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1 #!/usr/bin/env python | |
2 # | |
3 # Copyright 2014 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 """Creates a simple script to run a java "binary". | |
8 | |
9 This creates a script that sets up the java command line for running a java | |
10 jar. This includes correctly setting the classpath and the main class. | |
11 """ | |
12 | |
13 import optparse | |
14 import os | |
15 import sys | |
16 | |
17 from util import build_utils | |
18 | |
19 # The java command must be executed in the current directory because there may | |
20 # be user-supplied paths in the args. The script receives the classpath relative | |
21 # to the directory that the script is written in and then, when run, must | |
22 # recalculate the paths relative to the current directory. | |
23 script_template = """\ | |
24 #!/usr/bin/env python | |
25 # | |
26 # This file was generated by build/android/gyp/create_java_binary_script.py | |
27 | |
28 import os | |
29 import sys | |
30 | |
31 self_dir = os.path.dirname(__file__) | |
32 classpath = [{classpath}] | |
33 if os.getcwd() != self_dir: | |
34 offset = os.path.relpath(self_dir, os.getcwd()) | |
35 classpath = [os.path.join(offset, p) for p in classpath] | |
36 java_args = [ | |
37 "java", | |
38 "-classpath", ":".join(classpath), | |
39 "-enableassertions", | |
40 \"{main_class}\"] + sys.argv[1:] | |
41 os.execvp("java", java_args) | |
42 """ | |
43 | |
44 def main(argv): | |
45 argv = build_utils.ExpandFileArgs(argv) | |
46 parser = optparse.OptionParser() | |
47 build_utils.AddDepfileOption(parser) | |
48 parser.add_option('--output', help='Output path for executable script.') | |
49 parser.add_option('--jar-path', help='Path to the main jar.') | |
50 parser.add_option('--main-class', | |
51 help='Name of the java class with the "main" entry point.') | |
52 parser.add_option('--classpath', action='append', | |
53 help='Classpath for running the jar.') | |
54 options, _ = parser.parse_args(argv) | |
55 | |
56 classpath = [options.jar_path] | |
57 for cp_arg in options.classpath: | |
58 classpath += build_utils.ParseGypList(cp_arg) | |
59 | |
60 run_dir = os.path.dirname(options.output) | |
61 classpath = [os.path.relpath(p, run_dir) for p in classpath] | |
62 | |
63 with open(options.output, 'w') as script: | |
64 script.write(script_template.format( | |
65 classpath=('"%s"' % '", "'.join(classpath)), | |
66 main_class=options.main_class)) | |
67 | |
68 os.chmod(options.output, 0750) | |
69 | |
70 if options.depfile: | |
71 build_utils.WriteDepfile( | |
72 options.depfile, | |
73 build_utils.GetPythonDependencies()) | |
74 | |
75 | |
76 if __name__ == '__main__': | |
77 sys.exit(main(sys.argv[1:])) | |
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