Java Code Examples for org.dmfs.rfc5545.DateTime#isAllDay()

/**
 * {@link Time} will eventually be replaced with {@link DateTime} in the project.
 * This conversion function is only needed in the transition period.
 */
@VisibleForTesting
Time toTime(DateTime dateTime)
{
    if (dateTime.isFloating() && !dateTime.isAllDay())
    {
        throw new IllegalArgumentException("Cannot support floating DateTime that is not all-day, can't represent it with Time");
    }

    // Time always needs a TimeZone (default ctor falls back to TimeZone.getDefault())
    String timeZoneId = dateTime.getTimeZone() == null ? "UTC" : dateTime.getTimeZone().getID();
    Time time = new Time(timeZoneId);

    time.set(dateTime.getTimestamp());

    // TODO Would using time.set(monthDay, month, year) be better?
    if (dateTime.isAllDay())
    {
        time.allDay = true;
        // This is needed as per time.allDay docs:
        time.hour = 0;
        time.minute = 0;
        time.second = 0;
    }
    return time;
}
 

/**
 * Returns a string representation for the time, with a relative date and an absolute time
 */
public static String formatTime(Context context, DateTime time)
{
    String dateString;
    if (time.isAllDay())
    {
        dateString = DateUtils.getRelativeTimeSpanString(time.getTimestamp(), DateTime.today().getTimestamp(), DateUtils.DAY_IN_MILLIS).toString();
    }
    else
    {
        dateString = DateUtils.getRelativeTimeSpanString(time.getTimestamp(), DateTime.now().getTimestamp(), DateUtils.DAY_IN_MILLIS).toString();
    }

    // return combined date and time
    String timeString = new DateFormatter(context).format(time, DateFormatter.DateFormatContext.NOTIFICATION_VIEW_TIME);
    return dateString + ", " + timeString;
}
 

/**
 * Get a new {@link RuleIterator} that iterates all instances of this rule. <p> <strong>Note:</strong> If the rule contains an UNTIL part with a floating
 * value, you have to provide <code>null</code> as the timezone. </p>
 *
 * @param start
 *         The time of the first instance in milliseconds since the epoch.
 * @param timezone
 *         The {@link TimeZone} of the first instance or <code>null</code> for floating times.
 *
 * @return A {@link RecurrenceRuleIterator}.
 */
public RecurrenceRuleIterator iterator(long start, TimeZone timezone)
{
    // TODO: avoid creating a temporary DATETIME instance.
    DateTime dt = new DateTime(mCalendarMetrics, timezone, start);
    DateTime until = getUntil();
    if (until != null && until.isAllDay())
    {
        dt = dt.toAllDay();
    }
    return iterator(dt);
}
 

/**
 * Creates a new {@link RecurrenceRuleIterator} that gets its input from <code>ruleIterator</code>.
 *
 * @param ruleIterator
 *         The last {@link RuleIterator} in the chain of iterators.
 * @param start
 *         The first instance to iterate.
 */
RecurrenceRuleIterator(RuleIterator ruleIterator, DateTime start, CalendarMetrics calendarMetrics)
{
    mRuleIterator = ruleIterator;
    mAllDay = start.isAllDay();
    mCalendarMetrics = calendarMetrics;
    mTimeZone = start.isFloating() ? null : start.getTimeZone();
    fetchNextInstance();
}
 

private boolean isPast(@NonNull DateTime dt)
{
    DateTime now = DateTime.nowAndHere();
    dt = dt.isAllDay() ? dt.startOfDay() : dt;
    dt = dt.isFloating() ? dt.swapTimeZone(now.getTimeZone()) : dt;
    return !now.before(dt);
}
 

/**
 * Contains the definition/requirement of when a {@link DateTime} and {@link Time} is considered equivalent in this project.
 */
private boolean isEquivalentDateTimeAndTime(DateTime dateTime, Time time)
{
    // android.text.Time doesn't seem to store in millis precision, there is a 1000 multiplier used there internally
    // when calculating millis, so we can only compare in this precision:
    boolean millisMatch =
            dateTime.getTimestamp() / 1000
                    ==
                    time.toMillis(false) / 1000;

    boolean yearMatch = dateTime.getYear() == time.year;
    boolean monthMatch = dateTime.getMonth() == time.month;
    boolean dayMatch = dateTime.getDayOfMonth() == time.monthDay;
    boolean hourMatch = dateTime.getHours() == time.hour;
    boolean minuteMatch = dateTime.getMinutes() == time.minute;
    boolean secondsMatch = dateTime.getSeconds() == time.second;

    boolean allDaysMatch = time.allDay == dateTime.isAllDay();

    boolean timeZoneMatch =
            (dateTime.isFloating() && dateTime.isAllDay() && time.timezone.equals("UTC"))
                    ||
                    // This is the regular case with non-floating DateTime
                    (dateTime.getTimeZone() != null && time.timezone.equals(dateTime.getTimeZone().getID()));

    return millisMatch
            && yearMatch
            && monthMatch
            && dayMatch
            && hourMatch
            && minuteMatch
            && secondsMatch
            && allDaysMatch
            && timeZoneMatch;
}
 

@Override
public DateTime[] getFrom(ContentValues values)
{
	String datetimeList = values.getAsString(mDateTimeListFieldName);
	if (datetimeList == null)
	{
		// no list, return null
		return null;
	}

	// create a new TimeZone for the given time zone string
	String timezoneString = mTimeZoneFieldName == null ? null : values.getAsString(mTimeZoneFieldName);
	TimeZone timeZone = timezoneString == null ? null : TimeZone.getTimeZone(timezoneString);

	String[] datetimes = SEPARATOR_PATTERN.split(datetimeList);

	DateTime[] result = new DateTime[datetimes.length];
	for (int i = 0, count = datetimes.length; i < count; ++i)
	{
		DateTime value = DateTime.parse(timeZone, datetimes[i]);

		if (!value.isAllDay() && value.isFloating())
		{
			throw new IllegalArgumentException("DateTime values must not be floating, unless they are all-day.");
		}

		result[i] = value;
		if (i > 0 && result[0].isAllDay() != value.isAllDay())
		{
			throw new IllegalArgumentException("DateTime values must all be of the same type.");
		}
	}

	return result;
}
 

@Override
public DateTime[] getFrom(Cursor cursor)
{
	int tdLIdx = cursor.getColumnIndex(mDateTimeListFieldName);
	int tzIdx = mTimeZoneFieldName == null ? -1 : cursor.getColumnIndex(mTimeZoneFieldName);

	if (tdLIdx < 0 || (mTimeZoneFieldName != null && tzIdx < 0))
	{
		throw new IllegalArgumentException("At least one column is missing in cursor.");
	}

	if (cursor.isNull(tdLIdx))
	{
		// if the time stamp list is null we return null
		return null;
	}

	String datetimeList = cursor.getString(tdLIdx);

	// create a new TimeZone for the given time zone string
	String timezoneString = mTimeZoneFieldName == null ? null : cursor.getString(tzIdx);
	TimeZone timeZone = timezoneString == null ? null : TimeZone.getTimeZone(timezoneString);

	String[] datetimes = SEPARATOR_PATTERN.split(datetimeList);

	DateTime[] result = new DateTime[datetimes.length];
	for (int i = 0, count = datetimes.length; i < count; ++i)
	{
		DateTime value = DateTime.parse(timeZone, datetimes[i]);

		if (!value.isAllDay() && value.isFloating())
		{
			throw new IllegalArgumentException("DateTime values must not be floating, unless they are all-day.");
		}

		result[i] = value;
		if (i > 0 && result[0].isAllDay() != value.isAllDay())
		{
			throw new IllegalArgumentException("DateTime values must all be of the same type.");
		}
	}

	return result;
}
 

@Override
public DateTime[] getFrom(Cursor cursor, ContentValues values)
{
	int tsIdx;
	int tzIdx;
	String datetimeList;
	String timeZoneId = null;

	if (values != null && values.containsKey(mDateTimeListFieldName))
	{
		if (values.getAsLong(mDateTimeListFieldName) == null)
		{
			// the date times are null, so we return null
			return null;
		}
		datetimeList = values.getAsString(mDateTimeListFieldName);
	}
	else if (cursor != null && (tsIdx = cursor.getColumnIndex(mDateTimeListFieldName)) >= 0)
	{
		if (cursor.isNull(tsIdx))
		{
			// the date times are null, so we return null
			return null;
		}
		datetimeList = cursor.getString(tsIdx);
	}
	else
	{
		throw new IllegalArgumentException("Missing date time list column.");
	}

	if (mTimeZoneFieldName != null)
	{
		if (values != null && values.containsKey(mTimeZoneFieldName))
		{
			timeZoneId = values.getAsString(mTimeZoneFieldName);
		}
		else if (cursor != null && (tzIdx = cursor.getColumnIndex(mTimeZoneFieldName)) >= 0)
		{
			timeZoneId = cursor.getString(tzIdx);
		}
		else
		{
			throw new IllegalArgumentException("Missing timezone column.");
		}
	}

	// create a new TimeZone for the given time zone string
	TimeZone timeZone = timeZoneId == null ? null : TimeZone.getTimeZone(timeZoneId);

	String[] datetimes = SEPARATOR_PATTERN.split(datetimeList);

	DateTime[] result = new DateTime[datetimes.length];
	for (int i = 0, count = datetimes.length; i < count; ++i)
	{
		DateTime value = DateTime.parse(timeZone, datetimes[i]);

		if (!value.isAllDay() && value.isFloating())
		{
			throw new IllegalArgumentException("DateTime values must not be floating, unless they are all-day.");
		}

		result[i] = value;
		if (i > 0 && result[0].isAllDay() != value.isAllDay())
		{
			throw new IllegalArgumentException("DateTime values must all be of the same type.");
		}
	}

	return result;
}