Refine '?' use in Kotlin code

Author: snicoll

spring-boot-project/spring-boot-docs/src/main/kotlin/org/springframework/boot/docs/data/nosql/mongodb/repositories/CityRepository.kt

@@ -21,7 +21,7 @@ import org.springframework.data.domain.Pageable
 import org.springframework.data.repository.Repository
 
 interface CityRepository :
-	Repository<City?, Long?> {
-	fun findAll(pageable: Pageable?): Page<City?>?
-	fun findByNameAndStateAllIgnoringCase(name: String?, state: String?): City?
+	Repository<City, Long> {
+	fun findAll(pageable: Pageable?): Page<City>
+	fun findByNameAndStateAllIgnoringCase(name: String, state: String): City?
 }

spring-boot-project/spring-boot-docs/src/main/kotlin/org/springframework/boot/docs/data/sql/jpaandspringdata/enversrepositories/CountryRepository.kt

@@ -23,9 +23,9 @@ import org.springframework.data.repository.Repository
 import org.springframework.data.repository.history.RevisionRepository
 
 interface CountryRepository :
-		RevisionRepository<Country?, Long?, Int>,
-		Repository<Country?, Long?> {
+		RevisionRepository<Country, Long, Int>,
+		Repository<Country, Long> {
 
-	fun findAll(pageable: Pageable?): Page<Country?>?
+	fun findAll(pageable: Pageable?): Page<Country>?
 
 }

spring-boot-project/spring-boot-docs/src/main/kotlin/org/springframework/boot/docs/data/sql/jpaandspringdata/repositories/CityRepository.kt

@@ -21,9 +21,9 @@ import org.springframework.data.domain.Page
 import org.springframework.data.domain.Pageable
 import org.springframework.data.repository.Repository
 
-interface CityRepository : Repository<City?, Long?> {
+interface CityRepository : Repository<City, Long> {
 
-	fun findAll(pageable: Pageable?): Page<City?>?
+	fun findAll(pageable: Pageable?): Page<City>?
 
 	fun findByNameAndStateAllIgnoringCase(name: String?, state: String?): City?
 

spring-boot-project/spring-boot-docs/src/main/kotlin/org/springframework/boot/docs/data/sql/r2dbc/repositories/CityRepository.kt

@@ -19,8 +19,8 @@ package org.springframework.boot.docs.data.sql.r2dbc.repositories
 import org.springframework.data.repository.Repository
 import reactor.core.publisher.Mono
 
-interface CityRepository : Repository<City?, Long?> {
+interface CityRepository : Repository<City, Long> {
 
-	fun findByNameAndStateAllIgnoringCase(name: String?, state: String?): Mono<City?>?
+	fun findByNameAndStateAllIgnoringCase(name: String, state: String): Mono<City?>
 
 }

spring-boot-project/spring-boot-docs/src/main/kotlin/org/springframework/boot/docs/io/restclient/restclient/MyService.kt

@@ -29,7 +29,7 @@ class MyService(restClientBuilder: RestClient.Builder) {
 		restClient = restClientBuilder.baseUrl("https://example.org").build()
 	}
 
-	fun someRestCall(name: String?): Details {
+	fun someRestCall(name: String): Details {
 		return restClient.get().uri("/{name}/details", name)
 				.retrieve().body(Details::class.java)!!
 	}

spring-boot-project/spring-boot-docs/src/main/kotlin/org/springframework/boot/docs/io/restclient/restclient/ssl/MyService.kt

@@ -31,7 +31,7 @@ class MyService(restClientBuilder: RestClient.Builder, ssl: RestClientSsl) {
 				.apply(ssl.fromBundle("mybundle")).build()
 	}
 
-	fun someRestCall(name: String?): Details {
+	fun someRestCall(name: String): Details {
 		return restClient.get().uri("/{name}/details", name)
 				.retrieve().body(Details::class.java)!!
 	}

spring-boot-project/spring-boot-docs/src/main/kotlin/org/springframework/boot/docs/io/restclient/restclient/ssl/settings/MyService.kt

@@ -38,7 +38,7 @@ class MyService(restClientBuilder: RestClient.Builder, sslBundles: SslBundles) {
 				.requestFactory(requestFactory).build()
 	}
 
-	fun someRestCall(name: String?): Details {
+	fun someRestCall(name: String): Details {
 		return restClient.get().uri("/{name}/details", name).retrieve().body(Details::class.java)!!
 	}
 

spring-boot-project/spring-boot-docs/src/main/kotlin/org/springframework/boot/docs/io/restclient/webclient/MyService.kt

@@ -29,7 +29,7 @@ class MyService(webClientBuilder: WebClient.Builder) {
 		webClient = webClientBuilder.baseUrl("https://example.org").build()
 	}
 
-	fun someRestCall(name: String?): Mono<Details> {
+	fun someRestCall(name: String): Mono<Details> {
 		return webClient.get().uri("/{name}/details", name)
 				.retrieve().bodyToMono(Details::class.java)
 	}

spring-boot-project/spring-boot-docs/src/main/kotlin/org/springframework/boot/docs/io/restclient/webclient/ssl/MyService.kt

@@ -31,7 +31,7 @@ class MyService(webClientBuilder: WebClient.Builder, ssl: WebClientSsl) {
 				.apply(ssl.fromBundle("mybundle")).build()
 	}
 
-	fun someRestCall(name: String?): Mono<Details> {
+	fun someRestCall(name: String): Mono<Details> {
 		return webClient.get().uri("/{name}/details", name)
 				.retrieve().bodyToMono(Details::class.java)
 	}

spring-boot-project/spring-boot-docs/src/main/kotlin/org/springframework/boot/docs/messaging/kafka/streams/MyKafkaStreamsConfiguration.kt

@@ -38,7 +38,7 @@ class MyKafkaStreamsConfiguration {
 		return stream
 	}
 
-	private fun uppercaseValue(key: Int, value: String): KeyValue<Int?, String?> {
+	private fun uppercaseValue(key: Int, value: String): KeyValue<Int, String> {
 		return KeyValue(key, value.uppercase())
 	}
 

spring-boot-project/spring-boot-docs/src/main/kotlin/org/springframework/boot/docs/web/reactive/webflux/CustomerRepository.kt

@@ -19,7 +19,7 @@ package org.springframework.boot.docs.web.reactive.webflux
 import org.springframework.data.repository.reactive.ReactiveCrudRepository
 import reactor.core.publisher.Flux
 
-interface CustomerRepository : ReactiveCrudRepository<Customer?, Long?> {
+interface CustomerRepository : ReactiveCrudRepository<Customer, Long> {
 
 	fun findByUser(user: User?): Flux<Customer?>?
 

spring-boot-project/spring-boot-docs/src/main/kotlin/org/springframework/boot/docs/web/reactive/webflux/MyRestController.kt

@@ -29,7 +29,7 @@ import reactor.core.publisher.Mono
 class MyRestController(private val userRepository: UserRepository, private val customerRepository: CustomerRepository) {
 
 	@GetMapping("/{userId}")
-	fun getUser(@PathVariable userId: Long): Mono<User?> {
+	fun getUser(@PathVariable userId: Long): Mono<User> {
 		return userRepository.findById(userId)
 	}
 

spring-boot-project/spring-boot-docs/src/main/kotlin/org/springframework/boot/docs/web/reactive/webflux/UserRepository.kt

@@ -18,4 +18,4 @@ package org.springframework.boot.docs.web.reactive.webflux
 
 import org.springframework.data.repository.reactive.ReactiveCrudRepository
 
-interface UserRepository : ReactiveCrudRepository<User?, Long?>
+interface UserRepository : ReactiveCrudRepository<User, Long>

spring-boot-project/spring-boot-docs/src/main/kotlin/org/springframework/boot/docs/web/servlet/springmvc/CustomerRepository.kt

@@ -18,7 +18,7 @@ package org.springframework.boot.docs.web.servlet.springmvc
 
 import org.springframework.data.repository.CrudRepository
 
-interface CustomerRepository : CrudRepository<Customer?, Long?> {
+interface CustomerRepository : CrudRepository<Customer, Long> {
 
 	fun findByUser(user: User?): List<Customer>?
 

spring-boot-project/spring-boot-docs/src/main/kotlin/org/springframework/boot/docs/web/servlet/springmvc/UserRepository.kt

@@ -18,4 +18,4 @@ package org.springframework.boot.docs.web.servlet.springmvc
 
 import org.springframework.data.repository.CrudRepository
 
-interface UserRepository : CrudRepository<User?, Long?>
+interface UserRepository : CrudRepository<User, Long>