Add LocalDateXmlAdapter.java

src/main/java/no/digipost/api/datatypes/marshalling/LocalDateXmlAdapter.java

@@ -0,0 +1,23 @@
+package no.digipost.api.datatypes.marshalling;
+
+import jakarta.xml.bind.annotation.adapters.XmlAdapter;
+
+import java.time.LocalDate;
+public class LocalDateXmlAdapter extends XmlAdapter<String, LocalDate> {
+    @Override
+    public String marshal(LocalDate v) {
+        if (v == null) {
+            return null;
+        }
+        return v.toString();
+    }
+
+    @Override
+    public LocalDate unmarshal(final String s) {
+        if (s == null) {
+            return null;
+        }
+        return LocalDate.parse(s);
+    }
+
+}

src/main/java/no/digipost/api/datatypes/types/invoice/package-info.java

@@ -1,14 +1,19 @@
 @XmlSchema(namespace = DIGIPOST_DATATYPES_NAMESPACE, elementFormDefault = jakarta.xml.bind.annotation.XmlNsForm.QUALIFIED)
 @XmlAccessorType(XmlAccessType.FIELD)
-@XmlJavaTypeAdapter(ZonedDateTimeXmlAdapter.class)
+@XmlJavaTypeAdapters({
+        @XmlJavaTypeAdapter(ZonedDateTimeXmlAdapter.class),
+        @XmlJavaTypeAdapter(LocalDateXmlAdapter.class)
+})
 @DataTypePackage
 package no.digipost.api.datatypes.types.invoice;
 
 import jakarta.xml.bind.annotation.XmlAccessType;
 import jakarta.xml.bind.annotation.XmlAccessorType;
 import jakarta.xml.bind.annotation.XmlSchema;
 import jakarta.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
+import jakarta.xml.bind.annotation.adapters.XmlJavaTypeAdapters;
 import no.digipost.api.datatypes.documentation.DataTypePackage;
+import no.digipost.api.datatypes.marshalling.LocalDateXmlAdapter;
 import no.digipost.api.datatypes.marshalling.ZonedDateTimeXmlAdapter;
 
 import static no.digipost.api.datatypes.marshalling.DataTypesJAXBContext.DIGIPOST_DATATYPES_NAMESPACE;