Combine base_java.jar, net_java.jar and url_java.jar into cronet.jar

components/cronet/tools/extract_from_jars.py

Index: components/cronet/tools/extract_from_jars.py
diff --git a/components/cronet/tools/extract_from_jars.py b/components/cronet/tools/extract_from_jars.py
new file mode 100755
index 0000000000000000000000000000000000000000..d72d46c162b1f2bce77cbb7a478e6b3f7e919d34
--- /dev/null
+++ b/components/cronet/tools/extract_from_jars.py
@@ -0,0 +1,48 @@
+#!/usr/bin/env python
+#
+# Copyright 2014 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.
+
+import fnmatch
+import optparse
+import os
+import sys
+
+REPOSITORY_ROOT = os.path.abspath(os.path.join(
+    os.path.dirname(__file__), '..', '..', '..'))
+
+sys.path.append(os.path.join(REPOSITORY_ROOT, 'build/android/gyp/util'))
+import build_utils
+
+
+def ExtractJars(options):
+  # The paths of the files in the jar will be the same as they are passed in to
+  # the command. Because of this, the command should be run in
+  # options.classes_dir so the .class file paths in the jar are correct.
+  jar_cwd = options.classes_dir
+  build_utils.DeleteDirectory(jar_cwd)
+  build_utils.MakeDirectory(jar_cwd)
+  for jar in build_utils.ParseGypList(options.jars):
+    jar_path = os.path.abspath(jar)
+    jar_cmd = ['jar', 'xf', jar_path]
+    build_utils.CheckOutput(jar_cmd, cwd=jar_cwd)
+
+
+def main():
+  parser = optparse.OptionParser()
+  parser.add_option('--classes-dir', help='Directory to extract .class files.')
+  parser.add_option('--jars', help='Paths to jars to extract.')
+  parser.add_option('--stamp', help='Path to touch on success.')
+
+  options, _ = parser.parse_args()
+
+  ExtractJars(options)
+
+  if options.stamp:
+    build_utils.Touch(options.stamp)
+
+
+if __name__ == '__main__':
+  sys.exit(main())
+