CAUSEWAY-3859: Java record refactoring (part 45)

viewers/wicket/ui/src/main/java/org/apache/causeway/viewer/wicket/ui/actionresponse/_DownloadHandler.java → viewers/wicket/ui/src/main/java/org/apache/causeway/viewer/wicket/ui/actionresponse/DownloadHandlerFactory.java

@@ -39,17 +39,15 @@
 import lombok.experimental.UtilityClass;
 
 @UtilityClass
-final class _DownloadHandler {
+final class DownloadHandlerFactory {
 
     public IRequestHandler downloadHandler(
             final ObjectAction action,
             final Object value) {
-        if(value instanceof Clob) {
-            var clob = (Clob)value;
+        if(value instanceof Clob clob) {
             return handlerFor(action, resourceStreamFor(clob), clob);
         }
-        if(value instanceof Blob) {
-            var blob = (Blob)value;
+        if(value instanceof Blob blob) {
             return handlerFor(action, resourceStreamFor(blob), blob);
         }
         return null;
@@ -59,36 +57,29 @@ public IRequestHandler downloadHandler(
 
     private IResourceStream resourceStreamFor(final Blob blob) {
         final IResourceStream resourceStream = new AbstractResourceStream() {
-
             private static final long serialVersionUID = 1L;
-
-            @Override
-            public InputStream getInputStream() throws ResourceStreamNotFoundException {
-                return new ByteArrayInputStream(blob.getBytes());
+            @Override public InputStream getInputStream() throws ResourceStreamNotFoundException {
+                return new ByteArrayInputStream(blob.bytes());
             }
-
-            @Override
-            public String getContentType() {
-                return blob.getMimeType().toString();
+            @Override public String getContentType() {
+                return blob.mimeType().toString();
             }
-
-            @Override
-            public void close() throws IOException {
+            @Override public void close() throws IOException {
             }
         };
         return resourceStream;
     }
 
     private IResourceStream resourceStreamFor(final Clob clob) {
-        return new StringResourceStream(clob.getChars(), clob.getMimeType().toString());
+        return new StringResourceStream(clob.chars(), clob.mimeType().toString());
     }
 
     private IRequestHandler handlerFor(
             final ObjectAction action,
             final IResourceStream resourceStream,
             final NamedWithMimeType namedWithMimeType) {
         var handler =
-                new ResourceStreamRequestHandler(resourceStream, namedWithMimeType.getName());
+                new ResourceStreamRequestHandler(resourceStream, namedWithMimeType.name());
         handler.setContentDisposition(ContentDisposition.ATTACHMENT);
 
         //CAUSEWAY-1619, prevent clients from caching the response content

viewers/wicket/ui/src/main/java/org/apache/causeway/viewer/wicket/ui/actionresponse/ExecutionResultHandler.java

@@ -0,0 +1,41 @@
+/*
+ *  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.viewer.wicket.ui.actionresponse;
+
+import org.apache.wicket.ajax.AjaxRequestTarget;
+
+import org.apache.causeway.commons.functional.Either;
+import org.apache.causeway.core.metamodel.object.ManagedObject;
+import org.apache.causeway.viewer.wicket.model.models.ActionModel;
+import org.apache.causeway.viewer.wicket.model.models.PropertyModel;
+
+public record ExecutionResultHandler(Either<ActionModel, PropertyModel> actionOrPropertyModel) {
+
+    public void handle(final AjaxRequestTarget ajaxTarget, final ManagedObject result) {
+        // triggers ManagedObject.getBookmarkRefreshed()
+        var mediator = actionOrPropertyModel.fold(
+                act->Mediator.determineAndInterpretResult(act, ajaxTarget, result),
+                prop->Mediator.toDomainObjectPage(result));
+
+        // redirect using associated strategy
+        // on property edit, triggers SQL update (on JPA)
+        mediator.handle();
+    }
+
+}