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DATAREST-1424 - Implement onBeforeLinkDelete and onAfterLinkDelete in… #373

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DATAREST-1424 - Implement onBeforeLinkDelete and onAfterLinkDelete in… #373

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19 changes: 19 additions & 0 deletions ...main/java/org/springframework/data/rest/core/event/ValidatingRepositoryEventListener.java
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@
*
* @author Jon Brisbin
* @author Oliver Gierke
* @author Chris Midgley
*/
public class ValidatingRepositoryEventListener extends AbstractRepositoryEventListener<Object> {

Expand Down Expand Up @@ -141,6 +142,24 @@ protected void onAfterLinkSave(Object parent, Object linked) {
validate("afterLinkSave", parent);
}

/*
* (non-Javadoc)
* @see org.springframework.data.rest.core.event.AbstractRepositoryEventListener#onBeforeLinkDelete(java.lang.Object, java.lang.Object)
*/
@Override
protected void onBeforeLinkDelete(Object parent, Object linked) {
validate("beforeLinkDelete", parent);
}

/*
* (non-Javadoc)
* @see org.springframework.data.rest.core.event.AbstractRepositoryEventListener#onAfterLinkDelete(java.lang.Object, java.lang.Object)
*/
@Override
protected void onAfterLinkDelete(Object parent, Object linked) {
validate("afterLinkDelete", parent);
}

/*
* (non-Javadoc)
* @see org.springframework.data.rest.core.event.AbstractRepositoryEventListener#onBeforeDelete(java.lang.Object)
Expand Down
23 changes: 23 additions & 0 deletions ...e/src/test/java/org/springframework/data/rest/core/context/ValidatorIntegrationTests.java
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,8 @@
import org.springframework.data.rest.core.domain.JpaRepositoryConfig;
import org.springframework.data.rest.core.domain.Person;
import org.springframework.data.rest.core.domain.PersonNameValidator;
import org.springframework.data.rest.core.event.AfterLinkDeleteEvent;
import org.springframework.data.rest.core.event.BeforeLinkDeleteEvent;
import org.springframework.data.rest.core.event.BeforeSaveEvent;
import org.springframework.data.rest.core.event.ValidatingRepositoryEventListener;
import org.springframework.test.context.ContextConfiguration;
Expand All @@ -40,6 +42,7 @@
*
* @author Jon Brisbin
* @author Oliver Gierke
* @author Chris Midgley
*/
@RunWith(SpringRunner.class)
@ContextConfiguration
Expand All @@ -54,6 +57,8 @@ public ValidatingRepositoryEventListener validatingListener(ObjectFactory<Persis

ValidatingRepositoryEventListener listener = new ValidatingRepositoryEventListener(persistentEntities);
listener.addValidator("beforeSave", new PersonNameValidator());
listener.addValidator("beforeLinkDelete", new PersonNameValidator());
listener.addValidator("afterLinkDelete", new PersonNameValidator());

return listener;
}
Expand All @@ -70,4 +75,22 @@ public void shouldValidateLastName() throws Exception {
// Empty name should be rejected by PersonNameValidator
context.publishEvent(new BeforeSaveEvent(new Person("Dave", "")));
}

@Test(expected = RepositoryConstraintViolationException.class) // DATAREST-1424
public void shouldValidateBeforeLinkDelete() throws Exception {

mappingContext.getPersistentEntity(Person.class);
context.publishEvent(new BeforeLinkDeleteEvent(createInvalidPerson(), null));
}

@Test(expected = RepositoryConstraintViolationException.class) // DATAREST-1424
public void shouldValidateAfterLinkDelete() throws Exception {

mappingContext.getPersistentEntity(Person.class);
context.publishEvent(new AfterLinkDeleteEvent(createInvalidPerson(), null));
}

private Person createInvalidPerson() {
return new Person("Dave", "");
}
}