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# *****************************************************************************
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# See NOTICE file for details.
#
# *****************************************************************************
import _jpype
import datetime
import decimal
import sys
import _jpype
from . import _jclass
from . import _jcustomizer
# Copies of all private base types for reference
_JClass = _jpype._JClass
_JObject = _jpype._JObject
_JException = _jpype._JException
_JNumberLong = _jpype._JNumberLong
_JNumberFloat = _jpype._JNumberFloat
_JComparable = _jpype._JComparable
_JChar = _jpype._JChar
_JBoolean = _jpype._JBoolean
_JArray = _jpype._JArray
_JBuffer = _jpype._JBuffer
if sys.version_info < (3, 8): # pragma: no cover
from typing_extensions import Protocol, runtime_checkable
from typing import Sequence, Mapping, Set # lgtm [py/unused-import]
from typing import SupportsFloat, Callable # lgtm [py/unused-import]
@runtime_checkable
class SupportsIndex(Protocol):
def __index__(self) -> int: ...
else:
# 3.8 onward
from typing import Protocol, runtime_checkable
from typing import SupportsIndex, SupportsFloat # lgtm [py/unused-import]
from typing import Sequence, Mapping, Set, Callable # lgtm [py/unused-import]
# Types we need
@runtime_checkable
class SupportsPath(Protocol):
def __fspath__(self) -> str: ...
@_jcustomizer.JConversion("java.nio.file.Path", instanceof=SupportsPath)
def _JPathConvert(jcls, obj):
Paths = _jpype.JClass("java.nio.file.Paths")
return Paths.get(obj.__fspath__())
@_jcustomizer.JConversion("java.io.File", instanceof=SupportsPath)
def _JFileConvert(jcls, obj):
return jcls(obj.__fspath__())
# To be added in 1.1.x
@_jcustomizer.JConversion("java.lang.Iterable", instanceof=Sequence, excludes=str)
@_jcustomizer.JConversion("java.util.Collection", instanceof=Sequence, excludes=str)
def _JSequenceConvert(jcls, obj):
return _jclass.JClass('java.util.Arrays').asList(obj)
@_jcustomizer.JConversion("java.lang.Iterable", instanceof=Set)
@_jcustomizer.JConversion("java.util.Collection", instanceof=Set)
def _JSetConvert(jcls, obj):
# set does not satisfy PySequence_Check and collection is too broad as it
# would let dict be converted, so we are going to have to convert twice
# for now
return _jclass.JClass('java.util.Arrays').asList(list(obj))
@_jcustomizer.JConversion("java.util.Map", instanceof=Mapping)
def _JMapConvert(jcls, obj):
hm = _jclass.JClass('java.util.HashMap')()
for p, v in obj.items():
hm[p] = v
return hm
# Converters start here
@_jcustomizer.JConversion("java.time.Instant", exact=datetime.datetime)
def _JInstantConversion(jcls, obj):
utc = obj.replace(tzinfo=datetime.timezone.utc).timestamp()
sec = int(utc)
nsec = int((utc - sec) * 1e9)
return jcls.ofEpochSecond(sec, nsec)
# Types needed for SQL
@_jcustomizer.JImplementationFor('java.sql.Date')
class _JSQLDate:
def _py(self):
return datetime.date(self.getYear() + 1900, self.getMonth() + 1, self.getDate())
@_jcustomizer.JImplementationFor('java.sql.Time')
class _JSQLTime:
def _py(self):
return datetime.time(self.getHours(), self.getMinutes(), self.getSeconds())
@_jcustomizer.JImplementationFor('java.sql.Timestamp')
class _JDate:
def _py(self):
return datetime.datetime(self.getYear() + 1900, self.getMonth() + 1, self.getDate(),
self.getHours(), self.getMinutes(), self.getSeconds(), self.getNanos() // 1000)
@_jcustomizer.JImplementationFor('java.math.BigDecimal')
class _JBigDecimal:
def _py(self):
return decimal.Decimal(str(self))
@_jcustomizer.JConversion("java.sql.Time", instanceof=datetime.time)
def _toTime(jcls, x):
return jcls(x.hour, x.minute, x.second)
@_jcustomizer.JConversion("java.sql.Date", instanceof=datetime.date)
def _toDate(jcls, x):
return jcls(x.year - 1900, x.month - 1, x.day)
@_jcustomizer.JConversion("java.sql.Timestamp", instanceof=datetime.datetime)
def _toTimestamp(jcls, x):
return jcls(x.year - 1900, x.month - 1, x.day, x.hour, x.minute, x.second, x.microsecond * 1000)
@_jcustomizer.JConversion("java.math.BigDecimal", instanceof=decimal.Decimal)
def _toBigDecimal(jcls, x):
return jcls(str(x))
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