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;
  }