1 # Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 # This file is meant to be included into a target to provide a rule 6 # to generate jni bindings for system Java-files in a consistent manner. 7 # 8 # To use this, create a gyp target with the following form: 9 # { 10 # 'target_name': 'android_jar_jni_headers', 11 # 'type': 'none', 12 # 'variables': { 13 # 'jni_gen_package': 'chrome', 14 # 'input_java_class': 'java/io/InputStream.class', 15 # }, 16 # 'includes': [ '../build/jar_file_jni_generator.gypi' ], 17 # }, 18 # 19 # Optional variables: 20 # input_jar_file - The input jar file, if omitted, android_sdk_jar will be used. 21 22 { 23 'variables': { 24 'jni_generator': '<(DEPTH)/base/android/jni_generator/jni_generator.py', 25 # A comma separated string of include files. 26 'jni_generator_includes%': ( 27 'base/android/jni_generator/jni_generator_helper.h' 28 ), 29 'native_exports%': '--native_exports_optional', 30 }, 31 'actions': [ 32 { 33 'action_name': 'generate_jni_headers_from_jar_file', 34 'inputs': [ 35 '<(jni_generator)', 36 '<(input_jar_file)', 37 '<(android_sdk_jar)', 38 ], 39 'variables': { 40 'java_class_name': '<!(basename <(input_java_class)|sed "s/\.class//")', 41 'input_jar_file%': '<(android_sdk_jar)' 42 }, 43 'outputs': [ 44 '<(SHARED_INTERMEDIATE_DIR)/<(jni_gen_package)/jni/<(java_class_name)_jni.h', 45 ], 46 'action': [ 47 '<(jni_generator)', 48 '-j', 49 '<(input_jar_file)', 50 '--input_file', 51 '<(input_java_class)', 52 '--output_dir', 53 '<(SHARED_INTERMEDIATE_DIR)/<(jni_gen_package)/jni', 54 '--includes', 55 '<(jni_generator_includes)', 56 '--optimize_generation', 57 '<(optimize_jni_generation)', 58 '<(native_exports)', 59 ], 60 'message': 'Generating JNI bindings from <(input_jar_file)/<(input_java_class)', 61 'process_outputs_as_sources': 1, 62 }, 63 ], 64 'direct_dependent_settings': { 65 'include_dirs': [ 66 '<(SHARED_INTERMEDIATE_DIR)/<(jni_gen_package)', 67 ], 68 }, 69 # This target exports a hard dependency because it generates header 70 # files. 71 'hard_dependency': 1, 72 } 73