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package kamon.status
import com.grack.nanojson.JsonWriter
import kamon.module.Module
import kamon.module.Module.Registry
import java.lang.{StringBuilder => JavaStringBuilder}
import com.typesafe.config.ConfigRenderOptions
trait JsonMarshalling[T] {
/**
* Implementations should append a Json object or array that describes the given instance members and any
* additional information that is expected to be shown in the status mini site.
*/
def toJson(instance: T, builder: JavaStringBuilder): Unit
}
object JsonMarshalling {
implicit object ModuleRegistryStatusJsonMarshalling extends JsonMarshalling[Module.Registry.Status] {
override def toJson(instance: Registry.Status, builder: JavaStringBuilder): Unit = {
val array = JsonWriter.on(builder)
.`object`()
.array("modules")
instance.modules.foreach(m => {
array.`object`()
.value("name", m.name)
.value("description", m.description)
.value("enabled", m.enabled)
.value("started", m.started)
.end()
})
array.end().end().done()
}
}
implicit object BaseInfoJsonMarshalling extends JsonMarshalling[Status.BaseInfo] {
override def toJson(instance: Status.BaseInfo, builder: JavaStringBuilder): Unit = {
val baseConfigJson = JsonWriter.on(builder)
.`object`()
.value("version", instance.version)
.value("config", instance.config.root().render(ConfigRenderOptions.concise()))
baseConfigJson.`object`("environment")
.value("service", instance.environment.service)
.value("host", instance.environment.host)
.value("instance", instance.environment.instance)
.`object`("tags")
instance.environment.tags.foreach {
case (key, value) => baseConfigJson.value(key, value)
}
baseConfigJson
.end() // ends tags
.end() // ends environment
.end() // ends base config
.done()
}
}
}
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