Donating ProtoDomain and ProtoLanguageFileWriter to protobuf-java

[Alex Van Boxel]

Hi all,

I have 2 utility classes for the Java implementation I like to donate to the java implementation:

https://github.com/anemos-io/metastore/tree/master/putils

I've been using it into our protobuf schema registry but they stand on it's own:

ProtoDomain:

• wrapper around FileDescriptorSet that makes it Java serializable. The serialization is for use mainly used to serialize it in the Protobuf extension to Apache Beam.
• index into the FileDescriptorSet, makes the set searchable and get Descriptors and other entries out of the set easily

ProtoLanguageFileWriter:

• this can be used to write out textual versions of a binary FileDescriptorSet. This is proven very useful in our registry as we're creating dynamic descriptors, but we want to track the changes in git. This class only writes out a set in a directory and it can be very useful.

Is this interesting to be part of the java implementation? I think so, but what do the main maintainers think?

The protobuf registry I like to donate as well, but I think this would be better housed in the grpc-ecosystem... (but that's another discussion)

[ittai zeidman]

I’d like to add a +1 to that.
I have a need to write out textual proto files (I’m essentially transpiling proto files) and I looked for such utilities inside protobuf-java and couldn’t find them.

[Robert Sahlin]

Thanks Alex, that would be generous of you and most useful.

[itt...@gmail.com]

Hi,

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