Port EMMA Java code coverage build rules to GN

build/android/gyp/apkbuilder.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Adds the code parts to a resource APK."""
 
 import argparse
 import itertools
@@ skipping 33 matching lines @@
                       help='Path to the classes.dex to use')
   # TODO(agrieve): Switch this to be a list of files rather than a directory.
   parser.add_argument('--native-libs-dir',
                       help='Directory containing native libraries to include',
                       default=[])
   parser.add_argument('--android-abi',
                       help='Android architecture to use for native libraries')
   parser.add_argument('--native-lib-placeholders',
                       help='GYP-list of native library placeholders to add.',
                       default='[]')
+  parser.add_argument('--emma-device-jar',
+                      help='Path to emma_device.jar to include.')
   options = parser.parse_args(args)
   options.assets = build_utils.ParseGypList(options.assets)
   options.uncompressed_assets = build_utils.ParseGypList(
       options.uncompressed_assets)
   options.native_lib_placeholders = build_utils.ParseGypList(
       options.native_lib_placeholders)
 
   if not options.android_abi and (options.native_libs_dir or
                                   options.native_lib_placeholders):
     raise Exception('Must specify --android-abi with --native-libs-dir')
@@ skipping 51 matching lines @@
   options = _ParseArgs(args)
 
   native_libs = []
   if options.native_libs_dir:
     native_libs = _ListSubPaths(options.native_libs_dir)
 
   input_paths = [options.resource_apk, __file__] + native_libs
   if options.dex_file:
     input_paths.append(options.dex_file)
 
+  if options.emma_device_jar:
+    input_paths.append(options.emma_device_jar)
+
   input_strings = [options.android_abi, options.native_lib_placeholders]
 
   for path in itertools.chain(options.assets, options.uncompressed_assets):
     src_path, dest_path = _SplitAssetPath(path)
     input_paths.append(src_path)
     input_strings.append(dest_path)
 
   def on_stale_md5():
     tmp_apk = options.output_apk + '.tmp'
     try:
@@ skipping 10 matching lines @@
           basename = os.path.basename(path)
           apk.write(path, 'lib/%s/%s' % (options.android_abi, basename))
         for name in options.native_lib_placeholders:
           # Make it non-empty so that its checksum is non-zero and is not
           # ignored by md5_check.
           apk.writestr('lib/%s/%s' % (options.android_abi, name), ':)',
                        zipfile.ZIP_STORED)
         if options.dex_file:
           apk.write(options.dex_file, 'classes.dex')
 
+        if options.emma_device_jar:
+          # Add EMMA Java resources to APK.
+          with zipfile.ZipFile(options.emma_device_jar, 'r') as emma_device_jar:
+            for emma_device_jar_entry in emma_device_jar.namelist():
+              entry_name_lower = emma_device_jar_entry.lower()
+              if entry_name_lower.startswith('meta-inf/'):
+                continue
+
+              if entry_name_lower.endswith('/'):
+                continue
+
+              if entry_name_lower.endswith('.class'):
+                continue
+
+              apk.writestr(emma_device_jar_entry,
+                           emma_device_jar.read(emma_device_jar_entry))
+
       shutil.move(tmp_apk, options.output_apk)
     finally:
       if os.path.exists(tmp_apk):
         os.unlink(tmp_apk)
 
   build_utils.CallAndWriteDepfileIfStale(
       on_stale_md5,
       options,
       input_paths=input_paths,
       input_strings=input_strings,
       output_paths=[options.output_apk])
 
 
 if __name__ == '__main__':
   main(sys.argv[1:])