/**
   * Update the ranks in the csv file when the tweet is already in the base but saved with another
   * mark
   *
   * @param mark : note of the tweet
   * @param row : line of the tweet in the base
   * @throws IOException
   */
  public static void updateCSV(int mark, int row) throws IOException {
    CSVReader reader = new CSVReader(new FileReader(AppliSettings.filename), ';');
    List<String[]> csvBody = reader.readAll();
    csvBody.get(row)[4] = Integer.toString(mark);
    reader.close();

    CSVWriter writer = new CSVWriter(new FileWriter(AppliSettings.filename), ';');
    writer.writeAll(csvBody);
    writer.flush();
    writer.close();
  }
  /** Data cleansing method */
  public void cleanseData(AmazonS3 client) throws Exception {

    AwsDataLoader loader = new AwsDataLoader();
    CSVReader reader = null;
    String prefix = loader.getS3Prefix(source);
    client.setEndpoint(S3_ENDPOINT);
    S3Object object = client.getObject(new GetObjectRequest(BUCKET_NM, prefix));
    reader =
        new CSVReader(
            new BufferedReader(new InputStreamReader(object.getObjectContent())),
            CSVParser.DEFAULT_SEPARATOR,
            CSVParser.DEFAULT_QUOTE_CHARACTER,
            CSVParser.DEFAULT_ESCAPE_CHARACTER,
            HEADERS_LINE);
    ColumnPositionMappingStrategy<ProductLanguage> strat =
        new ColumnPositionMappingStrategy<ProductLanguage>();
    strat.setType(ProductLanguage.class);
    String[] columns =
        new String[] {"refId", "code", "name", "locale", "state", "format", "displayNameLanguage"};
    strat.setColumnMapping(columns);
    CsvToBean<ProductLanguage> csv = new CsvToBean<ProductLanguage>();
    list = csv.parse(strat, reader);

    System.out.println("ProductLanguageCleanser input size: " + list.size());

    this.updateDataset(list);

    BeanToCsv<ProductLanguage> csvWriter = new BeanToCsv<ProductLanguage>();
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    CSVWriter writer = new CSVWriter(new OutputStreamWriter(os), ',', '"');
    // strat.setColumnMapping(columns);
    log.info("List size: " + list.size());
    csvWriter.write(strat, writer, list);
    writer.flush();
    String dataset = os.toString();
    String outPrefix = PREFIX + OUTPUT_KEY + source + ".csv";

    client.setEndpoint(S3_ENDPOINT);
    ObjectMetadata omd = new ObjectMetadata();

    try {
      byte[] content = dataset.getBytes(StandardCharsets.UTF_8);
      ByteArrayInputStream input = new ByteArrayInputStream(content);
      BufferedReader buffReader = new BufferedReader(new InputStreamReader(input));
      buffReader.readLine();
      InputStream inputObj = new ReaderInputStream(buffReader);
      // omd.setContentLength(IOUtils.toByteArray(input).length);
      client.putObject(BUCKET_NM, outPrefix, inputObj, omd);
      input.close();
    } catch (IOException e) {
      log.error("Axon data write to s3 failed: " + e.getMessage());
    }
  }
Exemple #3
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  public void write(final String filename, final List<Payslip> payslips) {
    try (CSVWriter writer = new CSVWriter(new FileWriter(filename))) {
      final String[] headers =
          "Name,Start date,End date,Gross income,Income tax,Net income,Super,Error".split(",");
      writer.writeNext(headers);

      payslips.forEach(
          payslip -> {
            final String[] record = payslip.toString().split(",", -1);
            writer.writeNext(record);
          });
      writer.flush();
    } catch (final IOException e) {
      throw new IllegalStateException("Error occurred when writing to file " + filename, e);
    }
  }
  @RequestMapping("/events/{eventName}/sponsor-scan/export.csv")
  public void downloadSponsorScanExport(
      @PathVariable("eventName") String eventName,
      HttpServletResponse response,
      Principal principal)
      throws IOException {
    Event event = loadEvent(eventName, principal);
    List<TicketFieldConfiguration> fields =
        ticketFieldRepository.findAdditionalFieldsForEvent(event.getId());

    response.setContentType("text/csv;charset=UTF-8");
    response.setHeader(
        "Content-Disposition", "attachment; filename=" + eventName + "-sponsor-scan.csv");

    try (ServletOutputStream out = response.getOutputStream();
        CSVWriter writer = new CSVWriter(new OutputStreamWriter(out))) {
      for (int marker : BOM_MARKERS) {
        out.write(marker);
      }

      List<String> header = new ArrayList<>();
      header.add("Username");
      header.add("Timestamp");
      header.add("Full name");
      header.add("Email");
      header.addAll(
          fields.stream().map(TicketFieldConfiguration::getName).collect(Collectors.toList()));
      writer.writeNext(header.toArray(new String[header.size()]));
      userManager
          .findAllUsers(principal.getName())
          .stream()
          .map(u -> Pair.of(u, userManager.getUserRole(u)))
          .filter(p -> p.getRight() == Role.SPONSOR)
          .flatMap(
              p ->
                  sponsorScanRepository
                      .loadSponsorData(
                          event.getId(),
                          p.getKey().getId(),
                          SponsorScanRepository.DEFAULT_TIMESTAMP)
                      .stream()
                      .map(
                          v ->
                              Pair.of(
                                  v,
                                  ticketFieldRepository.findAllValuesForTicketId(
                                      v.getTicket().getId()))))
          .map(
              p -> {
                DetailedScanData data = p.getLeft();
                Map<String, String> descriptions = p.getRight();
                return Pair.of(
                    data,
                    fields
                        .stream()
                        .map(x -> descriptions.getOrDefault(x.getName(), ""))
                        .collect(Collectors.toList()));
              })
          .map(
              p -> {
                List<String> line = new ArrayList<>();
                Ticket ticket = p.getLeft().getTicket();
                SponsorScan sponsorScan = p.getLeft().getSponsorScan();
                line.add(userManager.findUser(sponsorScan.getUserId()).getUsername());
                line.add(sponsorScan.getTimestamp().toString());
                line.add(ticket.getFullName());
                line.add(ticket.getEmail());
                line.addAll(p.getRight());
                return line.toArray(new String[line.size()]);
              })
          .forEachOrdered(writer::writeNext);
      writer.flush();
      out.flush();
    }
  }
  @RequestMapping("/events/{eventName}/export.csv")
  public void downloadAllTicketsCSV(
      @PathVariable("eventName") String eventName,
      HttpServletRequest request,
      HttpServletResponse response,
      Principal principal)
      throws IOException {
    List<String> fields =
        Arrays.asList(
            Optional.ofNullable(request.getParameterValues("fields")).orElse(new String[] {}));
    Event event = loadEvent(eventName, principal);
    Map<Integer, TicketCategory> categoriesMap =
        eventManager
            .loadTicketCategories(event)
            .stream()
            .collect(Collectors.toMap(TicketCategory::getId, Function.identity()));
    ZoneId eventZoneId = event.getZoneId();

    Predicate<String> contains = FIXED_FIELDS::contains;

    response.setContentType("text/csv;charset=UTF-8");
    response.setHeader("Content-Disposition", "attachment; filename=" + eventName + "-export.csv");

    try (ServletOutputStream out = response.getOutputStream();
        CSVWriter writer = new CSVWriter(new OutputStreamWriter(out))) {

      for (int marker :
          BOM_MARKERS) { // UGLY-MODE_ON: specify that the file is written in UTF-8 with BOM, thanks
                         // to alexr http://stackoverflow.com/a/4192897
        out.write(marker);
      }

      writer.writeNext(fields.toArray(new String[fields.size()]));

      eventManager
          .findAllConfirmedTickets(eventName, principal.getName())
          .stream()
          .map(
              t -> {
                List<String> line = new ArrayList<>();
                if (fields.contains("ID")) {
                  line.add(t.getUuid());
                }
                if (fields.contains("creation")) {
                  line.add(t.getCreation().withZoneSameInstant(eventZoneId).toString());
                }
                if (fields.contains("category")) {
                  line.add(categoriesMap.get(t.getCategoryId()).getName());
                }
                if (fields.contains("event")) {
                  line.add(eventName);
                }
                if (fields.contains("status")) {
                  line.add(t.getStatus().toString());
                }
                if (fields.contains("originalPrice")) {
                  line.add(MonetaryUtil.centsToUnit(t.getSrcPriceCts()).toString());
                }
                if (fields.contains("paidPrice")) {
                  line.add(MonetaryUtil.centsToUnit(t.getFinalPriceCts()).toString());
                }
                if (fields.contains("discount")) {
                  line.add(MonetaryUtil.centsToUnit(t.getDiscountCts()).toString());
                }
                if (fields.contains("vat")) {
                  line.add(MonetaryUtil.centsToUnit(t.getVatCts()).toString());
                }
                if (fields.contains("reservationID")) {
                  line.add(t.getTicketsReservationId());
                }
                if (fields.contains("Full Name")) {
                  line.add(t.getFullName());
                }
                if (fields.contains("First Name")) {
                  line.add(t.getFirstName());
                }
                if (fields.contains("Last Name")) {
                  line.add(t.getLastName());
                }
                if (fields.contains("E-Mail")) {
                  line.add(t.getEmail());
                }
                if (fields.contains("locked")) {
                  line.add(String.valueOf(t.getLockedAssignment()));
                }
                if (fields.contains("Language")) {
                  line.add(String.valueOf(t.getUserLanguage()));
                }

                // obviously not optimized
                Map<String, String> additionalValues =
                    ticketFieldRepository.findAllValuesForTicketId(t.getId());

                fields
                    .stream()
                    .filter(contains.negate())
                    .forEachOrdered(
                        field -> {
                          line.add(additionalValues.getOrDefault(field, "").replaceAll("\"", ""));
                        });

                return line.toArray(new String[line.size()]);
              })
          .forEachOrdered(writer::writeNext);
      writer.flush();
      out.flush();
    }
  }