fix Delivery discriminators

commercetools/commercetools-sdk-java-api/src/main/java/com/commercetools/api/json/ApiModule.java

@@ -6,6 +6,8 @@
 
 import com.commercetools.api.models.product.AttributeImpl;
 import com.commercetools.api.models.product_search.ProductSearchFacetResult;
+import com.commercetools.api.models.subscription.DeliveryPayload;
+import com.commercetools.api.models.subscription.DeliveryPayloadMixin;
 import com.commercetools.api.models.type.FieldContainerImpl;
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.module.SimpleModule;
@@ -63,5 +65,6 @@ public ApiModule(ModuleOptions options) {
             addDeserializer(FieldContainerImpl.class,
                 new CustomFieldDeserializer(customFieldAsDateString, customFieldNumberAsDouble, customFieldTypes));
         }
+        setMixInAnnotation(DeliveryPayload.class, DeliveryPayloadMixin.class);
     }
 }

commercetools/commercetools-sdk-java-api/src/main/java/com/commercetools/api/models/subscription/DeliveryPayloadMixin.java

@@ -0,0 +1,16 @@
+
+package com.commercetools.api.models.subscription;
+
+import com.fasterxml.jackson.annotation.JsonSubTypes;
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+
+@JsonSubTypes({
+        @JsonSubTypes.Type(value = com.commercetools.api.models.subscription.MessageDeliveryPayloadImpl.class, name = MessageDeliveryPayload.MESSAGE),
+        @JsonSubTypes.Type(value = com.commercetools.api.models.subscription.ResourceCreatedDeliveryPayloadImpl.class, name = ResourceCreatedDeliveryPayload.RESOURCE_CREATED),
+        @JsonSubTypes.Type(value = com.commercetools.api.models.subscription.ResourceDeletedDeliveryPayloadImpl.class, name = ResourceDeletedDeliveryPayload.RESOURCE_DELETED),
+        @JsonSubTypes.Type(value = com.commercetools.api.models.subscription.ResourceUpdatedDeliveryPayloadImpl.class, name = ResourceUpdatedDeliveryPayload.RESOURCE_UPDATED) })
+@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = JsonTypeInfo.As.EXISTING_PROPERTY, property = "notificationType", defaultImpl = DeliveryPayloadImpl.class, visible = true)
+@JsonDeserialize(as = DeliveryPayloadImpl.class)
+public class DeliveryPayloadMixin {
+}

commercetools/commercetools-sdk-java-api/src/test/java/com/commercetools/MessagePayloadTest.java

@@ -9,8 +9,7 @@
 import com.commercetools.api.models.message.CustomerLastNameSetMessagePayload;
 import com.commercetools.api.models.message.MessagePayload;
 import com.commercetools.api.models.message.OrderCreatedMessagePayload;
-import com.commercetools.api.models.subscription.DeliveryPayload;
-import com.commercetools.api.models.subscription.MessageDeliveryPayload;
+import com.commercetools.api.models.subscription.*;
 
 import io.vrap.rmf.base.client.utils.json.JsonUtils;
 
@@ -19,6 +18,45 @@
 
 public class MessagePayloadTest {
 
+    @Test
+    public void delivery() {
+        String messagePayload = "{\n" + "  \"notificationType\":\"Message\",\n"
+                + "  \"projectKey\":\"<project_key>\",\n" + "  \"id\":\"<message_id>\",\n" + "  \"version\":1,\n"
+                + "  \"sequenceNumber\":2,\n" + "  \"resource\":{\n" + "     \"typeId\":\"customer\",\n"
+                + "     \"id\":\"<customer_id>\"\n" + "  },\n" + "  \"resourceVersion\":2,\n"
+                + "  \"resourceUserProvidedIdentifiers\":{},\n" + "  \"type\":\"CustomerLastNameSet\",\n"
+                + "  \"lastName\":\"Doe\",\n" + "  \"createdAt\":\"2022-10-25T13:30:09.760Z\",\n"
+                + "  \"lastModifiedAt\":\"2022-10-25T13:30:09.760Z\"\n" + "}";
+        SubscriptionNotification deserializedObject = JsonUtils.fromJsonString(messagePayload,
+            SubscriptionNotification.class);
+        Assertions.assertThat(deserializedObject).isInstanceOf(MessageDeliveryPayload.class);
+
+        deserializedObject = JsonUtils.fromJsonString(messagePayload, DeliveryPayload.class);
+        Assertions.assertThat(deserializedObject).isInstanceOf(MessageDeliveryPayload.class);
+
+        String eventPayload = "{\n" + "  \"id\": \"3b364ca2-cbe5-42b4-a85a-37d4e57d659e\",\n"
+                + "  \"notificationType\": \"Event\",\n" + "  \"type\": \"ImportContainerCreated\",\n"
+                + "  \"resourceType\": \"import-api\",\n" + "  \"data\": {\n" + "    \"version\": 1,\n"
+                + "    \"key\": \"my-import-container\",\n" + "    \"createdAt\": \"2025-03-26T17:28:20.376Z\",\n"
+                + "    \"lastModifiedAt\": \"2025-03-26T17:28:20.376Z\"\n" + "  },\n"
+                + "  \"createdAt\": \"2025-03-26T17:28:20.397Z\"\n" + "}\n";
+        deserializedObject = JsonUtils.fromJsonString(eventPayload, SubscriptionNotification.class);
+        Assertions.assertThat(deserializedObject).isInstanceOf(EventDeliveryPayload.class);
+
+        String changePayload = "{\n" + "  \"notificationType\":\"ResourceCreated\",\n"
+                + "  \"projectKey\":\"<project_key>\",\n" + "  \"resource\":{\n" + "     \"typeId\":\"product\",\n"
+                + "     \"id\":\"<product_id>\"\n" + "  },\n" + "  \"resourceUserProvidedIdentifiers\":{\n"
+                + "     \"key\":\"example-product-key\",\n" + "     \"slug\":{\n" + "        \"en\":\"example-slug\"\n"
+                + "     }\n" + "  },\n" + "  \"version\":1,\n" + "  \"modifiedAt\":\"2022-10-25T13:23:05.384Z\"\n"
+                + "}\n";
+        deserializedObject = JsonUtils.fromJsonString(changePayload, SubscriptionNotification.class);
+        Assertions.assertThat(deserializedObject).isInstanceOf(ResourceCreatedDeliveryPayload.class);
+
+        deserializedObject = JsonUtils.fromJsonString(changePayload, DeliveryPayload.class);
+        Assertions.assertThat(deserializedObject).isInstanceOf(ResourceCreatedDeliveryPayload.class);
+
+    }
+
     @Test
     public void deserializeOrderCreatedMessageFromString() throws IOException {
         String payload = "{\"type\": \"OrderCreated\", \"order\": {}}";