(causeway) branch main updated: CAUSEWAY-3868: [Persistence] adds JPA java.util.Local support

[ahuber]

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ahuber pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/causeway.git


The following commit(s) were added to refs/heads/main by this push:
     new 8ebf3c7e6b6 CAUSEWAY-3868: [Persistence] adds JPA java.util.Local 
support
8ebf3c7e6b6 is described below

commit 8ebf3c7e6b65bd6299fdaf5afb1cfb92f850bf1f
Author: Andi Huber <ahu...@apache.org>
AuthorDate: Fri Mar 14 22:23:32 2025 +0100

    CAUSEWAY-3868: [Persistence] adds JPA java.util.Local support
---
 .../CausewayModulePersistenceJpaIntegration.java   |  2 +
 .../java/util/JavaUtilLocaleConverter.java         | 46 ++++++++++++++++++++++
 2 files changed, 48 insertions(+)

diff --git 
a/persistence/jpa/integration/src/main/java/org/apache/causeway/persistence/jpa/integration/CausewayModulePersistenceJpaIntegration.java
 
b/persistence/jpa/integration/src/main/java/org/apache/causeway/persistence/jpa/integration/CausewayModulePersistenceJpaIntegration.java
index fff16c18d5b..64992220cae 100644
--- 
a/persistence/jpa/integration/src/main/java/org/apache/causeway/persistence/jpa/integration/CausewayModulePersistenceJpaIntegration.java
+++ 
b/persistence/jpa/integration/src/main/java/org/apache/causeway/persistence/jpa/integration/CausewayModulePersistenceJpaIntegration.java
@@ -34,6 +34,7 @@
 import 
org.apache.causeway.persistence.jpa.integration.typeconverters.java.time.OffsetDateTimeConverterForJpa;
 import 
org.apache.causeway.persistence.jpa.integration.typeconverters.java.time.OffsetTimeConverterForJpa;
 import 
org.apache.causeway.persistence.jpa.integration.typeconverters.java.time.ZonedDateTimeConverterForJpa;
+import 
org.apache.causeway.persistence.jpa.integration.typeconverters.java.util.JavaUtilLocaleConverter;
 import 
org.apache.causeway.persistence.jpa.integration.typeconverters.java.util.JavaUtilUuidConverter;
 import 
org.apache.causeway.persistence.jpa.integration.typeconverters.schema.v2.CausewayChangesDtoConverter;
 import 
org.apache.causeway.persistence.jpa.integration.typeconverters.schema.v2.CausewayCommandDtoConverter;
@@ -67,6 +68,7 @@
         CausewayInteractionDtoConverter.class,
         CausewayOidDtoConverter.class,
         JavaAwtBufferedImageByteArrayConverter.class,
+        JavaUtilLocaleConverter.class,
         JavaUtilUuidConverter.class,
         OffsetTimeConverterForJpa.class,
         OffsetDateTimeConverterForJpa.class,
diff --git 
a/persistence/jpa/integration/src/main/java/org/apache/causeway/persistence/jpa/integration/typeconverters/java/util/JavaUtilLocaleConverter.java
 
b/persistence/jpa/integration/src/main/java/org/apache/causeway/persistence/jpa/integration/typeconverters/java/util/JavaUtilLocaleConverter.java
new file mode 100644
index 00000000000..bd4c8f2cc16
--- /dev/null
+++ 
b/persistence/jpa/integration/src/main/java/org/apache/causeway/persistence/jpa/integration/typeconverters/java/util/JavaUtilLocaleConverter.java
@@ -0,0 +1,46 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing,
+ *  software distributed under the License is distributed on an
+ *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ *  specific language governing permissions and limitations
+ *  under the License.
+ */
+package 
org.apache.causeway.persistence.jpa.integration.typeconverters.java.util;
+
+import java.util.Locale;
+import jakarta.persistence.AttributeConverter;
+import jakarta.persistence.Converter;
+
+/**
+ * @since 3.3 {@index}
+ */
+@Converter(autoApply = true)
+public class JavaUtilLocaleConverter
+implements AttributeConverter<Locale, String> {
+
+    @Override
+    public String convertToDatabaseColumn(final Locale locale) {
+        return locale != null
+                ? locale.toLanguageTag()
+                : null;
+    }
+
+    @Override
+    public Locale convertToEntityAttribute(final String datastoreValue) {
+        return datastoreValue != null
+                ? Locale.forLanguageTag(datastoreValue)
+                : null;
+    }
+
+}