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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 fnmatch
8import optparse
9import os
10import sys
11
12from util import build_utils
13from util import md5_check
14
15
16def Jar(class_files, classes_dir, jar_path, manifest_file=None):
17  jar_path = os.path.abspath(jar_path)
18
19  # The paths of the files in the jar will be the same as they are passed in to
20  # the command. Because of this, the command should be run in
21  # options.classes_dir so the .class file paths in the jar are correct.
22  jar_cwd = classes_dir
23  class_files_rel = [os.path.relpath(f, jar_cwd) for f in class_files]
24  jar_cmd = ['jar', 'cf0', jar_path]
25  if manifest_file:
26    jar_cmd[1] += 'm'
27    jar_cmd.append(os.path.abspath(manifest_file))
28  jar_cmd.extend(class_files_rel)
29
30  record_path = '%s.md5.stamp' % jar_path
31  md5_check.CallAndRecordIfStale(
32      lambda: build_utils.CheckOutput(jar_cmd, cwd=jar_cwd),
33      record_path=record_path,
34      input_paths=class_files,
35      input_strings=jar_cmd,
36      force=not os.path.exists(jar_path),
37      )
38
39  build_utils.Touch(jar_path, fail_if_missing=True)
40
41
42def JarDirectory(classes_dir, excluded_classes, jar_path, manifest_file=None):
43  class_files = build_utils.FindInDirectory(classes_dir, '*.class')
44  for exclude in excluded_classes:
45    class_files = filter(
46        lambda f: not fnmatch.fnmatch(f, exclude), class_files)
47
48  Jar(class_files, classes_dir, jar_path, manifest_file=manifest_file)
49
50
51def main():
52  parser = optparse.OptionParser()
53  parser.add_option('--classes-dir', help='Directory containing .class files.')
54  parser.add_option('--jar-path', help='Jar output path.')
55  parser.add_option('--excluded-classes',
56      help='List of .class file patterns to exclude from the jar.')
57  parser.add_option('--stamp', help='Path to touch on success.')
58
59  options, _ = parser.parse_args()
60
61  if options.excluded_classes:
62    excluded_classes = build_utils.ParseGypList(options.excluded_classes)
63  else:
64    excluded_classes = []
65  JarDirectory(options.classes_dir,
66               excluded_classes,
67               options.jar_path)
68
69  if options.stamp:
70    build_utils.Touch(options.stamp)
71
72
73if __name__ == '__main__':
74  sys.exit(main())
75
76