Example usage for java.time.format DateTimeFormatterBuilder DateTimeFormatterBuilder

Introduction

In this page you can find the example usage for java.time.format DateTimeFormatterBuilder DateTimeFormatterBuilder.

Prototype

public DateTimeFormatterBuilder() 

Source Link

Document

Constructs a new instance of the builder.

Usage

From source file:Main.java

public static void main(String[] args) {
    DateTimeFormatter formatter = new DateTimeFormatterBuilder().appendValue(ChronoField.HOUR_OF_DAY)
            .appendLiteral(":").appendValue(ChronoField.MINUTE_OF_HOUR).toFormatter();

    System.out.println(formatter.format(LocalDateTime.now()));
}

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From source file:Main.java

public static void main(String[] args) {
    DateTimeFormatter formatter = new DateTimeFormatterBuilder().appendLiteral("New Year in ")
            .appendValue(ChronoField.YEAR).appendLiteral(" is  on  ")
            .appendText(ChronoField.DAY_OF_WEEK, TextStyle.FULL_STANDALONE).toFormatter();
    LocalDate ld = LocalDate.of(2014, Month.JANUARY, 1);
    String str = ld.format(formatter);
    System.out.println(str);//from ww  w  .  ja  v a2  s . co  m

}

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From source file:Main.java

public static void main(String[] args) {
    Instant instant = Instant.parse("2014-07-16T10:15:30.00Z");
    LocalDate localDate = LocalDate.parse("2014-07-16", DateTimeFormatter.ofPattern("yyyy-MM-dd"));
    LocalDate localDate2 = LocalDate.parse("2014-07-16", DateTimeFormatter.ISO_LOCAL_DATE);

    DateTimeFormatter strangeFormat = new DateTimeFormatterBuilder().appendValue(MONTH_OF_YEAR, 2)
            .appendLiteral("==").appendValue(YEAR, 4).appendLiteral("--").appendValue(DAY_OF_MONTH, 2)
            .toFormatter();/*from  www .j a  va  2 s .c  o  m*/

    LocalDate localDate3 = LocalDate.parse("07==2014--16", strangeFormat);

    System.out.println(instant);
    System.out.println(localDate);
    System.out.println(localDate2);
    System.out.println(localDate3);

    LocalDate date = Year.of(2014).atMonth(7).atDay(16);
    String strangeDateFormat = date.format(strangeFormat);

    System.out.println(strangeDateFormat);
}

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From source file:com.microsoft.sqlserver.testframework.sqlType.SqlTime.java

public SqlTime() {
    super("time", JDBCType.TIME, null, null);
    type = java.sql.Time.class;
    try {/* w  w w  . j a  v  a  2  s  .co m*/
        minvalue = new Time(dateFormat.parse((String) SqlTypeValue.TIME.minValue).getTime());
        maxvalue = new Time(dateFormat.parse((String) SqlTypeValue.TIME.maxValue).getTime());
    } catch (ParseException ex) {
        fail(ex.getMessage());
    }
    this.precision = 7;
    this.variableLengthType = VariableLengthType.Precision;
    generatePrecision();
    formatter = new DateTimeFormatterBuilder().appendPattern(basePattern)
            .appendFraction(ChronoField.NANO_OF_SECOND, 0, this.precision, true).toFormatter();

}

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From source file:com.microsoft.sqlserver.testframework.sqlType.SqlDateTime2.java

public SqlDateTime2() {
    super("datetime2", JDBCType.TIMESTAMP, null, null);
    try {//from  w  w  w  .j a v a 2s. c  o  m
        minvalue = new Timestamp(dateFormat.parse((String) SqlTypeValue.DATETIME2.minValue).getTime());
        maxvalue = new Timestamp(dateFormat.parse((String) SqlTypeValue.DATETIME2.maxValue).getTime());
    } catch (ParseException ex) {
        fail(ex.getMessage());
    }
    this.precision = 7;
    this.variableLengthType = VariableLengthType.Precision;
    generatePrecision();
    formatter = new DateTimeFormatterBuilder().appendPattern(basePattern)
            .appendFraction(ChronoField.NANO_OF_SECOND, 0, this.precision, true).toFormatter();

}

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From source file:jgnash.convert.exportantur.csv.CsvExport.java

public static void exportAccount(final Account account, final LocalDate startDate, final LocalDate endDate,
        final File file) {
    Objects.requireNonNull(account);
    Objects.requireNonNull(startDate);
    Objects.requireNonNull(endDate);
    Objects.requireNonNull(file);

    // force a correct file extension
    final String fileName = FileUtils.stripFileExtension(file.getAbsolutePath()) + ".csv";

    final CSVFormat csvFormat = CSVFormat.EXCEL.withQuoteMode(QuoteMode.ALL);

    try (final OutputStreamWriter outputStreamWriter = new OutputStreamWriter(
            Files.newOutputStream(Paths.get(fileName)), StandardCharsets.UTF_8);
            final CSVPrinter writer = new CSVPrinter(new BufferedWriter(outputStreamWriter), csvFormat)) {

        outputStreamWriter.write('\ufeff'); // write UTF-8 byte order mark to the file for easier imports

        writer.printRecord("Account", "Number", "Debit", "Credit", "Balance", "Date", "Timestamp", "Memo",
                "Payee", "Reconciled");

        // write the transactions
        final List<Transaction> transactions = account.getTransactions(startDate, endDate);

        final DateTimeFormatter dateTimeFormatter = new DateTimeFormatterBuilder().appendValue(YEAR, 4)
                .appendValue(MONTH_OF_YEAR, 2).appendValue(DAY_OF_MONTH, 2).toFormatter();

        final DateTimeFormatter timestampFormatter = new DateTimeFormatterBuilder().appendValue(YEAR, 4)
                .appendLiteral('-').appendValue(MONTH_OF_YEAR, 2).appendLiteral('-')
                .appendValue(DAY_OF_MONTH, 2).appendLiteral(' ').appendValue(HOUR_OF_DAY, 2).appendLiteral(':')
                .appendValue(MINUTE_OF_HOUR, 2).appendLiteral(':').appendValue(SECOND_OF_MINUTE, 2)
                .toFormatter();//from w  w w. ja  va2s. c o  m

        for (final Transaction transaction : transactions) {
            final String date = dateTimeFormatter.format(transaction.getLocalDate());

            final String timeStamp = timestampFormatter.format(transaction.getTimestamp());

            final String credit = transaction.getAmount(account).compareTo(BigDecimal.ZERO) < 0 ? ""
                    : transaction.getAmount(account).abs().toPlainString();

            final String debit = transaction.getAmount(account).compareTo(BigDecimal.ZERO) > 0 ? ""
                    : transaction.getAmount(account).abs().toPlainString();

            final String balance = account.getBalanceAt(transaction).toPlainString();

            final String reconciled = transaction.getReconciled(account) == ReconciledState.NOT_RECONCILED
                    ? Boolean.FALSE.toString()
                    : Boolean.TRUE.toString();

            writer.printRecord(account.getName(), transaction.getNumber(), debit, credit, balance, date,
                    timeStamp, transaction.getMemo(), transaction.getPayee(), reconciled);
        }
    } catch (final IOException e) {
        Logger.getLogger(CsvExport.class.getName()).log(Level.SEVERE, e.getLocalizedMessage(), e);
    }
}

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From source file:Main.java

/**
 * Parses a String to a ChronoLocalDate using a DateTimeFormatter with a short
 * pattern based on the current Locale and the provided Chronology, then
 * converts this to a LocalDate (ISO) value.
 *
 * @param text/*from w  ww .j  ava  2  s. co  m*/
 *          - the input date text in the SHORT format expected for the
 *          Chronology and the current Locale.
 *
 * @param chrono
 *          - an optional Chronology. If null, then IsoChronology is used.
 */
public static LocalDate fromString(String text, Chronology chrono) {
    if (text != null && !text.isEmpty()) {
        Locale locale = Locale.getDefault(Locale.Category.FORMAT);
        if (chrono == null) {
            chrono = IsoChronology.INSTANCE;
        }
        String pattern = "M/d/yyyy GGGGG";
        DateTimeFormatter df = new DateTimeFormatterBuilder().parseLenient().appendPattern(pattern)
                .toFormatter().withChronology(chrono).withDecimalStyle(DecimalStyle.of(locale));
        TemporalAccessor temporal = df.parse(text);
        ChronoLocalDate cDate = chrono.date(temporal);
        return LocalDate.from(cDate);
    }
    return null;
}

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From source file:org.apache.metron.profiler.spark.TimestampParser.java

/**
 * Parses an input string and returns an optional timestamp in epoch milliseconds.
 *
 * @param inputString The input defining a timestamp.
 * @return A timestamp in epoch milliseconds.
 *///  w  ww.  jav a  2 s  . c o m
public Optional<Long> parse(String inputString) {
    Optional<Long> epochMilli = Optional.empty();

    // a blank is acceptable and treated as undefined
    if (StringUtils.isNotBlank(inputString)) {
        epochMilli = Optional.of(new DateTimeFormatterBuilder().append(DateTimeFormatter.ISO_INSTANT)
                .toFormatter().parse(inputString, Instant::from).toEpochMilli());
    }

    return epochMilli;
}

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From source file:org.opensingular.form.type.util.STypeYearMonth.java

private static DateTimeFormatter formatter() {
    return new DateTimeFormatterBuilder().appendPattern("MM/yyyy").toFormatter();
}

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From source file:org.talend.dataprep.transformation.actions.date.DateParser.java

/**
 * Parse the date from the given patterns.
 *
 * @param value the text to parse./*from www  .jav  a  2 s  .  com*/
 * @param patterns the patterns to use.
 * @return the parsed date-time
 */
public LocalDateTime parseDateFromPatterns(String value, List<DatePattern> patterns) {

    // take care of the null value
    if (value == null) {
        throw new DateTimeException("cannot parse null");
    }

    for (DatePattern pattern : patterns) {
        final DateTimeFormatter formatter = new DateTimeFormatterBuilder().parseCaseInsensitive()
                .append(pattern.getFormatter()).toFormatter(Locale.ENGLISH);

        // first try to parse directly as LocalDateTime
        try {
            return LocalDateTime.parse(value, formatter);
        } catch (DateTimeException e) {
            LOGGER.trace("Unable to parse date '{}' using LocalDateTime.", value, e);
            // if it fails, let's try the LocalDate first
            try {
                LocalDate temp = LocalDate.parse(value, formatter);
                return temp.atStartOfDay();
            } catch (DateTimeException e2) {
                LOGGER.trace("Unable to parse date '{}' using LocalDate.", value, e2);
                // nothing to do here, just try the next formatter
            }
        }
    }
    throw new DateTimeException("'" + value + "' does not match any known pattern");
}

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