src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemEntity.java

@@ -11,6 +11,7 @@ import lombok.NoArgsConstructor;
 import lombok.Setter;
 import net.hostsharing.hsadminng.hs.office.debitor.HsOfficeDebitorEntity;
 import net.hostsharing.hsadminng.hs.office.relation.HsOfficeRelationEntity;
+import net.hostsharing.hsadminng.hs.validation.Validatable;
 import net.hostsharing.hsadminng.mapper.PatchableMapWrapper;
 import net.hostsharing.hsadminng.rbac.rbacdef.RbacView;
 import net.hostsharing.hsadminng.rbac.rbacdef.RbacView.SQL;
@@ -65,7 +66,7 @@ import static net.hostsharing.hsadminng.stringify.Stringify.stringify;
 @Setter
 @NoArgsConstructor
 @AllArgsConstructor
-public class HsBookingItemEntity implements Stringifyable, RbacObject {
+public class HsBookingItemEntity implements Stringifyable, RbacObject, Validatable<HsBookingItemEntity, HsBookingItemType> {
 
     private static Stringify<HsBookingItemEntity> stringify = stringify(HsBookingItemEntity.class)
             .withProp(HsBookingItemEntity::getDebitor)
@@ -142,6 +143,11 @@ public class HsBookingItemEntity implements Stringifyable, RbacObject {
                 ":" + caption;
     }
 
+    @Override
+    public Map<String, Object> getProperties() {
+        return resources;
+    }
+
     public static RbacView rbac() {
         return rbacViewFor("bookingItem", HsBookingItemEntity.class)
                 .withIdentityView(SQL.query("""

src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemEntityValidators.java

@@ -0,0 +1,40 @@
+package net.hostsharing.hsadminng.hs.booking.item;
+
+import lombok.experimental.UtilityClass;
+import net.hostsharing.hsadminng.hs.validation.HsEntityValidator;
+
+import jakarta.validation.ValidationException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
+import static java.util.Arrays.stream;
+
+@UtilityClass
+public class HsBookingItemEntityValidators {
+
+    private static final Map<Enum<HsBookingItemType>, HsEntityValidator<HsBookingItemEntity, HsBookingItemType>> validators = new HashMap<>();
+
+    public static void register(final Enum<HsBookingItemType> type, final HsEntityValidator<HsBookingItemEntity, HsBookingItemType> validator) {
+        stream(validator.propertyValidators).forEach( entry -> {
+            entry.verifyConsistency(Map.entry(type, validator));
+        });
+        validators.put(type, validator);
+    }
+
+    public static HsEntityValidator<HsBookingItemEntity, HsBookingItemType> forType(final Enum<HsBookingItemType> type) {
+        return validators.get(type);
+    }
+
+    public static Set<? extends Enum<?>> types() {
+        return validators.keySet();
+    }
+
+    static HsBookingItemEntity valid(final HsBookingItemEntity entityToSave) {
+        final var violations = HsBookingItemEntityValidators.forType(entityToSave.getType()).validate(entityToSave);
+        if (!violations.isEmpty()) {
+            throw new ValidationException(violations.toString());
+        }
+        return entityToSave;
+    }
+}

src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsCloudServerAssetValidator.java

@@ -8,10 +8,10 @@ import static net.hostsharing.hsadminng.hs.validation.EnumerationPropertyValidat
 import static net.hostsharing.hsadminng.hs.validation.IntegerPropertyValidator.integerProperty;
 
 @Component
-class HsCloudServerAssetValidator extends HsEntityValidator {
+class HsCloudServerAssetValidator extends HsEntityValidator<HsHostingAssetEntity, HsHostingAssetType> {
 
     static {
-        HsEntityValidator.register(CLOUD_SERVER, new HsCloudServerAssetValidator());
+        HsHostingAssetEntityValidators.register(CLOUD_SERVER, new HsCloudServerAssetValidator());
     }
 
     public HsCloudServerAssetValidator() {

src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetController.java

@@ -1,6 +1,5 @@
 package net.hostsharing.hsadminng.hs.hosting.asset;
 
-import net.hostsharing.hsadminng.hs.validation.HsEntityValidator;
 import net.hostsharing.hsadminng.hs.hosting.generated.api.v1.api.HsHostingAssetsApi;
 
 import net.hostsharing.hsadminng.context.Context;
@@ -17,11 +16,11 @@ import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder;
 
 import jakarta.persistence.EntityNotFoundException;
-import jakarta.validation.ValidationException;
 import java.util.List;
 import java.util.UUID;
 import java.util.function.BiConsumer;
 
+import static net.hostsharing.hsadminng.hs.hosting.asset.HsHostingAssetEntityValidators.valid;
 
 @RestController
 public class HsHostingAssetController implements HsHostingAssetsApi {
@@ -118,19 +117,11 @@ public class HsHostingAssetController implements HsHostingAssetsApi {
 
         new HsHostingAssetEntityPatcher(current).apply(body);
 
-        final var saved = assetRepo.save(current);
+        final var saved = assetRepo.save(valid(current));
         final var mapped = mapper.map(saved, HsHostingAssetResource.class);
         return ResponseEntity.ok(mapped);
     }
 
-    private HsHostingAssetEntity valid(final HsHostingAssetEntity entityToSave) {
-        final var violations = HsEntityValidator.forType(entityToSave.getType()).validate(entityToSave);
-        if (!violations.isEmpty()) {
-            throw new ValidationException(violations.toString());
-        }
-        return entityToSave;
-    }
-
     final BiConsumer<HsHostingAssetInsertResource, HsHostingAssetEntity> RESOURCE_TO_ENTITY_POSTMAPPER = (resource, entity) -> {
         entity.putConfig(KeyValueMap.from(resource.getConfig()));
         if (resource.getParentAssetUuid() != null) {

src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetEntity.java

@@ -8,6 +8,7 @@ import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
 import net.hostsharing.hsadminng.hs.booking.item.HsBookingItemEntity;
+import net.hostsharing.hsadminng.hs.validation.Validatable;
 import net.hostsharing.hsadminng.mapper.PatchableMapWrapper;
 import net.hostsharing.hsadminng.rbac.rbacdef.RbacView;
 import net.hostsharing.hsadminng.rbac.rbacdef.RbacView.SQL;
@@ -60,7 +61,7 @@ import static net.hostsharing.hsadminng.stringify.Stringify.stringify;
 @Setter
 @NoArgsConstructor
 @AllArgsConstructor
-public class HsHostingAssetEntity implements Stringifyable, RbacObject {
+public class HsHostingAssetEntity implements Stringifyable, RbacObject, Validatable<HsHostingAssetEntity, HsHostingAssetType> {
 
     private static Stringify<HsHostingAssetEntity> stringify = stringify(HsHostingAssetEntity.class)
             .withProp(HsHostingAssetEntity::getType)
@@ -113,6 +114,11 @@ public class HsHostingAssetEntity implements Stringifyable, RbacObject {
         PatchableMapWrapper.of(configWrapper, (newWrapper) -> {configWrapper = newWrapper; }, config).assign(newConfg);
     }
 
+    @Override
+    public Map<String, Object> getProperties() {
+        return config;
+    }
+
     @Override
     public String toString() {
         return stringify.apply(this);

src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetEntityValidators.java

@@ -0,0 +1,41 @@
+package net.hostsharing.hsadminng.hs.hosting.asset;
+
+import lombok.experimental.UtilityClass;
+import net.hostsharing.hsadminng.hs.validation.HsEntityValidator;
+
+import jakarta.validation.ValidationException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
+import static java.util.Arrays.stream;
+
+@UtilityClass
+public class HsHostingAssetEntityValidators {
+
+    private static final Map<Enum<HsHostingAssetType>, HsEntityValidator<HsHostingAssetEntity, HsHostingAssetType>> validators = new HashMap<>();
+
+    public static void register(final Enum<HsHostingAssetType> type, final HsEntityValidator<HsHostingAssetEntity, HsHostingAssetType> validator) {
+        stream(validator.propertyValidators).forEach( entry -> {
+            entry.verifyConsistency(Map.entry(type, validator));
+        });
+        validators.put(type, validator);
+    }
+
+    public static HsEntityValidator<HsHostingAssetEntity, HsHostingAssetType> forType(final Enum<HsHostingAssetType> type) {
+        return validators.get(type);
+    }
+
+    public static Set<? extends Enum<?>> types() {
+        return validators.keySet();
+    }
+
+
+    static HsHostingAssetEntity valid(final HsHostingAssetEntity entityToSave) {
+        final var violations = HsHostingAssetEntityValidators.forType(entityToSave.getType()).validate(entityToSave);
+        if (!violations.isEmpty()) {
+            throw new ValidationException(violations.toString());
+        }
+        return entityToSave;
+    }
+}

src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetPropsController.java

@@ -1,6 +1,5 @@
 package net.hostsharing.hsadminng.hs.hosting.asset;
 
-import net.hostsharing.hsadminng.hs.validation.HsEntityValidator;
 import net.hostsharing.hsadminng.hs.hosting.generated.api.v1.api.HsHostingAssetPropsApi;
 import net.hostsharing.hsadminng.hs.hosting.generated.api.v1.model.HsHostingAssetTypeResource;
 import org.springframework.http.ResponseEntity;
@@ -15,7 +14,7 @@ public class HsHostingAssetPropsController implements HsHostingAssetPropsApi {
 
     @Override
     public ResponseEntity<List<String>> listAssetTypes() {
-        final var resource = HsEntityValidator.types().stream()
+        final var resource = HsHostingAssetEntityValidators.types().stream()
                 .map(Enum::name)
                 .toList();
         return ResponseEntity.ok(resource);
@@ -25,7 +24,7 @@ public class HsHostingAssetPropsController implements HsHostingAssetPropsApi {
     public ResponseEntity<List<Object>> listAssetTypeProps(
             final HsHostingAssetTypeResource assetType) {
 
-        final var propValidators = HsEntityValidator.forType(HsHostingAssetType.of(assetType));
+        final var propValidators = HsHostingAssetEntityValidators.forType(HsHostingAssetType.of(assetType));
         final List<Map<String, Object>> resource = propValidators.properties();
         return ResponseEntity.ok(toListOfObjects(resource));
     }

src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsManagedServerAssetValidator.java

@@ -9,10 +9,10 @@ import static net.hostsharing.hsadminng.hs.validation.EnumerationPropertyValidat
 import static net.hostsharing.hsadminng.hs.validation.IntegerPropertyValidator.integerProperty;
 
 @Component
-class HsManagedServerAssetValidator extends HsEntityValidator {
+class HsManagedServerAssetValidator extends HsEntityValidator<HsHostingAssetEntity, HsHostingAssetType> {
 
     static {
-        HsEntityValidator.register(MANAGED_SERVER, new HsManagedServerAssetValidator());
+        HsHostingAssetEntityValidators.register(MANAGED_SERVER, new HsManagedServerAssetValidator());
     }
 
     public HsManagedServerAssetValidator() {

src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsManagedWebspaceAssetValidator.java

@@ -11,10 +11,10 @@ import static net.hostsharing.hsadminng.hs.validation.EnumerationPropertyValidat
 import static net.hostsharing.hsadminng.hs.validation.IntegerPropertyValidator.integerProperty;
 
 @Component
-class HsManagedWebspaceAssetValidator extends HsEntityValidator {
+class HsManagedWebspaceAssetValidator extends HsEntityValidator<HsHostingAssetEntity, HsHostingAssetType> {
 
     static {
-        HsEntityValidator.register(MANAGED_WEBSPACE, new HsManagedWebspaceAssetValidator());
+        HsHostingAssetEntityValidators.register(MANAGED_WEBSPACE, new HsManagedWebspaceAssetValidator());
     }
 
     public HsManagedWebspaceAssetValidator() {

src/main/java/net/hostsharing/hsadminng/hs/validation/HsEntityValidator.java

@@ -3,54 +3,31 @@ package net.hostsharing.hsadminng.hs.validation;
 import com.fasterxml.jackson.annotation.JsonAutoDetect;
 import com.fasterxml.jackson.annotation.PropertyAccessor;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import net.hostsharing.hsadminng.hs.hosting.asset.HsHostingAssetEntity;
-import net.hostsharing.hsadminng.hs.hosting.asset.HsHostingAssetType;
 
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.Set;
 
 import static java.util.Arrays.stream;
-import static net.hostsharing.hsadminng.hs.validation.EnumerationPropertyValidator.enumerationProperty;
-import static net.hostsharing.hsadminng.hs.validation.HsPropertyValidator.defType;
-import static net.hostsharing.hsadminng.hs.validation.IntegerPropertyValidator.integerProperty;
 
-public class HsEntityValidator {
+public class HsEntityValidator<E extends Validatable<E, T>, T extends Enum<T>> {
 
-    private static final Map<Enum<?>, HsEntityValidator> validators = new HashMap<>();
-    private final HsPropertyValidator<?>[] propertyValidators;
-
-    public static void register(final Enum<?> type, final HsEntityValidator validator) {
-        stream(validator.propertyValidators).forEach( entry -> {
-            entry.verifyConsistency(Map.entry(type, validator));
-        });
-        validators.put(type, validator);
-    }
-
-    public static HsEntityValidator forType(final HsHostingAssetType type) {
-        return validators.get(type);
-    }
+    public final HsPropertyValidator<?>[] propertyValidators;
 
     public HsEntityValidator(final HsPropertyValidator<?>... validators) {
         propertyValidators = validators;
     }
 
-    public static Set<? extends Enum<?>> types() {
-        return validators.keySet();
-    }
-
-    public List<String> validate(final HsHostingAssetEntity assetEntity) {
+    public List<String> validate(final E assetEntity) {
         final var result = new ArrayList<String>();
-        assetEntity.getConfig().keySet().forEach( givenPropName -> {
+        assetEntity.getProperties().keySet().forEach( givenPropName -> {
             if (stream(propertyValidators).map(pv -> pv.propertyName).noneMatch(propName -> propName.equals(givenPropName))) {
-                result.add("'config." + givenPropName + "' is not expected but is '" +assetEntity.getConfig().get(givenPropName) + "'");
+                result.add("'config." + givenPropName + "' is not expected but is '" +assetEntity.getProperties().get(givenPropName) + "'");
             }
         });
         stream(propertyValidators).forEach(pv -> {
-          result.addAll(pv.validate(assetEntity.getConfig()));
+          result.addAll(pv.validate(assetEntity.getProperties()));
         });
         return result;
     }

src/main/java/net/hostsharing/hsadminng/hs/validation/HsPropertyValidator.java

@@ -2,7 +2,6 @@ package net.hostsharing.hsadminng.hs.validation;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.RequiredArgsConstructor;
-import net.hostsharing.hsadminng.hs.hosting.asset.HsHostingAssetType;
 
 import java.util.AbstractMap.SimpleImmutableEntry;
 import java.util.ArrayList;
@@ -52,7 +51,7 @@ public abstract class HsPropertyValidator<T> {
 
     protected abstract void validate(final ArrayList<String> result, final T propValue, final Map<String, Object> props);
 
-    public void verifyConsistency(final Map.Entry<? extends Enum<?>, HsEntityValidator> typeDef) {
+    public void verifyConsistency(final Map.Entry<? extends Enum<?>, ?> typeDef) {
         if (required == null ) {
             throw new IllegalStateException(typeDef.getKey() + "[" + propertyName + "] not fully initialized, please call either .required() or .optional()" );
         }

src/main/java/net/hostsharing/hsadminng/hs/validation/Validatable.java

@@ -0,0 +1,11 @@
+package net.hostsharing.hsadminng.hs.validation;
+
+
+import java.util.Map;
+
+public interface Validatable<E, T extends Enum<T>> {
+
+    Map<String, Object> getProperties();
+
+    Enum<T> getType();
+}

src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/HsEntityValidatorUnitTest.java

@@ -1,6 +1,5 @@
 package net.hostsharing.hsadminng.hs.hosting.asset;
 
-import net.hostsharing.hsadminng.hs.validation.HsEntityValidator;
 import org.junit.jupiter.api.Test;
 
 import java.util.Map;
@@ -14,7 +13,7 @@ class HsManagedServerValidatorUnitTest {
     @Test
     void validatesDependentProperties() {
         // given
-        final var validator = HsEntityValidator.forType(MANAGED_SERVER);
+        final var validator = HsHostingAssetEntityValidators.forType(MANAGED_SERVER);
         final var mangedWebspaceHostingAssetEntity = HsHostingAssetEntity.builder()
                 .type(MANAGED_SERVER)
                 .config(Map.ofEntries(

src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/HsManagedWebspaceAssetValidatorUnitTest.java

@@ -1,7 +1,6 @@
 package net.hostsharing.hsadminng.hs.hosting.asset;
 
 import net.hostsharing.hsadminng.hs.booking.item.HsBookingItemEntity;
-import net.hostsharing.hsadminng.hs.validation.HsEntityValidator;
 import net.hostsharing.hsadminng.hs.office.debitor.HsOfficeDebitorEntity;
 import org.junit.jupiter.api.Test;
 
@@ -15,8 +14,10 @@ import static org.assertj.core.api.Assertions.assertThat;
 
 class HsManagedWebspaceAssetValidatorUnitTest {
 
-    @SuppressWarnings("unused") // just to make sure the class is loaded
-    HsEntityValidator validator = new HsManagedWebspaceAssetValidator();
+    // just to make sure the class is loaded
+    static {
+        new HsManagedWebspaceAssetValidator();
+    }
 
     final HsBookingItemEntity managedServerBookingItem = HsBookingItemEntity.builder()
             .debitor(HsOfficeDebitorEntity.builder().defaultPrefix("abc").build()
@@ -35,7 +36,7 @@ class HsManagedWebspaceAssetValidatorUnitTest {
     @Test
     void validatesIdentifier() {
         // given
-        final var validator = HsEntityValidator.forType(MANAGED_WEBSPACE);
+        final var validator = HsHostingAssetEntityValidators.forType(MANAGED_WEBSPACE);
         final var mangedWebspaceHostingAssetEntity = HsHostingAssetEntity.builder()
                 .type(MANAGED_WEBSPACE)
                 .parentAsset(mangedServerAssetEntity)
@@ -58,7 +59,7 @@ class HsManagedWebspaceAssetValidatorUnitTest {
     @Test
     void validatesMissingProperties() {
         // given
-        final var validator = HsEntityValidator.forType(MANAGED_WEBSPACE);
+        final var validator = HsHostingAssetEntityValidators.forType(MANAGED_WEBSPACE);
         final var mangedWebspaceHostingAssetEntity = HsHostingAssetEntity.builder()
                 .type(MANAGED_WEBSPACE)
                 .parentAsset(mangedServerAssetEntity)
@@ -79,7 +80,7 @@ class HsManagedWebspaceAssetValidatorUnitTest {
     @Test
     void validatesUnknownProperties() {
         // given
-        final var validator = HsEntityValidator.forType(MANAGED_WEBSPACE);
+        final var validator = HsHostingAssetEntityValidators.forType(MANAGED_WEBSPACE);
         final var mangedWebspaceHostingAssetEntity = HsHostingAssetEntity.builder()
                 .type(MANAGED_WEBSPACE)
                 .parentAsset(mangedServerAssetEntity)
@@ -102,7 +103,7 @@ class HsManagedWebspaceAssetValidatorUnitTest {
     @Test
     void validatesValidProperties() {
         // given
-        final var validator = HsEntityValidator.forType(MANAGED_WEBSPACE);
+        final var validator = HsHostingAssetEntityValidators.forType(MANAGED_WEBSPACE);
         final var mangedWebspaceHostingAssetEntity = HsHostingAssetEntity.builder()
                 .type(MANAGED_WEBSPACE)
                 .parentAsset(mangedServerAssetEntity)