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package kamon.instrumentation
import kamon.context.HttpPropagation.{HeaderReader, HeaderWriter}
/**
* Base abstractions over HTTP messages.
*/
object HttpMessage {
/**
* Wrapper for HTTP Request messages.
*/
trait Request extends HeaderReader {
/**
* Request URL.
*/
def url: String
/**
* Full request path. Does not include the query.
*/
def path: String
/**
* HTTP Method.
*/
def method: String
}
/**
* Wrapper for HTTP response messages.
*/
trait Response {
/**
* Status code on the response message.
*/
def statusCode: Int
}
/**
* A HTTP message builder on which header values can be written and a complete HTTP message can be build from.
* Implementations will typically wrap a HTTP message model from an instrumented framework and either accumulate
* all header writes until a call to to .build() is made and a new HTTP message is constructed merging the previous
* and accumulated headers (on immutable HTTP models) or directly write the headers on the underlying HTTP message
* (on mutable HTTP models).
*/
trait Builder[Message] extends HeaderWriter {
/**
* Returns a version a version of the HTTP message container all headers that have been written to the builder.
*/
def build(): Message
}
/**
* Builder for HTTP Request messages.
*/
trait RequestBuilder[Message] extends Request with Builder[Message]
/**
* Builder for HTTP Response messages.
*/
trait ResponseBuilder[Message] extends Response with Builder[Message]
}
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