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add Kotlin examples for Spring Data Integration of servlet application

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Talerngpong Virojwutikul 2022-02-14 23:15:27 +07:00 committed by Marcus Da Coregio
parent 8f01efb9e3
commit 45a88fc391
1 changed files with 28 additions and 4 deletions
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32
docs/modules/ROOT/pages/servlet/integrations/data.adoc
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@ -7,10 +7,11 @@ It is not only useful but necessary to include the user in the queries to suppor
[[data-configuration]] [[data-configuration]]
== Spring Data & Spring Security Configuration == Spring Data & Spring Security Configuration
To use this support, add `org.springframework.security:spring-security-data` dependency and provide a bean of type `SecurityEvaluationContextExtension`. To use this support, add `org.springframework.security:spring-security-data` dependency and provide a bean of type `SecurityEvaluationContextExtension`:
In Java Configuration, this would look like:
[source,java] ====
.Java
[source,java,role="primary"]
---- ----
@Bean @Bean
public SecurityEvaluationContextExtension securityEvaluationContextExtension() { public SecurityEvaluationContextExtension securityEvaluationContextExtension() {
@ -18,6 +19,16 @@ public SecurityEvaluationContextExtension securityEvaluationContextExtension() {
} }
---- ----
.Kotlin
[source,kotlin,role="secondary"]
----
@Bean
fun securityEvaluationContextExtension(): SecurityEvaluationContextExtension {
return SecurityEvaluationContextExtension()
}
----
====
In XML Configuration, this would look like: In XML Configuration, this would look like:
[source,xml] [source,xml]
@ -31,7 +42,9 @@ In XML Configuration, this would look like:
Now Spring Security can be used within your queries. Now Spring Security can be used within your queries.
For example: For example:
[source,java] ====
.Java
[source,java,role="primary"]
---- ----
@Repository @Repository
public interface MessageRepository extends PagingAndSortingRepository<Message,Long> { public interface MessageRepository extends PagingAndSortingRepository<Message,Long> {
@ -40,6 +53,17 @@ public interface MessageRepository extends PagingAndSortingRepository<Message,Lo
} }
---- ----
.Kotlin
[source,kotlin,role="secondary"]
----
@Repository
interface MessageRepository : PagingAndSortingRepository<Message,Long> {
@Query("select m from Message m where m.to.id = ?#{ principal?.id }")
fun findInbox(pageable: Pageable): Page<Message>
}
----
====
This checks to see if the `Authentication.getPrincipal().getId()` is equal to the recipient of the `Message`. This checks to see if the `Authentication.getPrincipal().getId()` is equal to the recipient of the `Message`.
Note that this example assumes you have customized the principal to be an Object that has an id property. Note that this example assumes you have customized the principal to be an Object that has an id property.
By exposing the `SecurityEvaluationContextExtension` bean, all of the xref:servlet/authorization/expression-based.adoc#common-expressions[Common Security Expressions] are available within the Query. By exposing the `SecurityEvaluationContextExtension` bean, all of the xref:servlet/authorization/expression-based.adoc#common-expressions[Common Security Expressions] are available within the Query.