Fix projection query field mapping issue.

When using projection queries with entities that have @Attribute annotations
for LDAP field mapping, the query was using Java field names instead of
the mapped LDAP attribute names. This caused queries to fail when the
Java field name differs from the LDAP attribute name.

Signed-off-by: Xiangcheng Kuo <[email protected]>
Closes #573

Author: orange-guo

src/main/java/org/springframework/data/ldap/repository/query/LdapQueryCreator.java

@@ -39,6 +39,7 @@
  *
  * @author Mattias Hellborg Arthursson
  * @author Mark Paluch
+ * @author Xiangcheng Kuo
  */
 class LdapQueryCreator extends AbstractQueryCreator<LdapQuery, ContainerCriteria> {
 
@@ -80,7 +81,7 @@ protected ContainerCriteria create(Part part, Iterator<Object> iterator) {
 		}
 
 		if (!inputProperties.isEmpty()) {
-			query.attributes(inputProperties.toArray(new String[0]));
+			query.attributes(inputProperties.stream().map(prop -> mapper.attributeFor(entityType, prop)).toList().toArray(new String[0]));
 		}
 
 		ConditionCriteria criteria = query.where(getAttribute(part));

src/test/java/org/springframework/data/ldap/repository/LdapRepositoryUnitTests.java

@@ -78,7 +78,7 @@ void shouldReturnInterfaceProjection() {
 		verify(ldapOperations).findOne(captor.capture(), any());
 
 		LdapQuery query = captor.getValue();
-		assertThat(query.attributes()).containsOnly("lastName");
+		assertThat(query.attributes()).containsOnly("sn");
 	}
 
 	@Test
@@ -96,7 +96,7 @@ void shouldReturnDynamicDtoProjection() {
 		verify(ldapOperations).findOne(captor.capture(), any());
 
 		LdapQuery query = captor.getValue();
-		assertThat(query.attributes()).contains("lastName");
+		assertThat(query.attributes()).contains("sn");
 	}
 
 	@Test
@@ -115,7 +115,7 @@ void shouldReturnInterfaceProjectionAsStream() {
 		verify(ldapOperations).find(captor.capture(), any());
 
 		LdapQuery query = captor.getValue();
-		assertThat(query.attributes()).containsOnly("lastName");
+		assertThat(query.attributes()).containsOnly("sn");
 	}
 
 	interface PersonRepository extends LdapRepository<UnitTestPerson> {