Kotlinx.serialization: Support I/O stream

[chenfei0928]

If I deserialize a json from file system, deserialize method require me full read the file to a string.
Can it support read and write json content from I/O stream, like Gson done?

[sandwwraith]

We are planning a migration to kotlin multiplatform IO library – https://github.com/Kotlin/kotlinx-io . JSON parser would support both strings and kotlinx.io inputs.

[gajicm93]

This is quite a bummer because I know for a fact that Android can crash when a very large JSON payload is converted to a String at once.

When can we expect a streaming parse? Thanks.

[jcraane]

We indeed face this issue when per persist large json (the apps data) which sometimes triggers OutOfMemory.

[sdeleuze]

We are interested by that one for Spring Framework support, beware that for Spring MVC we typically deal with InputStream / OutputStream while on Spring WebFlux side we typically deal with java.nio.ByteBuffer, potentially in combination with the upcoming JSON streaming support (#1073).

[epicstar]

This is quite a bummer because I know for a fact that Android can crash when a very large JSON payload is converted to a String at once.

Yes, this should be considered a stopper for all Android applications.

[mobiletoly]

Any news or roadmap?

[sandwwraith]

It's planned for 1.1 or 1.2

[ln-12]

Seems like the feature didn't make into 1.1.0-RC. Currently, it's the only reason why I would not feel confident shipping it in a production app.

[cherryleafroad]

Really sad, I was looking forward to this being supported

[sdeleuze]

Could you please add support for that in 1.2 in order to allow Spring to use it in Spring Boot 2.5 ?