@Override
 public void exportCSV(String outputFile) {
   List<Schedule> data = getSchedule();
   FileWriter fileWriter = null;
   CSVPrinter csvFilePrinter = null;
   try {
     fileWriter = new FileWriter(outputFile);
     csvFilePrinter = new CSVPrinter(fileWriter, CSVFormat.DEFAULT.withRecordSeparator("\n"));
     for (int i = 0; i < data.size(); i++) {
       List<Object> line = new ArrayList<>();
       for (Field field : Schedule.class.getDeclaredFields()) {
         field.setAccessible(true);
         Object value = field.get(data.get(i));
         line.add(value);
       }
       csvFilePrinter.printRecord(line);
     }
   } catch (IOException | IllegalAccessException e) {
     e.printStackTrace();
   } finally {
     try {
       if (fileWriter != null) {
         fileWriter.flush();
         fileWriter.close();
       }
       if (csvFilePrinter != null) {
         csvFilePrinter.close();
       }
     } catch (IOException e) {
       e.printStackTrace();
     }
   }
 }
  /**
   * default settings delimiter = ',' quoteChar = '"', escape = null recordSeparator = CRLF, CR, or
   * LF ignore empty lines allows the last data line to have a recordSeparator
   *
   * @return CSVFormat based on constructor settings.
   */
  private CSVFormat buildFormat() {
    CSVFormat format =
        CSVFormat.DEFAULT
            .withIgnoreEmptyLines(true)
            .withDelimiter(asControlCharacter(fieldDelimiter))
            .withQuoteChar(asControlCharacter(quoteCharacter));

    if (escapeCharacter != null) {
      format = format.withEscape(asControlCharacter(escapeCharacter));
    }

    switch (headerSource) {
      case FROM_TABLE:
        // obtain headers from table, so format should not expect a header.
        break;
      case IN_LINE:
        // an empty string array triggers csv loader to grab the first line as the header
        format = format.withHeader(new String[0]);
        break;
      case SUPPLIED_BY_USER:
        // a populated string array supplied by the user
        format = format.withHeader(columns.toArray(new String[columns.size()]));
        break;
      default:
        throw new RuntimeException("Header source was unable to be inferred.");
    }
    return format;
  }
  /**
   * CSV reader that waits for a 2 columns csv files with or without a header. If less than 2
   * columns ==> exception, otherwise, the 3rd and following columns are ignored
   *
   * @param in
   * @param hasHeader
   * @param inputDatetimeFormat input date format
   * @return
   * @throws IOException
   * @throws IllegalArgumentException
   * @throws ArrayIndexOutOfBoundsException
   */
  public static List<Record> load(
      Reader in, boolean hasHeader, DateTimeFormatter inputDatetimeFormat) throws IOException {

    List<Record> records = new ArrayList<>();
    for (CSVRecord record : CSVFormat.DEFAULT.parse(in)) {
      try {
        if (!hasHeader) {
          StandardRecord event = new StandardRecord("sensors");
          event.setField(
              TIMESTAMP_KEY,
              FieldType.LONG,
              inputDatetimeFormat
                  .withZone(DateTimeZone.UTC)
                  .parseDateTime(record.get(0))
                  .getMillis());
          event.setField(VALUE_KEY, FieldType.DOUBLE, Double.parseDouble(record.get(1)));

          records.add(event);
        } else {
          TIMESTAMP_KEY = record.get(0);
          VALUE_KEY = record.get(1);
        }

        hasHeader = false;
      } catch (Exception e) {
        logger.error("Parsing error " + e.getMessage());
        throw new RuntimeException("parsing error", e);
      }
    }

    return records;
  }
 CsvLineParser(char fieldDelimiter, char quote, char escape) {
   this.csvFormat =
       CSVFormat.DEFAULT
           .withIgnoreEmptyLines(true)
           .withDelimiter(fieldDelimiter)
           .withEscape(escape)
           .withQuote(quote);
 }
Beispiel #5
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 @Test
 public void testWithHeader() throws Exception {
   final String[] header = new String[] {"one", "two", "three"};
   // withHeader() makes a copy of the header array.
   final CSVFormat formatWithHeader = CSVFormat.DEFAULT.withHeader(header);
   assertArrayEquals(header, formatWithHeader.getHeader());
   assertNotSame(header, formatWithHeader.getHeader());
 }
Beispiel #6
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  @SuppressWarnings("boxing") // no need to worry about boxing here
  @Test
  public void testSerialization() throws Exception {
    final ByteArrayOutputStream out = new ByteArrayOutputStream();

    try (final ObjectOutputStream oos = new ObjectOutputStream(out)) {
      oos.writeObject(CSVFormat.DEFAULT);
      oos.flush();
    }

    final ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(out.toByteArray()));
    final CSVFormat format = (CSVFormat) in.readObject();

    assertNotNull(format);
    assertEquals("delimiter", CSVFormat.DEFAULT.getDelimiter(), format.getDelimiter());
    assertEquals("encapsulator", CSVFormat.DEFAULT.getQuoteCharacter(), format.getQuoteCharacter());
    assertEquals("comment start", CSVFormat.DEFAULT.getCommentMarker(), format.getCommentMarker());
    assertEquals(
        "record separator", CSVFormat.DEFAULT.getRecordSeparator(), format.getRecordSeparator());
    assertEquals("escape", CSVFormat.DEFAULT.getEscapeCharacter(), format.getEscapeCharacter());
    assertEquals(
        "trim",
        CSVFormat.DEFAULT.getIgnoreSurroundingSpaces(),
        format.getIgnoreSurroundingSpaces());
    assertEquals(
        "empty lines", CSVFormat.DEFAULT.getIgnoreEmptyLines(), format.getIgnoreEmptyLines());
  }
Beispiel #7
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 public CSVFormat getCSVFormat() {
   return CSVFormat.DEFAULT
       .withDelimiter(delimiter)
       .withRecordSeparator(recordSeparator)
       .withNullString(nullString)
       .withEscape(escapeCharacter)
       .withQuote(quoteCharacter)
       .withQuoteMode(quoteMode);
 }
  public static void main(String[] args) {
    // 要导入数据库的文档
    List<Document> docList = new ArrayList<Document>();
    File inFile = new File(IN_PATH);
    CSVFormat format = CSVFormat.DEFAULT.withRecordSeparator('\n'); // 每条记录间隔符
    if (!inFile.exists()) {
      throw new RuntimeException("原始输入文件不存在!");
    }

    Reader reader = null;
    CSVParser parser = null;
    try {
      reader = new InputStreamReader(new FileInputStream(inFile), "utf-8");
      parser = new CSVParser(reader, format);
    } catch (IOException e) {
      throw new RuntimeException("Csv File output preparing fails", e);
    }

    Iterator<CSVRecord> iterator = parser.iterator();
    while (iterator.hasNext()) {
      CSVRecord record = iterator.next();
      Iterator<String> iterator2 = record.iterator();
      boolean isTarget = true;
      String target = null;
      while (iterator2.hasNext()) {
        if (isTarget) {
          target = iterator2.next();
          isTarget = false;
          continue;
        }
        String[] recAndScore = iterator2.next().trim().split("\\|");
        if (recAndScore.length == 3) {
          String rec = recAndScore[0];
          String score = recAndScore[1];
          String cosine = recAndScore[2];

          Map<String, Object> map = new HashMap<String, Object>();
          map.put("target", target);
          map.put("rec", rec);
          map.put("score", Double.valueOf(score));
          map.put("cosine", Double.valueOf(cosine));
          docList.add(new Document(map));
        }
      }
    }

    System.out.println(docList.size());

    try {
      parser.close();
      reader.close();
    } catch (IOException e) {
      e.printStackTrace();
    }

    importToMongoDB(MONGO_HOST, MONGO_PORT, DATABASE, COLLECTION, docList);
  }
 public TradingDataResource(final URL locatorBase, final String strategy) {
   super("Trading Data", locatorBase);
   this.strategy = strategy;
   this.csvFormat =
       CSVFormat.DEFAULT
           .withRecordSeparator(
               ApplicationContext.getInstance()
                   .getConfigurationResource()
                   .getDefaultCsvRecordSeparator())
           .withHeader();
 }
Beispiel #10
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 @Test
 public void testGetHeader() throws Exception {
   final String[] header = new String[] {"one", "two", "three"};
   final CSVFormat formatWithHeader = CSVFormat.DEFAULT.withHeader(header);
   // getHeader() makes a copy of the header array.
   final String[] headerCopy = formatWithHeader.getHeader();
   headerCopy[0] = "A";
   headerCopy[1] = "B";
   headerCopy[2] = "C";
   assertFalse(Arrays.equals(formatWithHeader.getHeader(), headerCopy));
   assertNotSame(formatWithHeader.getHeader(), headerCopy);
 }
 private List<Measurement> readMeasurements(String measurementCsvLocation) {
   List<Measurement> measurements = new ArrayList<>();
   try (Reader in = new FileReader(measurementCsvLocation)) {
     Iterable<CSVRecord> records = CSVFormat.DEFAULT.withDelimiter(';').parse(in);
     for (CSVRecord record : records) {
       Long timeStamp = Long.parseLong(record.get(0));
       Double temperature = Double.parseDouble(record.get(1));
       measurements.add(new Measurement(timeStamp, temperature));
     }
   } catch (IOException e) {
     e.printStackTrace();
   }
   return measurements;
 }
  @Test
  public void testApacheCommonCsvMapping() throws Exception {
    StringReader stringReader = new StringReader("foo,bar,15,true");
    CSVFormat csvFormat = CSVFormat.DEFAULT.withHeader("firstName", "lastName", "age", "married");
    ApacheCommonCsvRecord record = getApacheCommonCsvRecord(stringReader, csvFormat);

    Foo foo = mapper.mapRecord(record);

    assertThat(foo).isNotNull();
    assertThat(foo.getFirstName()).isEqualTo("foo");
    assertThat(foo.getLastName()).isEqualTo("bar");
    assertThat(foo.getAge()).isEqualTo(15);
    assertThat(foo.isMarried()).isTrue();
  }
  @Test
  public void testApacheCommonCsvQualifier() throws Exception {
    StringReader stringReader = new StringReader("'foo,s','bar,n'");
    CSVFormat csvFormat =
        CSVFormat.DEFAULT.withQuote('\'').withHeader("firstName", "lastName", "age", "married");
    ApacheCommonCsvRecord record = getApacheCommonCsvRecord(stringReader, csvFormat);

    Foo foo = mapper.mapRecord(record);

    assertThat(foo).isNotNull();
    assertThat(foo.getFirstName()).isEqualTo("foo,s");
    assertThat(foo.getLastName()).isEqualTo("bar,n");
    assertThat(foo.getAge()).isEqualTo(0);
    assertThat(foo.isMarried()).isFalse();
  }
 public static DoubleMatrix readFileIntoMatrix(String filename, char delimiter)
     throws IOException {
   File csvData = new File(filename);
   CSVFormat format = CSVFormat.DEFAULT.withHeader().withDelimiter(delimiter);
   CSVParser parser = CSVParser.parse(csvData, StandardCharsets.UTF_8, format);
   int row = 0;
   List<CSVRecord> records = parser.getRecords();
   DoubleMatrix x = new DoubleMatrix(records.size(), records.get(0).size());
   for (CSVRecord csvRecord : records) {
     for (int column = 0; column < csvRecord.size(); column++) {
       String s = csvRecord.get(column);
       x.put(row, column, Double.valueOf(s));
     }
     row++;
   }
   return x;
 }
  @Override
  public String outputReportResult(Report report) {

    FileWriter fileWriter = null;
    CSVPrinter csvFilePrinter = null;
    CSVFormat csvFileFormat = CSVFormat.DEFAULT.withRecordSeparator(NEW_LINE_SEPARATOR);

    try {
      SimpleDateFormat dateFormat = new SimpleDateFormat("ddmmyyHHmmss");
      String outputFileName = String.format(OUTPUT_FILE_NAME, dateFormat.format(new Date()));
      fileWriter = new FileWriter(outputFileName);
      csvFilePrinter = new CSVPrinter(fileWriter, csvFileFormat);
      csvFilePrinter.printRecord(FILE_HEADER);

      for (ReportList reportList : report.getReportLists()) {
        csvFilePrinter.printRecord(
            reportList.getPerson(),
            reportList.getPaymentMonth(),
            reportList.getGrossIncome(),
            reportList.getIncomeTax(),
            reportList.getNetIncome(),
            reportList.getSuperannuation());
      }

      return outputFileName;

    } catch (Exception e) {
      e.printStackTrace();
      return null;
    } finally {
      try {
        fileWriter.flush();
        fileWriter.close();
        csvFilePrinter.close();
      } catch (IOException e) {
        e.printStackTrace();
      }
    }
  }
  public void crearCSV(LinkedList<Mapeo> rsList) throws IOException {
    FileWriter escritorArchivo = null;
    CSVPrinter csvPrinter = null;

    CSVFormat csvFileFormat = CSVFormat.DEFAULT.withRecordSeparator(SALTO_LINEA);
    escritorArchivo = new FileWriter(PATH_VOLCADO_DB);
    csvPrinter = new CSVPrinter(escritorArchivo, csvFileFormat);
    csvPrinter.printRecord(CABECERAS);

    for (Mapeo elemento : rsList) {
      List<String> camposCsv = new ArrayList<String>();
      camposCsv.add(elemento.getIdERP());
      camposCsv.add(elemento.getIdNimbus());
      camposCsv.add(elemento.getDescERP());
      camposCsv.add(elemento.getDescNimbus());
      csvPrinter.printRecord(camposCsv);
    }

    escritorArchivo.flush();
    escritorArchivo.close();
    csvPrinter.close();
  }
 @Override
 public void importCSV(String inputFile) {
   try {
     String csvData = new String(Files.readAllBytes(FileSystems.getDefault().getPath(inputFile)));
     csvData = csvData.replaceAll("\\r", "");
     CSVParser parser = CSVParser.parse(csvData, CSVFormat.DEFAULT.withRecordSeparator("\n"));
     for (CSVRecord record : parser) {
       Schedule schedule = new Schedule();
       schedule.setId(Integer.parseInt(record.get(0)));
       schedule.setMatchNum(Integer.parseInt(record.get(1)));
       schedule.setB1(Integer.parseInt(record.get(2)));
       schedule.setB2(Integer.parseInt(record.get(3)));
       schedule.setB3(Integer.parseInt(record.get(4)));
       schedule.setR1(Integer.parseInt(record.get(5)));
       schedule.setR2(Integer.parseInt(record.get(6)));
       schedule.setR3(Integer.parseInt(record.get(7)));
       if (checkForMatch(schedule)) update(schedule);
       else create(schedule);
     }
   } catch (IOException e) {
     e.printStackTrace();
   }
 }
Beispiel #18
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 @Test
 public void testWithIgnoreSurround() throws Exception {
   assertFalse(CSVFormat.DEFAULT.withIgnoreSurroundingSpaces(false).getIgnoreSurroundingSpaces());
   assertTrue(CSVFormat.DEFAULT.withIgnoreSurroundingSpaces().getIgnoreSurroundingSpaces());
 }
Beispiel #19
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 @Test(expected = IllegalArgumentException.class)
 public void testDuplicateHeaderElements() {
   CSVFormat.DEFAULT.withHeader("A", "A");
 }
Beispiel #20
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 @Test(expected = IllegalArgumentException.class)
 public void testDelimiterSameAsEscapeThrowsException() {
   CSVFormat.DEFAULT.withDelimiter('!').withEscape('!');
 }
Beispiel #21
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 @Test(expected = IllegalArgumentException.class)
 public void testDelimiterSameAsCommentStartThrowsException() {
   CSVFormat.DEFAULT.withDelimiter('!').withCommentMarker('!');
 }
Beispiel #22
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 @Test
 public void testWithFirstRecordAsHeader() throws Exception {
   final CSVFormat formatWithFirstRecordAsHeader = CSVFormat.DEFAULT.withFirstRecordAsHeader();
   assertTrue(formatWithFirstRecordAsHeader.getSkipHeaderRecord());
   assertTrue(formatWithFirstRecordAsHeader.getHeader().length == 0);
 }
Beispiel #23
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 @Test
 public void testWithRecordSeparatorCRLF() throws Exception {
   final CSVFormat formatWithRecordSeparator = CSVFormat.DEFAULT.withRecordSeparator(CRLF);
   assertEquals(CRLF, formatWithRecordSeparator.getRecordSeparator());
 }
Beispiel #24
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 @Test
 public void testWithRecordSeparatorLF() throws Exception {
   final CSVFormat formatWithRecordSeparator = CSVFormat.DEFAULT.withRecordSeparator(LF);
   assertEquals(String.valueOf(LF), formatWithRecordSeparator.getRecordSeparator());
 }
Beispiel #25
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 @Test
 public void testWithQuotePolicy() throws Exception {
   final CSVFormat formatWithQuotePolicy = CSVFormat.DEFAULT.withQuoteMode(QuoteMode.ALL);
   assertEquals(QuoteMode.ALL, formatWithQuotePolicy.getQuoteMode());
 }
Beispiel #26
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 @Test(expected = IllegalArgumentException.class)
 public void testWithQuoteLFThrowsException() {
   CSVFormat.DEFAULT.withQuote(LF);
 }
Beispiel #27
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 @Test
 public void testWithQuoteChar() throws Exception {
   final CSVFormat formatWithQuoteChar = CSVFormat.DEFAULT.withQuote('"');
   assertEquals(Character.valueOf('"'), formatWithQuoteChar.getQuoteCharacter());
 }
Beispiel #28
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 @Test
 public void testWithNullString() throws Exception {
   final CSVFormat formatWithNullString = CSVFormat.DEFAULT.withNullString("null");
   assertEquals("null", formatWithNullString.getNullString());
 }
Beispiel #29
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 @Test
 public void testWithIgnoreEmptyLines() throws Exception {
   assertFalse(CSVFormat.DEFAULT.withIgnoreEmptyLines(false).getIgnoreEmptyLines());
   assertTrue(CSVFormat.DEFAULT.withIgnoreEmptyLines().getIgnoreEmptyLines());
 }
Beispiel #30
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 @Test
 public void testWithEmptyEnum() throws Exception {
   final CSVFormat formatWithHeader = CSVFormat.DEFAULT.withHeader(EmptyEnum.class);
   Assert.assertTrue(formatWithHeader.getHeader().length == 0);
 }