package Ġcom . ad ik osa . tod olist k . app . security Ċ Ċ import Ġcom . ad ik osa . tod olist k . storage . UserRepository Ċ import Ġcom . ad ik osa . tod olist k . storage . entities . User Entity Ċ import Ġjava . lang . RuntimeException Ċ import Ġorg . springframework . security . core . Granted Authority Ċ import Ġorg . springframework . security . core . authority . Simple Granted Authority Ċ import Ġorg . springframework . security . core . user details . UserDetails Ċ import Ġorg . springframework . security . core . user details . UserDetails Service Ċ import Ġorg . springframework . stereotype . Service Ċ Ċ @ Service (" user Details Service ") Ċ class ĠUser Details ServiceImpl ( ĊĠĠĠĠĠĠĠ Ġprivate Ġval Ġuser Repository : ĠUser Repository Ċ ) Ġ: ĠUser Details Service Ġ{ ĊĊĠĠĠ Ġoverride Ġfun Ġload User By Username ( username : ĠString ): ĠUser Details Ġ{ ĊĠĠĠĠĠĠĠ Ġval Ġuser Ġ= Ġuser Repository . findBy Username ( username ) ?: Ġthrow ĠRuntimeException () ĊĠĠĠĠĠĠĠ Ġreturn ĠUser Details Impl ( user ) ĊĠĠĠ Ġ} Ċ } Ċ Ċ class ĠUser Details Impl ( ĊĠĠĠĠĠĠĠ Ġprivate Ġval Ġuser Entity : ĠUser Entity Ċ ) Ġ: ĠUser Details Ġ{ ĊĊĠĠĠ Ġoverride Ġfun Ġget Author ities (): ĠCollection < Granted Authority > Ġ{ ĊĠĠĠĠĠĠĠ Ġreturn Ġuser Entity . roles . map Ġ{ ĠSimple Granted Authority ( Ġit . name ) Ġ} ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġoverride Ġfun Ġget Username () Ġ= Ġuser Entity . username ĊĠĠĠ Ġoverride Ġfun Ġget Password () Ġ= Ġuser Entity . password ĊĊĠĠĠ Ġoverride Ġfun Ġis Credentials Non Expired () Ġ= Ġ! user Entity . is Credentials Expired ĊĠĠĠ Ġoverride Ġfun Ġis Account Non Expired () Ġ= Ġ! user Entity . is Expired ĊĠĠĠ Ġoverride Ġfun Ġis Account Non Locked () Ġ= Ġ! user Entity . is Locked ĊĠĠĠ Ġoverride Ġfun Ġis Enabled () Ġ= Ġuser Entity . isEnabled Ċ } Ċ