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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 
      7 import fnmatch
      8 import optparse
      9 import os
     10 import sys
     11 
     12 from util import build_utils
     13 from util import md5_check
     14 
     15 
     16 def DoJar(options):
     17   class_files = build_utils.FindInDirectory(options.classes_dir, '*.class')
     18   for exclude in build_utils.ParseGypList(options.excluded_classes):
     19     class_files = filter(
     20         lambda f: not fnmatch.fnmatch(f, exclude), class_files)
     21 
     22   jar_path = os.path.abspath(options.jar_path)
     23 
     24   # The paths of the files in the jar will be the same as they are passed in to
     25   # the command. Because of this, the command should be run in
     26   # options.classes_dir so the .class file paths in the jar are correct.
     27   jar_cwd = options.classes_dir
     28   class_files_rel = [os.path.relpath(f, jar_cwd) for f in class_files]
     29   jar_cmd = ['jar', 'cf0', jar_path] + class_files_rel
     30 
     31   record_path = '%s.md5.stamp' % options.jar_path
     32   md5_check.CallAndRecordIfStale(
     33       lambda: build_utils.CheckCallDie(jar_cmd, cwd=jar_cwd),
     34       record_path=record_path,
     35       input_paths=class_files,
     36       input_strings=jar_cmd)
     37 
     38   build_utils.Touch(options.jar_path)
     39 
     40 
     41 def main(argv):
     42   parser = optparse.OptionParser()
     43   parser.add_option('--classes-dir', help='Directory containing .class files.')
     44   parser.add_option('--jar-path', help='Jar output path.')
     45   parser.add_option('--excluded-classes',
     46       help='List of .class file patterns to exclude from the jar.')
     47   parser.add_option('--stamp', help='Path to touch on success.')
     48 
     49   # TODO(newt): remove this once http://crbug.com/177552 is fixed in ninja.
     50   parser.add_option('--ignore', help='Ignored.')
     51 
     52   options, _ = parser.parse_args()
     53 
     54   DoJar(options)
     55 
     56   if options.stamp:
     57     build_utils.Touch(options.stamp)
     58 
     59 
     60 if __name__ == '__main__':
     61   sys.exit(main(sys.argv))
     62 
     63