Current File : //lib/fm-agent/dependencies/linux2/python2.6/jpype/_windows.py
#*****************************************************************************
# Copyright 2004-2008 Steve Menard
#
# 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 _jvmfinder
try:
import _winreg as winreg
except ImportError:
import winreg # in Py3, winreg has been moved
# ------------------------------------------------------------------------------
class WindowsJVMFinder(_jvmfinder.JVMFinder):
"""
Linux JVM library finder class
"""
def __init__(self):
"""
Sets up members
"""
# Call the parent constructor
_jvmfinder.JVMFinder.__init__(self)
# Library file name
self._libfile = "jvm.dll"
# Search methods
self._methods = (self._get_from_java_home,
self._get_from_registry)
def _get_from_registry(self):
"""
Retrieves the path to the default Java installation stored in the
Windows registry
:return: The path found in the registry, or None
"""
try :
jreKey = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE,
r"SOFTWARE\JavaSoft\Java Runtime Environment")
cv = winreg.QueryValueEx(jreKey, "CurrentVersion")
versionKey = winreg.OpenKey(jreKey, cv[0])
winreg.CloseKey(jreKey)
cv = winreg.QueryValueEx(versionKey, "RuntimeLib")
winreg.CloseKey(versionKey)
return cv[0]
except WindowsError:
return None
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