def to_java_zoneddatetime(value):
"""
Converts any of the supported date types to ``java.time.ZonedDateTime``. If
``value`` does not have timezone information, the system default will be
used.
Examples:
.. code-block::
java_time = to_java_zoneddatetime(items["date_item"])
Args:
value: the value to convert
Returns:
java.time.ZonedDateTime: the converted value
Raises:
TypeError: if the type of ``value`` is not supported by this module
"""
if isinstance(value, ZonedDateTime):
return value
timezone_id = ZoneId.systemDefault()
# java.time.LocalDateTime
if isinstance(value, LocalDateTime):
return value.atZone(timezone_id)
# python datetime
if isinstance(value, datetime.datetime):
if value.tzinfo is not None:
timezone_id = ZoneId.ofOffset(
"GMT",
ZoneOffset.ofTotalSeconds(
int(value.utcoffset().total_seconds())))
return ZonedDateTime.of(value.year, value.month, value.day, value.hour,
value.minute, value.second,
value.microsecond * 1000, timezone_id)
# java.util.Calendar
if isinstance(value, Calendar):
return ZonedDateTime.ofInstant(value.toInstant(),
ZoneId.of(value.getTimeZone().getID()))
# java.util.Date
if isinstance(value, Date):
return ZonedDateTime.ofInstant(
value.toInstant(),
ZoneId.ofOffset(
"GMT", ZoneOffset.ofHours(0 - value.getTimezoneOffset() / 60)))
# Joda DateTime
if JodaDateTime and isinstance(value, JodaDateTime):
return value.toGregorianCalendar().toZonedDateTime()
# openHAB DateTimeType
if DateTimeType and isinstance(value, DateTimeType):
return to_java_zoneddatetime(value.getZonedDateTime())
# Eclipse Smarthome DateTimeType
if EclipseDateTimeType and isinstance(value, EclipseDateTimeType):
return to_java_zoneddatetime(value.calendar)
# Legacy (OH1.x compat) DateTimeType
if LegacyDateTimeType and isinstance(value, LegacyDateTimeType):
return to_java_zoneddatetime(value.calendar)
raise TypeError("Unknown type: {}".format(str(type(value))))
def to_java_zoneddatetime(value):
"""Converts any known DateTime type to a ``java.time.ZonedDateTime`` type.
Args:
value: any known DateTime value.
Returns:
| A ``java.time.ZonedDateTime`` representing ``value``.
| If ``value`` does not have timezone information, the system default
will be used.
Raises:
TypeError: type of ``value`` is not recognized by this package.
"""
timezone_id = ZoneId.systemDefault()
if isinstance(value, ZonedDateTime):
return value
# java.time.LocalDateTime
if isinstance(value, LocalDateTime):
return value.atZone(timezone_id)
# python datetime
if isinstance(value, datetime.datetime):
if value.tzinfo is not None:
timezone_id = ZoneId.ofOffset(
"GMT",
ZoneOffset.ofTotalSeconds(value.utcoffset().total_seconds()))
return ZonedDateTime.of(value.year, value.month, value.day, value.hour,
value.minute, value.second,
value.microsecond * 1000, timezone_id)
# java.util.Calendar
if isinstance(value, Calendar):
return ZonedDateTime.ofInstant(value.toInstant(),
ZoneId.of(value.getTimeZone().getID()))
# java.util.Date
if isinstance(value, Date):
return ZonedDateTime.ofInstant(
value.toInstant(),
ZoneId.ofOffset(
"GMT",
ZoneOffset.ofTotalSeconds(value.getTimezoneOffset() * 60)))
# Joda DateTime
if isinstance(value, DateTime):
return value.toGregorianCalendar().toZonedDateTime()
# OH DateTimeType or ESH DateTimeType
if isinstance(value, (LegacyDateTimeType, DateTimeType)):
return to_java_zoneddatetime(value.calendar)
raise TypeError("Unknown type: " + str(type(value)))
def _getSunData(time):
# Constants
K = 0.017453
# Change this reflecting your destination
latitude = 52.347767
longitude = 13.621287
# allways +1 Berlin winter time
local = time.withZoneSameInstant(ZoneOffset.ofHours(1))
day = local.getDayOfYear()
hour = local.getHour() + (local.getMinute() / 60.0)
# Source: http://www.jgiesen.de/SME/tk/index.htm
deklination = -23.45 * math.cos(K * 360 * (day + 10) / 365)
zeitgleichung = 60.0 * (-0.171 * math.sin(0.0337 * day + 0.465) -
0.1299 * math.sin(0.01787 * day - 0.168))
stundenwinkel = 15.0 * (hour - (15.0 - longitude) / 15.0 - 12.0 +
zeitgleichung / 60.0)
x = math.sin(K * latitude) * math.sin(K * deklination) + math.cos(
K * latitude) * math.cos(K * deklination) * math.cos(
K * stundenwinkel)
y = -(math.sin(K * latitude) * x - math.sin(K * deklination)) / (
math.cos(K * latitude) * math.sin(math.acos(x)))
elevation = math.asin(x) / K
isBreak = hour <= 12.0 + (15.0 -
longitude) / 15.0 - zeitgleichung / 60.0
if isBreak: azimut = math.acos(y) / K
else: azimut = 360.0 - math.acos(y) / K
return elevation, azimut
def to_java_zoneddatetime(value):
'''Returns java.time.ZonedDateTime (with system timezone, if none specified).
Accepts any date type used by this module.'''
timezone_id = ZoneId.systemDefault()
if isinstance(value, ZonedDateTime):
return value
# java.time.LocalDateTime
if isinstance(value, LocalDateTime):
return value.atZone(timezone_id)
# python datetime
if isinstance(value, datetime.datetime):
if value.tzinfo is not None:
timezone_id = ZoneId.ofOffset(
"GMT",
ZoneOffset.ofTotalSeconds(value.utcoffset().total_seconds()))
return ZonedDateTime.of(value.year, value.month, value.day, value.hour,
value.minute, value.second,
value.microsecond * 1000, timezone_id)
# java.util.Calendar
if isinstance(value, Calendar):
return ZonedDateTime.ofInstant(value.toInstant(),
ZoneId.of(value.getTimeZone().getID()))
# java.util.Date
if isinstance(value, Date):
return ZonedDateTime.ofInstant(
value.toInstant(),
ZoneId.ofOffset(
"GMT",
ZoneOffset.ofTotalSeconds(value.getTimezoneOffset() * 60)))
# Joda DateTime
if isinstance(value, DateTime):
return value.toGregorianCalendar().toZonedDateTime()
# OH DateTimeType or ESH DateTimeType
if isinstance(value, (LegacyDateTimeType, DateTimeType)):
return to_java_zoneddatetime(value.calendar)
raise Exception("Invalid conversion: " + str(type(value)))