parameters.setEncryptionMethod(Zip4jConstants.ENC_METHOD_STANDARD);
parameters.setPassword(password);
}
parameters.setSourceExternalStream(true);
ZipOutputStream zipOut = new ZipOutputStream(baosZip);
HashMap<String, Boolean> seenTitles = new HashMap<String, Boolean>();
for (ScrambleRequest scrambleRequest : scrambleRequests) {
String safeTitle = toFileSafeString(scrambleRequest.title);
int salt = 0;
String tempNewSafeTitle = safeTitle;
while (seenTitles.get(tempNewSafeTitle) != null) {
tempNewSafeTitle = safeTitle + " (" + (++salt) + ")";
}
safeTitle = tempNewSafeTitle;
seenTitles.put(safeTitle, true);
String pdfFileName = "pdf/" + safeTitle + ".pdf";
parameters.setFileNameInZip(pdfFileName);
zipOut.putNextEntry(null, parameters);
PdfReader pdfReader = createPdf(globalTitle, generationDate, scrambleRequest);
byte[] b = new byte[(int) pdfReader.getFileLength()];
pdfReader.getSafeFile().readFully(b);
zipOut.write(b);
zipOut.closeEntry();
String txtFileName = "txt/" + safeTitle + ".txt";
parameters.setFileNameInZip(txtFileName);
zipOut.putNextEntry(null, parameters);
zipOut.write(join(stripNewlines(scrambleRequest.getAllScrambles()), "\r\n").getBytes());
zipOut.closeEntry();
}
String safeGlobalTitle = toFileSafeString(globalTitle);
String jsonFileName = safeGlobalTitle + ".json";
parameters.setFileNameInZip(jsonFileName);
zipOut.putNextEntry(null, parameters);
HashMap<String, Object> jsonObj = new HashMap<String, Object>();
jsonObj.put("sheets", scrambleRequests);
jsonObj.put("competitionName", globalTitle);
jsonObj.put("version", Utils.getProjectName() + "-" + Utils.getVersion());
jsonObj.put("generationDate", generationDate);
jsonObj.put("generationUrl", generationUrl);
String json = GSON.toJson(jsonObj);
zipOut.write(json.getBytes());
zipOut.closeEntry();
String jsonpFileName = safeGlobalTitle + ".jsonp";
parameters.setFileNameInZip(jsonpFileName);
zipOut.putNextEntry(null, parameters);
String jsonp = "var SCRAMBLES_JSON = " + json + ";";
zipOut.write(jsonp.getBytes());
zipOut.closeEntry();
parameters.setFileNameInZip(safeGlobalTitle + ".html");
zipOut.putNextEntry(null, parameters);
InputStream is = context.getResourceAsStream(HTML_SCRAMBLE_VIEWER);
BufferedReader in = new BufferedReader(new InputStreamReader(is));
StringBuilder sb = new StringBuilder();
String line;
while ((line = in.readLine()) != null) {
line = line.replaceAll("%SCRAMBLES_JSONP_FILENAME%", jsonpFileName);
sb.append(line).append("\n");
}
zipOut.write(sb.toString().getBytes());
zipOut.closeEntry();
parameters.setFileNameInZip(safeGlobalTitle + ".pdf");
zipOut.putNextEntry(null, parameters);
// Note that we're not passing the password into this function. It seems pretty silly
// to put a password protected pdf inside of a password protected zip file.
ByteArrayOutputStream baos = requestsToPdf(globalTitle, generationDate, scrambleRequests, null);
zipOut.write(baos.toByteArray());
zipOut.closeEntry();
zipOut.finish();
zipOut.close();
return baosZip;
}
