DeserializeJSON deserialize zipkin v1 json spans into zipkin thrift.

FindServiceName finds annotation in Zipkin span that represents emitting service name.

IsClientCore checks to see if an annotation is a core client annotation.

IsCore checks to see if an annotation is a core annotation.

IsServerCore checks to see if an annotation is a core server annotation.

NewAPIHandler returns a new APIHandler.

APIHandler handles all HTTP calls to the collector.