| #!/usr/bin/env python |
| # |
| # Copyright 2007 Google Inc. |
| # |
| # 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. |
| # |
| """Handles the generation of quickstart-web.xml based on servlet annotations.""" |
| |
| from __future__ import with_statement |
| |
| import os |
| import subprocess |
| |
| from google.appengine.tools import java_utils |
| |
| |
| _QUICKSTART_JAR_PATH = os.path.join( |
| 'google', 'appengine', 'javamanagedvm', 'appengine-java-vmruntime', |
| 'quickstartgenerator.jar') |
| |
| |
| def quickstart_generator(war_path, sdk_root=None): |
| """Run the quickstart-web.xml generator on the given Java app. |
| |
| If the generator succeeds in creating quickstart-web.xml, this method returns |
| its contents. Otherwise, it raises RuntimeError. If there was already a |
| quickstart-web.xml when this method started, it is removed before generation |
| is attempted. |
| |
| Args: |
| war_path: a string that is the path to a Java app. It should name a |
| directory that contains a WEB-INF subdirectory. |
| sdk_root: a string that is the path to an App Engine SDK with Java support. |
| |
| Returns: |
| a string that is the contents of the generated quickstart-web.xml. |
| |
| Raises: |
| CalledProcessError: if the quickstart generation fails. |
| IOError: if the quickstart generation apparently succeeds but the |
| quickstart-web.xml file is not created. (This should not happen.) |
| """ |
| if not sdk_root: |
| sdk_root = os.path.dirname(os.path.dirname( |
| os.path.dirname(os.path.dirname(java_utils.__file__)))) |
| |
| quickstart_xml_path = os.path.join(war_path, 'WEB-INF', 'quickstart-web.xml') |
| if os.path.exists(quickstart_xml_path): |
| os.remove(quickstart_xml_path) |
| |
| java_home, exec_suffix = java_utils.JavaHomeAndSuffix() |
| java_command = os.path.join(java_home, 'bin', 'java') + exec_suffix |
| |
| quickstartgenerator_jar = os.path.join(sdk_root, _QUICKSTART_JAR_PATH) |
| command = [java_command, '-jar', quickstartgenerator_jar, war_path] |
| subprocess.check_call(command) |
| |
| with open(quickstart_xml_path) as f: |
| return f.read() |