# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
-"""Generate java source files from protobufs
+"""Generate java source files from protobuf files.
Usage:
protoc_java.py {protoc} {proto_path} {java_out} {stamp_file} {proto_files}
protoc_path, proto_path, java_out, stamp_file = argv[1:5]
proto_files = argv[5:]
- # Delete all old sources
+ # Delete all old sources.
if os.path.exists(java_out):
shutil.rmtree(java_out)
- # Create source directory
+ # Create source directory.
os.makedirs(java_out)
- # Generate Java files using protoc
+ # Specify arguments to the generator.
+ generator_args = ['optional_field_style=reftypes',
+ 'store_unknown_fields=true']
+ out_arg = '--javanano_out=' + ','.join(generator_args) + ':' + java_out
+
+ # Generate Java files using protoc.
ret = subprocess.call(
- [protoc_path, '--proto_path', proto_path, '--java_out', java_out]
- + proto_files)
+ [protoc_path, '--proto_path', proto_path, out_arg] + proto_files)
if ret == 0:
- # Create a new stamp file
+ # Create a new stamp file.
with file(stamp_file, 'a'):
os.utime(stamp_file, None)