Add IntDefs to generated Java enums.

build/android/gyp/java_cpp_enum.py

 #!/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 collections
 from datetime import date
 import re
 import optparse
 import os
 from string import Template
 import sys
+import textwrap
 import zipfile
 
 from util import build_utils
 
 # List of C++ types that are compatible with the Java code generated by this
 # script.
 #
 # This script can parse .idl files however, at present it ignores special
 # rules such as [cpp_enum_prefix_override="ax_attr"].
 ENUM_FIXED_TYPE_WHITELIST = ['char', 'unsigned char',
@@ skipping 234 matching lines @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file is autogenerated by
 //     ${SCRIPT_NAME}
 // From
 //     ${SOURCE_PATH}
 
 package ${PACKAGE};
 
+import android.support.annotation.IntDef;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
 public class ${CLASS_NAME} {
+  @IntDef({
+${INT_DEF}
+  })
+  @Retention(RetentionPolicy.SOURCE)
+  public @interface ${ANNOTATION} {}
 ${ENUM_ENTRIES}
 }
 """)
 
   enum_template = Template('  public static final int ${NAME} = ${VALUE};')
   enum_entries_string = []
+  enum_names = []
   for enum_name, enum_value in enum_definition.entries.iteritems():
     values = {
         'NAME': enum_name,
         'VALUE': enum_value,
     }
     enum_entries_string.append(enum_template.substitute(values))
+    enum_names.append(enum_name)
   enum_entries_string = '\n'.join(enum_entries_string)
 
+  enum_names_indent = ' ' * 6
+  wrapper = textwrap.TextWrapper(initial_indent = enum_names_indent,
+                                 subsequent_indent = enum_names_indent,
+                                 width = 100)
+  enum_names_string = '\n'.join(wrapper.wrap(', '.join(enum_names)))
+
+  annotation_template = Template('${NAME}Enum')
+  annotation_values = { 'NAME': enum_definition.class_name, }
+  annotation_name = annotation_template.substitute(annotation_values)
+
   values = {
       'CLASS_NAME': enum_definition.class_name,
       'ENUM_ENTRIES': enum_entries_string,
       'PACKAGE': enum_definition.enum_package,
+      'INT_DEF': enum_names_string,
+      'ANNOTATION': annotation_name,
       'SCRIPT_NAME': GetScriptName(),
       'SOURCE_PATH': source_path,
       'YEAR': str(date.today().year)
   }
   return template.substitute(values)
 
 
 def AssertFilesList(output_paths, assert_files_list):
   actual = set(output_paths)
   expected = set(assert_files_list)
@@ skipping 63 matching lines @@
     if options.verbose:
       print 'Output paths:'
       print '\n'.join(output_paths)
 
     # Used by GYP.
     return ' '.join(output_paths)
 
 
 if __name__ == '__main__':
   DoMain(sys.argv[1:])