Add templates for building java and running the jni_generator.

As requested in http://codereview.chromium.org/10073024/, I've created
templates for these two actions. I've also applied them to base.


Review URL: http://codereview.chromium.org/10081035

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@132537 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 109 insertions, 0 deletions

diff --git a/build/java.gypi b/build/java.gypi
new file mode 100644
index 0000000..9a6a6ed
--- /dev/null
+++ b/build/java.gypi
@@ -0,0 +1,53 @@
+# 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 build Java in a consistent manner.
+#
+# To use this, create a gyp target with the following form:
+# {
+#   'target_name': 'my-package_java',
+#   'type': 'none',
+#   'variables': {
+#     'package_name': 'my-package',
+#     'java_in_dir': 'path/to/package/root',
+#   },
+#   'includes': ['path/to/this/gypi/file'],
+# }
+#
+# Note that this assumes that there's ant buildfile with package_name in
+# java_in_dir. So if if you have package_name="base" and
+# java_in_dir="base/android/java" you should have a directory structure like:
+#
+# base/android/java/base.xml
+# base/android/java/org/chromium/base/Foo.java
+# base/android/java/org/chromium/base/Bar.java
+#
+# Finally, the generated jar-file will be:
+#   <(PRODUCT_DIR)/chromium_base.jar
+#
+# TODO(yfriedman): The "finally" statement isn't entirely true yet, as we don't
+# auto-generate the ant file yet.
+
+{
+  'actions': [
+    {
+      'action_name': 'ant_<(package_name)',
+      'message': 'Building <(package_name) java sources.',
+      'inputs': [
+         '<(java_in_dir)/<(package_name).xml',
+         '<!@(find <(java_in_dir) -name "*.java")'
+      ],
+      'outputs': [
+         '<(PRODUCT_DIR)/chromium_<(package_name).jar',
+      ],
+      'action': [
+        'ant',
+        '-DPRODUCT_DIR=<(PRODUCT_DIR)',
+        '-buildfile',
+        '<(java_in_dir)/<(package_name).xml',
+      ]
+    },
+  ],
+}
diff --git a/build/jni_generator.gypi b/build/jni_generator.gypi
new file mode 100644
index 0000000..b570026
--- /dev/null
+++ b/build/jni_generator.gypi
@@ -0,0 +1,56 @@
+# 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 Java-files in a consistent manner.
+#
+# To use this, create a gyp target with the following form:
+# {
+#   'target_name': 'base_jni_headers',
+#   'type': 'none',
+#   'variables': {
+#       'java_sources': [
+#         'android/java/org/chromium/base/BuildInfo.java',
+#         'android/java/org/chromium/base/PathUtils.java',
+#         'android/java/org/chromium/base/SystemMessageHandler.java',
+#       ],
+#       'jni_headers': [
+#         '<(SHARED_INTERMEDIATE_DIR)/base/jni/build_info_jni.h',
+#         '<(SHARED_INTERMEDIATE_DIR)/base/jni/path_utils_jni.h',
+#         '<(SHARED_INTERMEDIATE_DIR)/base/jni/system_message_handler_jni.h',
+#       ],
+#   },
+#   'includes': [ '../build/jni_generator.gypi' ],
+# }
+#
+# The ordering of the java_sources must match the ordering of jni_headers. The
+# result is that for each Java file listed in java_sources, the corresponding
+# entry in jni_headers contains the JNI bindings produced from running the
+# jni_generator on the input file.
+#
+# See base/android/jni_generator/jni_generator.py for more info about the
+# format of generating JNI bindings.
+
+{
+  'actions': [
+      {
+        'action_name': 'generate_jni_headers',
+        'type': 'none',
+        'inputs': [
+          '<(DEPTH)/base/android/jni_generator/jni_generator.py',
+          '<@(java_sources)',
+        ],
+        'outputs': [
+          '<@(jni_headers)',
+        ],
+        'action': [
+          'python',
+          '<(DEPTH)/base/android/jni_generator/jni_generator.py',
+          '-o',
+          '<@(_inputs)',
+          '<@(_outputs)',
+        ],
+      },
+  ],
+}