DescriptorFactoryTest.java 文件源码

private FileDescriptorProto.Builder addDeepMessageTypeToFile(
    FileDescriptorProto.Builder builder, Message descriptorProto) {
  //TODO delete this method!!!
  final FieldDescriptor field = FileDescriptorProto.getDescriptor()
      .findFieldByNumber(FileDescriptorProto.MESSAGE_TYPE_FIELD_NUMBER);
  final FieldDescriptor nestedTypeField = DescriptorProto.getDescriptor().findFieldByNumber(
      DescriptorProto.NESTED_TYPE_FIELD_NUMBER);
  builder.addRepeatedField(field, descriptorProto);

  for (Message nestedMessageType : (List<Message>) descriptorProto.getField(nestedTypeField)) {
    // builder.addRepeatedField(field, nestedMessageType);
    addDeepMessageTypeToFile(builder, nestedMessageType);
  }

  return builder;
}