feat: add support for JsonNode subclasses

packages/java/parser-jvm-plugin-transfertypes/src/main/java/com/vaadin/hilla/parser/plugins/transfertypes/TransferTypesPlugin.java

@@ -10,6 +10,8 @@
 import javax.annotation.Nonnull;
 
 import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
 import com.vaadin.hilla.mappedtypes.Order;
 import com.vaadin.hilla.mappedtypes.Pageable;
 import com.vaadin.hilla.mappedtypes.Sort;
@@ -44,6 +46,8 @@ public final class TransferTypesPlugin
         classMap.put("com.vaadin.hilla.EndpointSubscription",
                 EndpointSubscription.class);
         classMap.put(JsonNode.class.getName(), Object.class);
+        classMap.put(ObjectNode.class.getName(), Object.class);
+        classMap.put(ArrayNode.class.getName(), List.class);
     }
 
     public TransferTypesPlugin() {

packages/java/parser-jvm-plugin-transfertypes/src/test/java/com/vaadin/hilla/parser/plugins/transfertypes/jsonnode/JsonNodeEndpoint.java

@@ -1,10 +1,20 @@
 package com.vaadin.hilla.parser.plugins.transfertypes.jsonnode;
 
 import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
 
 @Endpoint
 public class JsonNodeEndpoint {
-    public JsonNode echo(JsonNode node) {
+    public JsonNode jsonNode(JsonNode node) {
+        return node;
+    }
+
+    public ObjectNode objectNode(ObjectNode node) {
+        return node;
+    }
+
+    public ArrayNode arrayNode(ArrayNode node) {
         return node;
     }
 }

packages/java/parser-jvm-plugin-transfertypes/src/test/java/com/vaadin/hilla/parser/plugins/transfertypes/jsonnode/Nonnull.java

@@ -0,0 +1,11 @@
+package com.vaadin.hilla.parser.plugins.transfertypes.jsonnode;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ ElementType.TYPE_USE })
+public @interface Nonnull {
+}

packages/java/parser-jvm-plugin-transfertypes/src/test/java/com/vaadin/hilla/parser/plugins/transfertypes/jsonnode/Nullable.java

@@ -0,0 +1,11 @@
+package com.vaadin.hilla.parser.plugins.transfertypes.jsonnode;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ ElementType.TYPE_USE })
+public @interface Nullable {
+}

packages/java/parser-jvm-plugin-transfertypes/src/test/resources/com/vaadin/hilla/parser/plugins/transfertypes/jsonnode/openapi.json

@@ -17,12 +17,82 @@
     }
   ],
   "paths" : {
-    "/JsonNodeEndpoint/echo" : {
+    "/JsonNodeEndpoint/arrayNode" : {
       "post" : {
         "tags" : [
           "JsonNodeEndpoint"
         ],
-        "operationId" : "JsonNodeEndpoint_echo_POST",
+        "operationId" : "JsonNodeEndpoint_arrayNode_POST",
+        "requestBody" : {
+          "content" : {
+            "application/json" : {
+              "schema" : {
+                "type" : "object",
+                "properties" : {
+                  "node" : {
+                    "type" : "array",
+                    "nullable" : true
+                  }
+                }
+              }
+            }
+          }
+        },
+        "responses" : {
+          "200" : {
+            "description" : "",
+            "content" : {
+              "application/json" : {
+                "schema" : {
+                  "type" : "array",
+                  "nullable" : true
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "/JsonNodeEndpoint/jsonNode" : {
+      "post" : {
+        "tags" : [
+          "JsonNodeEndpoint"
+        ],
+        "operationId" : "JsonNodeEndpoint_jsonNode_POST",
+        "requestBody" : {
+          "content" : {
+            "application/json" : {
+              "schema" : {
+                "type" : "object",
+                "properties" : {
+                  "node" : {
+                    "type" : "object"
+                  }
+                }
+              }
+            }
+          }
+        },
+        "responses" : {
+          "200" : {
+            "description" : "",
+            "content" : {
+              "application/json" : {
+                "schema" : {
+                  "type" : "object"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "/JsonNodeEndpoint/objectNode" : {
+      "post" : {
+        "tags" : [
+          "JsonNodeEndpoint"
+        ],
+        "operationId" : "JsonNodeEndpoint_objectNode_POST",
         "requestBody" : {
           "content" : {
             "application/json" : {