Re: [protobuf] Forcing JSON encoding to include default values (Java?)

['Feng Xiao' via Protocol Buffers]

On Sun, Nov 1, 2015 at 12:32 AM, Marco  wrote:

> The documentation mentions "An implementation may provide options to emit
> fields with default values in the JSON-encoded output."
>
> I assumed that meant an implementation of Printer class, ie. an
> alternative to  JsonFormat.printer().print(myMessage), but it appears
> that any implementation would depend on GeneratedMessage::getAllFields()
> which does not include default fields (GeneratedMessage:2123). I also
> read through descriptor.proto to see if there was an option for this, but
> that did not appear to be the case.
>
> Is there a way to do this out of the box, or would it require code
> changes? And would this be different for other languages? (This is using
> proto3, if that's not implied by the above.)
>
The option is not added yet. It will be something like:
JsonFormat.printer().printingDefaultValueFields().print(myMessage);

Likely it will be included in the next beta release.

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[protobuf] protoc-gen-go and internal/grpc

[zellyn]

Any particular reason the grpc plugin for protoc-gen-go is in an internal/ 
subdirectory? We import it because we want to include the grpc plugin along 
with our custom plugins, but with the move to go 1.5, the import will break.

I was considering adding a grpc or include_grpc package under 
protoc-gen-go/ that could be imported just to link the grpc plugin, but 
that seems silly: would it be reasonable to elide the /internal/ 
subdirectory?

Zellyn

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