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  • Committer: Bazaar Package Importer
  • Author(s): Ludovico Cavedon
  • Date: 2010-07-18 11:16:04 UTC
  • mfrom: (1.1.3 upstream)
  • Revision ID: james.westby@ubuntu.com-20100718111604-pmncb3js701dk0qp
Tags: 2.6-1
* New upstream release.
* Fix typo in README.Debian.
* Refresh avoid-ftbfs-unknown-archs.patch.
* Update Standards-Version to 3.9.0.

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jcc/windows.py
 
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#   Licensed under the Apache License, Version 2.0 (the "License");
 
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#   you may not use this file except in compliance with the License.
 
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#   You may obtain a copy of the License at
 
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#
 
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#       http://www.apache.org/licenses/LICENSE-2.0
 
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#
 
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#   Unless required by applicable law or agreed to in writing, software
 
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#   distributed under the License is distributed on an "AS IS" BASIS,
 
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#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 
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#   See the License for the specific language governing permissions and
 
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#   limitations under the License.
 
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import os, _winreg
 
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class WindowsRegistry(object):
 
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    def __init__(self):
 
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        self.handle = _winreg.ConnectRegistry(None, _winreg.HKEY_LOCAL_MACHINE)
 
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    def get(self, key, name):
 
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        handle = None
 
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        try:
 
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            handle = _winreg.OpenKey(self.handle, key)
 
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            return _winreg.QueryValueEx(handle, name)[0]
 
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        finally:
 
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            if handle is not None:
 
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                handle.Close()
 
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    def close(self):
 
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        self.handle.Close()
 
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def get_jvm_dll_directory(client_or_server="client"):
 
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    jre_key = r"SOFTWARE\JavaSoft\Java Runtime Environment"
 
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    jdk_key = r"SOFTWARE\JavaSoft\Java Development Kit"
 
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    current_key = r"%s\%s"
 
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    registry = None
 
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    try:
 
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        registry = WindowsRegistry()
 
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        try: # try JRE
 
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            version = registry.get(jre_key, "CurrentVersion")
 
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            path = registry.get(current_key %(jre_key, version), "JavaHome")
 
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            if not os.path.exists(path):
 
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                path = None
 
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        except:
 
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            path = None
 
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        if not path:
 
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            try: # try JDK
 
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                version = registry.get(jdk_key, "CurrentVersion")
 
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                path = registry.get(current_key %(jdk_key, version), "JavaHome")
 
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                if os.path.exists(path):
 
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                    path = os.path.abspath(os.path.join(path, "jre"))
 
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                else:
 
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                    path = None
 
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            except:
 
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                path = None
 
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    finally:
 
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        if registry is not None:
 
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            registry.close()
 
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    if path:
 
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        path = os.path.abspath(os.path.join(path, "bin", client_or_server))
 
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        if os.path.exists(os.path.join(path, "jvm.dll")):
 
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            return path
 
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    return None
 
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def add_jvm_dll_directory_to_path():
 
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    path = os.environ['Path'].split(os.pathsep)
 
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    dll_path = get_jvm_dll_directory()
 
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    if dll_path is not None:
 
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        path.append(dll_path)
 
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        os.environ['Path'] = os.pathsep.join(path)
 
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        return True
 
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    raise ValueError, "jvm.dll could not be found"