michael@0: # Copyright (c) 2012 The Chromium Authors. All rights reserved.
michael@0: # Use of this source code is governed by a BSD-style license that can be
michael@0: # found in the LICENSE file.
michael@0: 
michael@0: # This file is meant to be included into a target to provide a rule
michael@0: # to generate jni bindings for Java-files in a consistent manner.
michael@0: #
michael@0: # To use this, create a gyp target with the following form:
michael@0: #  {
michael@0: #    'target_name': 'base_jni_headers',
michael@0: #    'type': 'none',
michael@0: #    'sources': [
michael@0: #      'android/java/src/org/chromium/base/BuildInfo.java',
michael@0: #      ...
michael@0: #      ...
michael@0: #      'android/java/src/org/chromium/base/SystemMessageHandler.java',
michael@0: #    ],
michael@0: #    'variables': {
michael@0: #      'jni_gen_dir': 'base',
michael@0: #    },
michael@0: #    'includes': [ '../build/jni_generator.gypi' ],
michael@0: #  },
michael@0: #
michael@0: # The generated file name pattern can be seen on the "outputs" section below.
michael@0: # (note that RULE_INPUT_ROOT is the basename for the java file).
michael@0: #
michael@0: # See base/android/jni_generator/jni_generator.py for more info about the
michael@0: # format of generating JNI bindings.
michael@0: 
michael@0: {
michael@0:   'variables': {
michael@0:     'jni_generator': '<(DEPTH)/base/android/jni_generator/jni_generator.py',
michael@0:   },
michael@0:   'rules': [
michael@0:     {
michael@0:       'rule_name': 'generate_jni_headers',
michael@0:       'extension': 'java',
michael@0:       'inputs': [
michael@0:         '<(jni_generator)',
michael@0:       ],
michael@0:       'outputs': [
michael@0:         '<(SHARED_INTERMEDIATE_DIR)/<(jni_gen_dir)/jni/<(RULE_INPUT_ROOT)_jni.h',
michael@0:       ],
michael@0:       'action': [
michael@0:         '<(jni_generator)',
michael@0:         '--input_file',
michael@0:         '<(RULE_INPUT_PATH)',
michael@0:         '--output_dir',
michael@0:         '<(SHARED_INTERMEDIATE_DIR)/<(jni_gen_dir)/jni',
michael@0:       ],
michael@0:       'message': 'Generating JNI bindings from <(RULE_INPUT_PATH)',
michael@0:       'process_outputs_as_sources': 1,
michael@0:     },
michael@0:   ],
michael@0:   # This target exports a hard dependency because it generates header
michael@0:   # files.
michael@0:   'hard_dependency': 1,
michael@0: }