@Autowired public ApplicationUserController $($ApplicationUserService applicationUserService, UserAuthService usersch super$()$; this.applicationUserService applicationUserService; this.userAuthService $=$ userAuthService; $\}$ @PostMapping$("/$register$")$ public ResponseEntity register $($@RequestBody ApplicationUser user$)\{$ boolean isRegistered $=$ userAuthService.registeredUser$($user$)$; if $($isRegistered$)\{$ return ResponseEntity.ok$().$body$("\{\backslash "$message$\backslash "$: $\backslash "$Registration successful$\backslash "\}")$; $\}$ else $\{$ return Response Entity.badRequest$().$body$("\{\backslash "$message$\backslash "$: $\backslash "$Password or Username policy failed$\backslash "\}")$; $\}$ I @PostMapping$("/$signin$")$ public ResponseEntity signIn$($@RequestBody ApplicationUser user$)\{$ String token $=$ userAuthService.authenticate$($user$)$; if $($token $!=$ null$)\{$ return ResponseEntity.ok$().$body$("\{\backslash "$message$\backslash "$: $\backslash "$Authentication successful!$\backslash ",\backslash "$token$\backslash "$:$\backslash ""+$ token $700\%137$ characters $\}$