53 lines
1.8 KiB
Python
53 lines
1.8 KiB
Python
# Copyright 2018 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import os
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# Utilities to read and write .jar.info files.
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#
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# A .jar.info file contains a simple mapping from fully-qualified Java class
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# names to the source file that actually defines it.
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#
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# For APKs, the .jar.info maps the class names to the .jar file that which
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# contains its .class definition instead.
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def ParseJarInfoFile(info_path):
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"""Parse a given .jar.info file as a dictionary.
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Args:
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info_path: input .jar.info file path.
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Returns:
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A new dictionary mapping fully-qualified Java class names to file paths.
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"""
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info_data = dict()
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if os.path.exists(info_path):
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with open(info_path, 'r') as info_file:
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for line in info_file:
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line = line.strip()
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if line:
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fully_qualified_name, path = line.split(',', 1)
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info_data[fully_qualified_name] = path
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return info_data
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def WriteJarInfoFile(info_path, info_data, source_file_map=None):
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"""Generate a .jar.info file from a given dictionary.
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Args:
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info_path: output file path.
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info_data: a mapping of fully qualified Java class names to filepaths.
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source_file_map: an optional mapping from java source file paths to the
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corresponding source .srcjar. This is because info_data may contain the
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path of Java source files that where extracted from an .srcjar into a
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temporary location.
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"""
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with open(info_path, 'w') as info_file:
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for fully_qualified_name, path in info_data.iteritems():
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if source_file_map and path in source_file_map:
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path = source_file_map[path]
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assert not path.startswith('/tmp'), (
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'Java file path should not be in temp dir: {}'.format(path))
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info_file.write('{},{}\n'.format(fully_qualified_name, path))
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