package Ġcom . github . s uk h inin . prometheus . click house . reader Ċ Ċ import Ġcom . fasterxml . jackson . databind . Object Reader Ċ import Ġcom . fasterxml . jackson . databind . Object Writer Ċ import Ġcom . fasterxml . jackson . data format . protobuf . Protobuf Mapper Ċ import Ġcom . fasterxml . jackson . module . kotlin . Kotlin Module Ċ import Ġcom . github . s uk h inin . prometheus . click house . reader . data . Read Request Ċ import Ġcom . github . s uk h inin . prometheus . click house . reader . data . Read Response Ċ import Ġio . jav al in . http . Context Ċ import Ġio . jav al in . http . Handler Ċ import Ġorg . x erial . sn appy . Sn appy Ċ import Ġjava . io . ByteArray InputStream Ċ Ċ class ĠRead RequestHandler Adapter ( private Ġval Ġhandler : ĠRead RequestHandler ): ĠHandler Ġ{ ĊĊĠĠĠ Ġprivate Ġval Ġreader Ġ= Ġcreate Request Reader () ĊĠĠĠ Ġprivate Ġval Ġwriter Ġ= Ġcreate ResponseWriter () ĊĊĠĠĠ Ġprivate Ġfun Ġcreate Request Reader (): ĠObject Reader Ġ{ ĊĠĠĠĠĠĠĠ Ġval Ġmapper Ġ= ĠProtobuf Mapper (). register Module ( Kotlin Module ()) Ġas ĠProtobuf Mapper ĊĠĠĠĠĠĠĠ Ġval Ġschema Ġ= Ġmapper . generate Schema For ( Read Request :: class . java ) ĊĠĠĠĠĠĠĠ Ġreturn Ġmapper . reader For ( Read Request :: class . java ). with ( schema ) ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġprivate Ġfun Ġcreate ResponseWriter (): ĠObject Writer Ġ{ ĊĠĠĠĠĠĠĠ Ġval Ġmapper Ġ= ĠProtobuf Mapper (). register Module ( Kotlin Module ()) Ġas ĠProtobuf Mapper ĊĠĠĠĠĠĠĠ Ġval Ġschema Ġ= Ġmapper . generate Schema For ( Read Response :: class . java ) ĊĠĠĠĠĠĠĠ Ġreturn Ġmapper . writer For ( Read Response :: class . java ). with ( schema ) ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġoverride Ġfun Ġhandle ( ctx : ĠContext ) Ġ{ ĊĠĠĠĠĠĠĠ Ġval Ġrequest Data Ġ= ĠSn appy . un compress ( ctx . body As Bytes ()) ĊĠĠĠĠĠĠĠ Ġval Ġrequest Ġ= Ġreader . readValue < Read Request >( request Data ) ĊĠĠĠĠĠĠĠ Ġval Ġresponse Ġ= Ġhandler . handle ( request ) ĊĠĠĠĠĠĠĠ Ġval Ġresponse Data Ġ= Ġwriter . writeValue As Bytes ( response ) ĊĠĠĠĠĠĠĠ Ġctx . result ( ByteArray InputStream ( Sn appy . compress ( response Data ))) ĊĠĠĠ Ġ} Ċ } Ċ