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#*****************************************************************************
# Copyright 2017 Karl Einar Nelson
#
# 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.
#
#*****************************************************************************
from . import _jclass
from . import JavaException
import sys as _sys
if _sys.version > '3':
pass
def _closeableExit(self,exception_type, exception_value, traceback):
info = _sys.exc_info()
try:
self.close()
except JavaException as jex:
# Eat the second exception if we are already handling one.
if (info[0]==None):
raise jex
pass
def _closeableEnter(self):
return self
class CloseableCustomizer(object):
_METHODS = {
'__enter__': _closeableEnter,
'__exit__': _closeableExit,
}
def canCustomize(self, name, jc):
if name == 'java.io.Closeable':
return True
return False
def customize(self, name, jc, bases, members):
members.update(CloseableCustomizer._METHODS)
_jclass.registerClassCustomizer(CloseableCustomizer())
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