# -*- coding: utf-8 -*-
"""Java java.util.Date timestamp implementation."""
import decimal
from dfdatetime import definitions
from dfdatetime import factory
from dfdatetime import posix_time
[docs]
class JavaTime(posix_time.PosixTimeInMilliseconds):
"""Java java.util.Date timestamp.
The Java java.util.Date timestamp is a signed integer that contains the
number of milliseconds since 1970-01-01 00:00:00 (also known as the POSIX
epoch). Negative values represent date and times predating the POSIX epoch.
Also see:
https://docs.oracle.com/javase/8/docs/api/java/util/Date.html
Attributes:
is_local_time (bool): True if the date and time value is in local time.
"""
def _GetNormalizedTimestamp(self):
"""Retrieves the normalized timestamp.
Returns:
decimal.Decimal: normalized timestamp, which contains the number of
seconds since January 1, 1970 00:00:00 and a fraction of second used
for increased precision, or None if the normalized timestamp cannot be
determined.
"""
if self._normalized_timestamp is None:
if (self._timestamp is not None and self._timestamp >= self._INT64_MIN and
self._timestamp <= self._INT64_MAX):
self._normalized_timestamp = (
decimal.Decimal(self._timestamp) /
definitions.MILLISECONDS_PER_SECOND)
if self._time_zone_offset:
self._normalized_timestamp -= self._time_zone_offset * 60
return self._normalized_timestamp
[docs]
def CopyToDateTimeString(self):
"""Copies the POSIX timestamp to a date and time string.
Returns:
str: date and time value formatted as: "YYYY-MM-DD hh:mm:ss.######" or
None if the timestamp is missing.
"""
if (self._timestamp is None or self._timestamp < self._INT64_MIN or
self._timestamp > self._INT64_MAX):
return None
return super(JavaTime, self).CopyToDateTimeString()
factory.Factory.RegisterDateTimeValues(JavaTime)