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1#!/usr/bin/env python
2#
3# Copyright 2013 The Chromium Authors. All rights reserved.
4# Use of this source code is governed by a BSD-style license that can be
5# found in the LICENSE file.
6
7import optparse
8import os
9import sys
10
11from util import build_utils
12
13
14_RESOURCE_CLASSES = [
15    "R.class",
16    "R##*.class",
17    "Manifest.class",
18    "Manifest##*.class",
19]
20
21
22def Jar(class_files, classes_dir, jar_path, manifest_file=None):
23  jar_path = os.path.abspath(jar_path)
24
25  # The paths of the files in the jar will be the same as they are passed in to
26  # the command. Because of this, the command should be run in
27  # options.classes_dir so the .class file paths in the jar are correct.
28  jar_cwd = classes_dir
29  class_files_rel = [os.path.relpath(f, jar_cwd) for f in class_files]
30  jar_cmd = ['jar', 'cf0', jar_path]
31  if manifest_file:
32    jar_cmd[1] += 'm'
33    jar_cmd.append(os.path.abspath(manifest_file))
34  jar_cmd.extend(class_files_rel)
35
36  if not class_files_rel:
37    empty_file = os.path.join(classes_dir, '.empty')
38    build_utils.Touch(empty_file)
39    jar_cmd.append(os.path.relpath(empty_file, jar_cwd))
40  build_utils.CheckOutput(jar_cmd, cwd=jar_cwd)
41  build_utils.Touch(jar_path, fail_if_missing=True)
42
43
44def JarDirectory(classes_dir, jar_path, manifest_file=None, predicate=None):
45  class_files = build_utils.FindInDirectory(classes_dir, '*.class')
46  if predicate:
47    class_files = [f for f in class_files if predicate(f)]
48
49  Jar(class_files, classes_dir, jar_path, manifest_file=manifest_file)
50
51
52def main():
53  parser = optparse.OptionParser()
54  parser.add_option('--classes-dir', help='Directory containing .class files.')
55  parser.add_option('--input-jar', help='Jar to include .class files from')
56  parser.add_option('--jar-path', help='Jar output path.')
57  parser.add_option('--excluded-classes',
58      help='GYP list of .class file patterns to exclude from the jar.')
59  parser.add_option('--strip-resource-classes-for',
60      help='GYP list of java package names exclude R.class files in.')
61  parser.add_option('--stamp', help='Path to touch on success.')
62
63  args = build_utils.ExpandFileArgs(sys.argv[1:])
64  options, _ = parser.parse_args(args)
65  # Current implementation supports just one or the other of these:
66  assert not options.classes_dir or not options.input_jar
67
68  excluded_classes = []
69  if options.excluded_classes:
70    excluded_classes = build_utils.ParseGypList(options.excluded_classes)
71
72  if options.strip_resource_classes_for:
73    packages = build_utils.ParseGypList(options.strip_resource_classes_for)
74    excluded_classes.extend(p.replace('.', '/') + '/' + f
75                            for p in packages for f in _RESOURCE_CLASSES)
76
77  predicate = None
78  if excluded_classes:
79    predicate = lambda f: not build_utils.MatchesGlob(f, excluded_classes)
80
81  with build_utils.TempDir() as temp_dir:
82    classes_dir = options.classes_dir
83    if options.input_jar:
84      build_utils.ExtractAll(options.input_jar, temp_dir)
85      classes_dir = temp_dir
86    JarDirectory(classes_dir, options.jar_path, predicate=predicate)
87
88  if options.stamp:
89    build_utils.Touch(options.stamp)
90
91
92if __name__ == '__main__':
93  sys.exit(main())
94
95