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- #*****************************************************************************
- # Copyright 2013 Thomas Calmant
- #
- # 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.
- #
- #*****************************************************************************
- import os
- from . import _jvmfinder
- # ------------------------------------------------------------------------------
- class LinuxJVMFinder(_jvmfinder.JVMFinder):
- """
- Linux JVM library finder class
- """
- def __init__(self):
- """
- Sets up members
- """
- # Call the parent constructor
- _jvmfinder.JVMFinder.__init__(self)
- # Java bin file
- self._java = "/usr/bin/java"
- # Library file name
- self._libfile = "libjvm.so"
- # Predefined locations
- self._locations = ("/usr/lib/jvm", "/usr/java", "/opt/sun")
- # Search methods
- self._methods = (self._get_from_java_home,
- self._get_from_bin,
- self._get_from_known_locations)
- def _get_from_bin(self):
- """
- Retrieves the Java library path according to the real installation of
- the java executable
- :return: The path to the JVM library, or None
- """
- # Find the real interpreter installation path
- java_bin = os.path.realpath(self._java)
- if os.path.exists(java_bin):
- # Get to the home directory
- java_home = os.path.abspath(os.path.join(os.path.dirname(java_bin),
- '..'))
- # Look for the JVM library
- return self.find_libjvm(java_home)
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