Home | History | Annotate | Download | only in build 
      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%': '',
     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   # This target exports a hard dependency because it generates header
     65   # files.
     66   'hard_dependency': 1,
     67   'conditions': [
     68     ['android_webview_build==1', {
     69       'variables': {
     70         'native_exports%': '--native_exports',
     71       },
     72       'dependencies': [
     73         '<(DEPTH)/build/android/android_exports.gyp:android_exports',
     74       ],
     75     }],
     76   ],
     77 }
     78