blob: 3d95b280eadf0c86ab2646ba7098d2de3ceab6ee [file] [log] [blame]
# Copyright (c) 2012 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.
# This file is meant to be included into a target to provide a rule
# to generate jni bindings for system Java-files in a consistent manner.
#
# To use this, create a gyp target with the following form:
# {
# 'target_name': 'android_jar_jni_headers',
# 'type': 'none',
# 'variables': {
# 'jni_gen_package': 'chrome',
# 'input_java_class': 'java/io/InputStream.class',
# },
# 'includes': [ '../build/jar_file_jni_generator.gypi' ],
# },
#
# Optional variables:
# input_jar_file - The input jar file, if omitted, android_sdk_jar will be used.
{
'variables': {
'jni_generator': '<(DEPTH)/base/android/jni_generator/jni_generator.py',
# A comma separated string of include files.
'jni_generator_includes%': (
'base/android/jni_generator/jni_generator_helper.h'
),
'native_exports%': '--native_exports_optional',
},
'actions': [
{
'action_name': 'generate_jni_headers_from_jar_file',
'inputs': [
'<(jni_generator)',
'<(input_jar_file)',
'<(android_sdk_jar)',
],
'variables': {
'java_class_name': '<!(basename <(input_java_class)|sed "s/\.class//")',
'input_jar_file%': '<(android_sdk_jar)'
},
'outputs': [
'<(SHARED_INTERMEDIATE_DIR)/<(jni_gen_package)/jni/<(java_class_name)_jni.h',
],
'action': [
'<(jni_generator)',
'-j',
'<(input_jar_file)',
'--input_file',
'<(input_java_class)',
'--output_dir',
'<(SHARED_INTERMEDIATE_DIR)/<(jni_gen_package)/jni',
'--includes',
'<(jni_generator_includes)',
'--optimize_generation',
'<(optimize_jni_generation)',
'<(native_exports)',
],
'message': 'Generating JNI bindings from <(input_jar_file)/<(input_java_class)',
'process_outputs_as_sources': 1,
},
],
# This target exports a hard dependency because it generates header
# files.
'hard_dependency': 1,
}