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GH-677 Add spring.cloud.function.preferred-json-mapper property

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Deprecate spring.http.converters.preferred-json-mapper
Resolves #677
This commit is contained in:
Oleg Zhurakousky
2021-04-09 15:50:50 +02:00
parent bbcec718ce
commit a4c1358af4
3 changed files with 25 additions and 3 deletions
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12
docs/src/main/asciidoc/spring-cloud-function.adoc
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@@ -424,7 +424,19 @@ public class MyCustomMessageConverter extends AbstractMessageConverter {
}
----
==== Note on JSON options
In Spring Cloud Function we support Jackson and Gson mechanisms to deal with JSON.
And for your benefit have abstracted it under `org.springframework.cloud.function.json.JsonMapper` which itself is aware of two mechanisms and will use the one selected
by you or following the default rule.
The default rules are as follows:
* Whichever library is on the classpath that is the mechanism that is going to be used. So if you have `com.fasterxml.jackson.*` to the classpath, Jackson is going to be used and if you have `com.google.code.gson`, then Gson will be used.
* If you have both, then Gson will be the default, or you can set `spring.cloud.function.preferred-json-mapper` property with either of two values: `gson` or `jackson`.
That said, the type conversion is usually transparent to the developer, however given that `org.springframework.cloud.function.json.JsonMapper` is also registered as a bean
you can easily inject it into your code if needed.
=== Kotlin Lambda support