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 optparse 8 import os 9 import sys 10 11 from util import build_utils 12 13 14 _RESOURCE_CLASSES = [ 15 "R.class", 16 "R##*.class", 17 "Manifest.class", 18 "Manifest##*.class", 19 ] 20 21 22 def 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 44 def 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 52 def 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 92 if __name__ == '__main__': 93 sys.exit(main()) 94 95
