Examples of org.threeten.bp.temporal.TemporalAccessor

org.threeten.bp.temporal.TemporalAccessor
Framework-level interface defining read-only access to a temporal object, such as a date, time, offset or some combination of these.
This is the base interface type for date, time and offset objects. It is implemented by those classes that can provide information as {@link TemporalField fields} or {@link TemporalQuery queries}.
Most date and time information can be represented as a number. These are modeled using {@code TemporalField} with the number held usinga {@code long} to handle large values. Year, month and day-of-month aresimple examples of fields, but they also include instant and offsets. See {@link ChronoField} for the standard set of fields.
Two pieces of date/time information cannot be represented by numbers, the {@link Chronology chronology} and the {@link ZoneId time-zone}. These can be accessed via {@link #query(TemporalQuery) queries} usingthe static methods defined on {@link TemporalQueries}.
A sub-interface, {@link Temporal}, extends this definition to one that also supports adjustment and manipulation on more complete temporal objects.
This interface is a framework-level interface that should not be widely used in application code. Instead, applications should create and pass around instances of concrete types, such as {@code LocalDate}. There are many reasons for this, part of which is that implementations of this interface may be in calendar systems other than ISO. See {@link ChronoLocalDate} for a fuller discussion of the issues.
Specification for implementors
This interface places no restrictions on the mutability of implementations, however immutability is strongly recommended.


    @Test
    public void test_parse_fromField_SecondOfMinute() {
        DateTimeFormatter fmt = new DateTimeFormatterBuilder()
            .appendValue(SECOND_OF_MINUTE).toFormatter();
        TemporalAccessor acc = fmt.parse("32");
        assertEquals(acc.isSupported(SECOND_OF_MINUTE), true);
        assertEquals(acc.isSupported(NANO_OF_SECOND), true);
        assertEquals(acc.isSupported(MICRO_OF_SECOND), true);
        assertEquals(acc.isSupported(MILLI_OF_SECOND), true);
        assertEquals(acc.getLong(SECOND_OF_MINUTE), 32L);
        assertEquals(acc.getLong(NANO_OF_SECOND), 0L);
        assertEquals(acc.getLong(MICRO_OF_SECOND), 0L);
        assertEquals(acc.getLong(MILLI_OF_SECOND), 0L);
    }

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        int changes = 0;
        outer:
        while (changes < 100) {
            for (Map.Entry<TemporalField, Long> entry : fieldValues.entrySet()) {
                TemporalField targetField = entry.getKey();
                TemporalAccessor resolvedObject = targetField.resolve(fieldValues, this, resolverStyle);
                if (resolvedObject != null) {
                    if (resolvedObject instanceof ChronoZonedDateTime) {
                        ChronoZonedDateTime<?> czdt = (ChronoZonedDateTime<?>) resolvedObject;
                        if (zone == null) {
                            zone = czdt.getZone();
                        } else if (zone.equals(czdt.getZone()) == false) {
                            throw new DateTimeException("ChronoZonedDateTime must use the effective parsed zone: " + zone);
                        }
                        resolvedObject = czdt.toLocalDateTime();
                    }
                    if (resolvedObject instanceof ChronoLocalDate) {
                        resolveMakeChanges(targetField, (ChronoLocalDate) resolvedObject);
                        changes++;
                        continue outer;  // have to restart to avoid concurrent modification
                    }
                    if (resolvedObject instanceof LocalTime) {
                        resolveMakeChanges(targetField, (LocalTime) resolvedObject);
                        changes++;
                        continue outer;  // have to restart to avoid concurrent modification
                    }
                    if (resolvedObject instanceof ChronoLocalDateTime<?>) {
                        ChronoLocalDateTime<?> cldt = (ChronoLocalDateTime<?>) resolvedObject;
                        resolveMakeChanges(targetField, cldt.toLocalDate());
                        resolveMakeChanges(targetField, cldt.toLocalTime());
                        changes++;
                        continue outer;  // have to restart to avoid concurrent modification
                    }
                    throw new DateTimeException("Unknown type: " + resolvedObject.getClass().getName());
                } else if (fieldValues.containsKey(targetField) == false) {
                    changes++;
                    continue outer;  // have to restart to avoid concurrent modification
                }
            }

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    @Test
    public void test_parse_fromField_SecondOfMinute_NanoOfSecond() {
        DateTimeFormatter fmt = new DateTimeFormatterBuilder()
            .appendValue(SECOND_OF_MINUTE).appendLiteral('.').appendValue(NANO_OF_SECOND).toFormatter();
        TemporalAccessor acc = fmt.parse("32.123456789");
        assertEquals(acc.isSupported(SECOND_OF_MINUTE), true);
        assertEquals(acc.isSupported(NANO_OF_SECOND), true);
        assertEquals(acc.isSupported(MICRO_OF_SECOND), true);
        assertEquals(acc.isSupported(MILLI_OF_SECOND), true);
        assertEquals(acc.getLong(SECOND_OF_MINUTE), 32L);
        assertEquals(acc.getLong(NANO_OF_SECOND), 123456789L);
        assertEquals(acc.getLong(MICRO_OF_SECOND), 123456L);
        assertEquals(acc.getLong(MILLI_OF_SECOND), 123L);
    }

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        output(dateTime, ChronoField.DAY_OF_MONTH);
        output(time, ChronoField.HOUR_OF_DAY);
        output(time, ChronoField.MINUTE_OF_HOUR);


        TemporalAccessor cal = date;
        System.out.println("DoM: " + cal.get(DAY_OF_MONTH));
    }

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        int pos = 0;
        if (str.startsWith("-")) {
            pos = 1;
        }
        ParsePosition pp = new ParsePosition(pos);
        TemporalAccessor parsed = TIME_PARSER.parseUnresolved(str, pp);
        if (parsed == null || pp.getErrorIndex() >= 0) {
            throw new IllegalArgumentException(str);
        }
        long hour = parsed.getLong(HOUR_OF_DAY);
        Long min = (parsed.isSupported(MINUTE_OF_HOUR) ? parsed.getLong(MINUTE_OF_HOUR) : null);
        Long sec = (parsed.isSupported(SECOND_OF_MINUTE) ? parsed.getLong(SECOND_OF_MINUTE) : null);
        int secs = (int) (hour * 60 * 60 + (min != null ? min : 0) * 60 + (sec != null ? sec : 0));
        if (pos == 1) {
            secs = -secs;
        }
        return secs;

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    //-----------------------------------------------------------------------
    @Test
    public void test_parseBest_firstOption() throws Exception {
        DateTimeFormatter test = DateTimeFormatter.ofPattern("uuuu-MM[-dd]");
        TemporalAccessor result = test.parseBest("2011-06-30", LocalDate.FROM, YearMonth.FROM);
        assertEquals(result, LocalDate.of(2011, 6, 30));
    }

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    }


    @Test
    public void test_parseBest_secondOption() throws Exception {
        DateTimeFormatter test = DateTimeFormatter.ofPattern("uuuu-MM[-dd]");
        TemporalAccessor result = test.parseBest("2011-06", LocalDate.FROM, YearMonth.FROM);
        assertEquals(result, YearMonth.of(2011, 6));
    }

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    //-----------------------------------------------------------------------
    @Test
    public void test_parseToBuilder_StringParsePosition() throws Exception {
        DateTimeFormatter test = fmt.withLocale(Locale.ENGLISH).withDecimalStyle(DecimalStyle.STANDARD);
        ParsePosition pos = new ParsePosition(0);
        TemporalAccessor result = test.parseUnresolved("ONE30XXX", pos);
        assertEquals(pos.getIndex(), 5);
        assertEquals(pos.getErrorIndex(), -1);
        assertEquals(result.getLong(DAY_OF_MONTH), 30L);
    }

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    @Test
    public void test_parseToBuilder_StringParsePosition_parseError() throws Exception {
        DateTimeFormatter test = fmt.withLocale(Locale.ENGLISH).withDecimalStyle(DecimalStyle.STANDARD);
        ParsePosition pos = new ParsePosition(0);
        TemporalAccessor result = test.parseUnresolved("ONEXXX", pos);
        assertEquals(pos.getIndex(), 0);  // TODO: is this right?
        assertEquals(pos.getErrorIndex(), 3);
        assertEquals(result, null);
    }

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    @Test
    public void test_toFormat_parseObject_StringParsePosition_parseError() throws Exception {
        DateTimeFormatter test = fmt.withLocale(Locale.ENGLISH).withDecimalStyle(DecimalStyle.STANDARD);
        Format format = test.toFormat();
        ParsePosition pos = new ParsePosition(0);
        TemporalAccessor result = (TemporalAccessor) format.parseObject("ONEXXX", pos);
        assertEquals(pos.getIndex(), 0);  // TODO: is this right?
        assertEquals(pos.getErrorIndex(), 3);
        assertEquals(result, null);
    }

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Examples of org.threeten.bp.temporal.TemporalAccessor

Specification for implementors

Related Classes of org.threeten.bp.temporal.TemporalAccessor