Generic Cloud Event Mapper

- Introduced a generic event cloud mapper to be used all over the
  codebase
- Added as a utility so we dont have to inject it as spring bean
- Refactored code and added tests
- Incorporated review comments

Issue-ID: CPS-1827
Change-Id: I8dab914791e01bbf6492ce96e7ba6eaa8f75a6cb
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>

15 files changed, 156 insertions, 249 deletions

diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionDmiOutEventConsumer.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionDmiOutEventConsumer.java
index 3a7e0c6cf5..1ac4044114 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionDmiOutEventConsumer.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionDmiOutEventConsumer.java
@@ -20,6 +20,8 @@
 
 package org.onap.cps.ncmp.api.impl.events.cmsubscription;
 
+import static org.onap.cps.ncmp.api.impl.events.mapper.CloudEventMapper.toTargetEvent;
+
 import com.hazelcast.map.IMap;
 import io.cloudevents.CloudEvent;
 import java.util.Collection;
@@ -33,7 +35,6 @@ import org.onap.cps.ncmp.api.impl.config.embeddedcache.ForwardedSubscriptionEven
 import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionPersistence;
 import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionStatus;
 import org.onap.cps.ncmp.api.impl.utils.DataNodeHelper;
-import org.onap.cps.ncmp.api.impl.utils.SubscriptionEventResponseCloudMapper;
 import org.onap.cps.ncmp.api.impl.yangmodels.YangModelSubscriptionEvent;
 import org.onap.cps.ncmp.events.cmsubscription1_0_0.dmi_to_ncmp.CmSubscriptionDmiOutEvent;
 import org.onap.cps.spi.model.DataNode;
@@ -51,7 +52,6 @@ public class CmSubscriptionDmiOutEventConsumer {
     private final CmSubscriptionDmiOutEventToYangModelSubscriptionEventMapper
             cmSubscriptionDmiOutEventToYangModelSubscriptionEventMapper;
     private final CmSubscriptionNcmpOutEventPublisher cmSubscriptionNcmpOutEventPublisher;
-    private final SubscriptionEventResponseCloudMapper subscriptionEventResponseCloudMapper;
 
     @Value("${notification.enabled:true}")
     private boolean notificationFeatureEnabled;
@@ -71,7 +71,7 @@ public class CmSubscriptionDmiOutEventConsumer {
         final CloudEvent cloudEvent = cmSubscriptionDmiOutConsumerRecord.value();
         final String eventType = cmSubscriptionDmiOutConsumerRecord.value().getType();
         final CmSubscriptionDmiOutEvent cmSubscriptionDmiOutEvent =
-                subscriptionEventResponseCloudMapper.toCmSubscriptionDmiOutEvent(cloudEvent);
+                toTargetEvent(cloudEvent, CmSubscriptionDmiOutEvent.class);
         final String clientId = cmSubscriptionDmiOutEvent.getData().getClientId();
         log.info("subscription event response of clientId: {} is received.", clientId);
         final String subscriptionName = cmSubscriptionDmiOutEvent.getData().getSubscriptionName();
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionNcmpInEventConsumer.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionNcmpInEventConsumer.java
index c64ebacb01..f1c64c788a 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionNcmpInEventConsumer.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionNcmpInEventConsumer.java
@@ -20,6 +20,7 @@
 
 package org.onap.cps.ncmp.api.impl.events.cmsubscription;
 
+import static org.onap.cps.ncmp.api.impl.events.mapper.CloudEventMapper.toTargetEvent;
 import static org.onap.cps.ncmp.api.impl.operations.DatastoreType.PASSTHROUGH_OPERATIONAL;
 import static org.onap.cps.ncmp.api.impl.operations.DatastoreType.PASSTHROUGH_RUNNING;
 
@@ -28,7 +29,6 @@ import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.kafka.clients.consumer.ConsumerRecord;
 import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionPersistence;
-import org.onap.cps.ncmp.api.impl.utils.CmSubscriptionEventCloudMapper;
 import org.onap.cps.ncmp.api.impl.yangmodels.YangModelSubscriptionEvent;
 import org.onap.cps.ncmp.events.cmsubscription1_0_0.client_to_ncmp.CmSubscriptionNcmpInEvent;
 import org.springframework.beans.factory.annotation.Value;
@@ -44,7 +44,6 @@ public class CmSubscriptionNcmpInEventConsumer {
     private final CmSubscriptionNcmpInEventForwarder cmSubscriptionNcmpInEventForwarder;
     private final CmSubscriptionNcmpInEventMapper cmSubscriptionNcmpInEventMapper;
     private final SubscriptionPersistence subscriptionPersistence;
-    private final CmSubscriptionEventCloudMapper cmSubscriptionEventCloudMapper;
 
     @Value("${notification.enabled:true}")
     private boolean notificationFeatureEnabled;
@@ -63,7 +62,7 @@ public class CmSubscriptionNcmpInEventConsumer {
         final CloudEvent cloudEvent = subscriptionEventConsumerRecord.value();
         final String eventType = subscriptionEventConsumerRecord.value().getType();
         final CmSubscriptionNcmpInEvent cmSubscriptionNcmpInEvent =
-                cmSubscriptionEventCloudMapper.toCmSubscriptionNcmpInEvent(cloudEvent);
+                toTargetEvent(cloudEvent, CmSubscriptionNcmpInEvent.class);
         final String eventDatastore = cmSubscriptionNcmpInEvent.getData().getPredicates().getDatastore();
         if (!eventDatastore.equals(PASSTHROUGH_RUNNING.getDatastoreName()) || eventDatastore.equals(
                 PASSTHROUGH_OPERATIONAL.getDatastoreName())) {
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/mapper/CloudEventMapper.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/mapper/CloudEventMapper.java
new file mode 100644
index 0000000000..98ba953864
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/mapper/CloudEventMapper.java
@@ -0,0 +1,62 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Copyright (c) 2023 Nordix Foundation.
+ * ================================================================================
+ * Licensed 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.ncmp.api.impl.events.mapper;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import io.cloudevents.CloudEvent;
+import io.cloudevents.core.CloudEventUtils;
+import io.cloudevents.core.data.PojoCloudEventData;
+import io.cloudevents.jackson.PojoCloudEventDataMapper;
+import io.cloudevents.rw.CloudEventRWException;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public class CloudEventMapper {
+
+    private static final ObjectMapper objectMapper = new ObjectMapper();
+
+    /**
+     * Generic method to map cloud event data to target event class object.
+     *
+     * @param cloudEvent       input cloud event
+     * @param targetEventClass target event class
+     * @param <T>              target event class type
+     * @return mapped target event
+     */
+    public static <T> T toTargetEvent(final CloudEvent cloudEvent, final Class<T> targetEventClass) {
+        PojoCloudEventData<T> mappedCloudEvent = null;
+
+        try {
+            mappedCloudEvent =
+                    CloudEventUtils.mapData(cloudEvent, PojoCloudEventDataMapper.from(objectMapper, targetEventClass));
+
+        } catch (final CloudEventRWException cloudEventRwException) {
+            log.error("Unable to map cloud event to target event class type : {} with cause : {}", targetEventClass,
+                    cloudEventRwException.getMessage());
+        }
+
+        return mappedCloudEvent == null ? null : mappedCloudEvent.getValue();
+    }
+
+}
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/utils/CmSubscriptionEventCloudMapper.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/utils/CmSubscriptionEventCloudMapper.java
index 5bc38e1dcd..8e565d2200 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/utils/CmSubscriptionEventCloudMapper.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/utils/CmSubscriptionEventCloudMapper.java
@@ -23,15 +23,11 @@ package org.onap.cps.ncmp.api.impl.utils;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import io.cloudevents.CloudEvent;
-import io.cloudevents.core.CloudEventUtils;
 import io.cloudevents.core.builder.CloudEventBuilder;
-import io.cloudevents.core.data.PojoCloudEventData;
-import io.cloudevents.jackson.PojoCloudEventDataMapper;
 import java.net.URI;
 import java.util.UUID;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.onap.cps.ncmp.events.cmsubscription1_0_0.client_to_ncmp.CmSubscriptionNcmpInEvent;
 import org.onap.cps.ncmp.events.cmsubscription1_0_0.ncmp_to_dmi.CmSubscriptionDmiInEvent;
 import org.springframework.stereotype.Component;
 
@@ -45,29 +41,10 @@ public class CmSubscriptionEventCloudMapper {
     private static String randomId = UUID.randomUUID().toString();
 
     /**
-     * Maps CloudEvent object to CmSubscriptionNcmpInEvent.
-     *
-     * @param cloudEvent object.
-     * @return CmSubscriptionNcmpInEvent deserialized.
-     */
-    public CmSubscriptionNcmpInEvent toCmSubscriptionNcmpInEvent(final CloudEvent cloudEvent) {
-        final PojoCloudEventData<CmSubscriptionNcmpInEvent> deserializedCloudEvent = CloudEventUtils
-                .mapData(cloudEvent, PojoCloudEventDataMapper.from(objectMapper, CmSubscriptionNcmpInEvent.class));
-        if (deserializedCloudEvent == null) {
-            log.debug("No data found in the consumed event");
-            return null;
-        } else {
-            final CmSubscriptionNcmpInEvent cmSubscriptionNcmpInEvent = deserializedCloudEvent.getValue();
-            log.debug("Consuming event {}", cmSubscriptionNcmpInEvent);
-            return cmSubscriptionNcmpInEvent;
-        }
-    }
-
-    /**
      * Maps CmSubscriptionDmiInEvent to a CloudEvent.
      *
      * @param cmSubscriptionDmiInEvent object.
-     * @param eventKey as String.
+     * @param eventKey                 as String.
      * @return CloudEvent built.
      */
     public CloudEvent toCloudEvent(final CmSubscriptionDmiInEvent cmSubscriptionDmiInEvent, final String eventKey,
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/utils/SubscriptionEventResponseCloudMapper.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/utils/SubscriptionEventResponseCloudMapper.java
deleted file mode 100644
index 0721d1d569..0000000000
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/utils/SubscriptionEventResponseCloudMapper.java
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- *  ============LICENSE_START=======================================================
- *  Copyright (C) 2023 Nordix Foundation
- *  ================================================================================
- *  Licensed 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.
- *
- *  SPDX-License-Identifier: Apache-2.0
- *  ============LICENSE_END=========================================================
- */
-
-package org.onap.cps.ncmp.api.impl.utils;
-
-import com.fasterxml.jackson.databind.ObjectMapper;
-import io.cloudevents.CloudEvent;
-import io.cloudevents.core.CloudEventUtils;
-import io.cloudevents.core.data.PojoCloudEventData;
-import io.cloudevents.jackson.PojoCloudEventDataMapper;
-import lombok.RequiredArgsConstructor;
-import lombok.extern.slf4j.Slf4j;
-import org.onap.cps.ncmp.events.cmsubscription1_0_0.dmi_to_ncmp.CmSubscriptionDmiOutEvent;
-import org.springframework.stereotype.Component;
-
-@Slf4j
-@Component
-@RequiredArgsConstructor
-public class SubscriptionEventResponseCloudMapper {
-
-    private final ObjectMapper objectMapper;
-
-    /**
-     * Maps CloudEvent object to CmSubscriptionDmiOutEvent.
-     *
-     * @param cloudEvent object
-     * @return CmSubscriptionDmiOutEvent deserialized
-     */
-    public CmSubscriptionDmiOutEvent toCmSubscriptionDmiOutEvent(final CloudEvent cloudEvent) {
-        final PojoCloudEventData<CmSubscriptionDmiOutEvent> deserializedCloudEvent = CloudEventUtils
-                .mapData(cloudEvent, PojoCloudEventDataMapper.from(objectMapper, CmSubscriptionDmiOutEvent.class));
-        if (deserializedCloudEvent == null) {
-            log.debug("No data found in the consumed subscription response event");
-            return null;
-        } else {
-            final CmSubscriptionDmiOutEvent cmSubscriptionDmiOutEvent = deserializedCloudEvent.getValue();
-            log.debug("Consuming subscription response event {}", cmSubscriptionDmiOutEvent);
-            return cmSubscriptionDmiOutEvent;
-        }
-    }
-}
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/async/DataOperationEventConsumerSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/async/DataOperationEventConsumerSpec.groovy
index 7b54f591a1..9b71fbeae3 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/async/DataOperationEventConsumerSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/async/DataOperationEventConsumerSpec.groovy
@@ -25,9 +25,7 @@ import io.cloudevents.CloudEvent
 import io.cloudevents.kafka.CloudEventDeserializer
 import io.cloudevents.kafka.CloudEventSerializer
 import io.cloudevents.kafka.impl.KafkaHeaders
-import io.cloudevents.core.CloudEventUtils
 import io.cloudevents.core.builder.CloudEventBuilder
-import io.cloudevents.jackson.PojoCloudEventDataMapper
 import org.apache.kafka.clients.consumer.ConsumerRecord
 import org.apache.kafka.clients.consumer.KafkaConsumer
 import org.apache.kafka.common.header.internals.RecordHeaders
@@ -44,7 +42,9 @@ import org.springframework.test.annotation.DirtiesContext
 import org.testcontainers.spock.Testcontainers
 import java.time.Duration
 
-@SpringBootTest(classes = [EventsPublisher, DataOperationEventConsumer, RecordFilterStrategies,JsonObjectMapper, ObjectMapper])
+import static org.onap.cps.ncmp.api.impl.events.mapper.CloudEventMapper.toTargetEvent
+
+@SpringBootTest(classes = [EventsPublisher, DataOperationEventConsumer, RecordFilterStrategies, JsonObjectMapper, ObjectMapper])
 @Testcontainers
 @DirtiesContext
 class DataOperationEventConsumerSpec extends MessagingBaseSpec {
@@ -61,9 +61,6 @@ class DataOperationEventConsumerSpec extends MessagingBaseSpec {
     @Autowired
     RecordFilterStrategy<String, CloudEvent> dataOperationRecordFilterStrategy
 
-    @Autowired
-    ObjectMapper objectMapper
-
     def cloudEventKafkaConsumer = new KafkaConsumer<>(eventConsumerConfigProperties('test', CloudEventDeserializer))
     def static clientTopic = 'client-topic'
     def static dataOperationType = 'org.onap.cps.ncmp.events.async1_0_0.DataOperationEvent'
@@ -85,8 +82,7 @@ class DataOperationEventConsumerSpec extends MessagingBaseSpec {
         and: 'verify that extension is included into header'
             assert KafkaHeaders.getParsedKafkaHeader(consumerRecordOutHeaders, 'ce_destination') == clientTopic
         and: 'map consumer record to expected event type'
-            def dataOperationResponseEvent = CloudEventUtils.mapData(consumerRecordOut.value(),
-                    PojoCloudEventDataMapper.from(objectMapper, DataOperationEvent.class)).getValue()
+            def dataOperationResponseEvent = toTargetEvent(consumerRecordOut.value(), DataOperationEvent.class)
         and: 'verify published response data properties'
             def response = dataOperationResponseEvent.data.responses[0]
             response.operationId == 'some-operation-id'
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/avc/AvcEventConsumerSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/avc/AvcEventConsumerSpec.groovy
index 22852bea43..c9a4bd16a4 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/avc/AvcEventConsumerSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/avc/AvcEventConsumerSpec.groovy
@@ -22,9 +22,7 @@ package org.onap.cps.ncmp.api.impl.events.avc
 
 import com.fasterxml.jackson.databind.ObjectMapper
 import io.cloudevents.CloudEvent
-import io.cloudevents.core.CloudEventUtils
 import io.cloudevents.core.builder.CloudEventBuilder
-import io.cloudevents.jackson.PojoCloudEventDataMapper
 import io.cloudevents.kafka.CloudEventDeserializer
 import io.cloudevents.kafka.impl.KafkaHeaders
 import org.apache.kafka.clients.consumer.ConsumerRecord
@@ -41,6 +39,8 @@ import org.springframework.test.annotation.DirtiesContext
 import org.testcontainers.spock.Testcontainers
 import java.time.Duration
 
+import static org.onap.cps.ncmp.api.impl.events.mapper.CloudEventMapper.toTargetEvent
+
 @SpringBootTest(classes = [EventsPublisher, AvcEventConsumer, ObjectMapper, JsonObjectMapper])
 @Testcontainers
 @DirtiesContext
@@ -82,7 +82,7 @@ class AvcEventConsumerSpec extends MessagingBaseSpec {
         and: 'record can be converted to AVC event'
             def record = records.iterator().next()
             def cloudEvent = record.value() as CloudEvent
-            def convertedAvcEvent = CloudEventUtils.mapData(cloudEvent, PojoCloudEventDataMapper.from(new ObjectMapper(), AvcEvent.class)).getValue()
+            def convertedAvcEvent = toTargetEvent(cloudEvent, AvcEvent.class)
         and: 'we have correct headers forwarded where correlation id matches'
             assert KafkaHeaders.getParsedKafkaHeader(record.headers(), 'ce_correlationid') == 'test-cmhandle1'
         and: 'event id differs(as per requirement) between consumed and forwarded'
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionDmiOutEventConsumerSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionDmiOutEventConsumerSpec.groovy
index 29defbeccc..a8a21b2edd 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionDmiOutEventConsumerSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionDmiOutEventConsumerSpec.groovy
@@ -26,7 +26,6 @@ import io.cloudevents.CloudEvent
 import io.cloudevents.core.builder.CloudEventBuilder
 import org.apache.kafka.clients.consumer.ConsumerRecord
 import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionPersistenceImpl
-import org.onap.cps.ncmp.api.impl.utils.SubscriptionEventResponseCloudMapper
 import org.onap.cps.ncmp.api.kafka.MessagingBaseSpec
 import org.onap.cps.ncmp.events.cmsubscription1_0_0.dmi_to_ncmp.CmSubscriptionDmiOutEvent
 import org.onap.cps.ncmp.utils.TestUtils
@@ -48,10 +47,9 @@ class CmSubscriptionDmiOutEventConsumerSpec extends MessagingBaseSpec {
     def mockSubscriptionPersistence = Mock(SubscriptionPersistenceImpl)
     def mockSubscriptionEventResponseMapper  = Mock(CmSubscriptionDmiOutEventToYangModelSubscriptionEventMapper)
     def mockSubscriptionEventResponseOutcome = Mock(CmSubscriptionNcmpOutEventPublisher)
-    def mockSubscriptionEventResponseCloudMapper = new SubscriptionEventResponseCloudMapper(new ObjectMapper())
 
     def objectUnderTest = new CmSubscriptionDmiOutEventConsumer(mockForwardedSubscriptionEventCache,
-        mockSubscriptionPersistence, mockSubscriptionEventResponseMapper, mockSubscriptionEventResponseOutcome, mockSubscriptionEventResponseCloudMapper)
+        mockSubscriptionPersistence, mockSubscriptionEventResponseMapper, mockSubscriptionEventResponseOutcome)
 
     def 'Consume Subscription Event Response where all DMIs have responded'() {
         given: 'a consumer record including cloud event having subscription response'
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionNcmpInEventConsumerSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionNcmpInEventConsumerSpec.groovy
index 24e829e280..31e8839582 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionNcmpInEventConsumerSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionNcmpInEventConsumerSpec.groovy
@@ -25,7 +25,6 @@ import io.cloudevents.CloudEvent
 import io.cloudevents.core.builder.CloudEventBuilder
 import org.apache.kafka.clients.consumer.ConsumerRecord
 import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionPersistence
-import org.onap.cps.ncmp.api.impl.utils.CmSubscriptionEventCloudMapper
 import org.onap.cps.ncmp.api.impl.yangmodels.YangModelSubscriptionEvent
 import org.onap.cps.ncmp.api.kafka.MessagingBaseSpec
 import org.onap.cps.ncmp.events.cmsubscription1_0_0.client_to_ncmp.CmSubscriptionNcmpInEvent
@@ -40,8 +39,7 @@ class CmSubscriptionNcmpInEventConsumerSpec extends MessagingBaseSpec {
     def mockCmSubscriptionNcmpInEventForwarder = Mock(CmSubscriptionNcmpInEventForwarder)
     def mockCmSubscriptionNcmpInEventMapper = Mock(CmSubscriptionNcmpInEventMapper)
     def mockSubscriptionPersistence = Mock(SubscriptionPersistence)
-    def cmSubscriptionEventCloudMapper = new CmSubscriptionEventCloudMapper(new ObjectMapper())
-    def objectUnderTest = new CmSubscriptionNcmpInEventConsumer(mockCmSubscriptionNcmpInEventForwarder, mockCmSubscriptionNcmpInEventMapper, mockSubscriptionPersistence, cmSubscriptionEventCloudMapper)
+    def objectUnderTest = new CmSubscriptionNcmpInEventConsumer(mockCmSubscriptionNcmpInEventForwarder, mockCmSubscriptionNcmpInEventMapper, mockSubscriptionPersistence)
 
     def yangModelSubscriptionEvent = new YangModelSubscriptionEvent()
 
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionNcmpInEventForwarderSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionNcmpInEventForwarderSpec.groovy
index 29cf8be8b6..a13fe53e82 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionNcmpInEventForwarderSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionNcmpInEventForwarderSpec.groovy
@@ -23,9 +23,6 @@ package org.onap.cps.ncmp.api.impl.events.cmsubscription
 import com.fasterxml.jackson.databind.ObjectMapper
 import com.hazelcast.map.IMap
 import io.cloudevents.CloudEvent
-import io.cloudevents.core.CloudEventUtils
-import io.cloudevents.core.data.PojoCloudEventData
-import io.cloudevents.jackson.PojoCloudEventDataMapper
 import org.mapstruct.factory.Mappers
 import org.onap.cps.ncmp.api.impl.events.EventsPublisher
 import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionPersistence
@@ -39,7 +36,7 @@ import org.onap.cps.ncmp.events.cmsubscription1_0_0.client_to_ncmp.CmSubscriptio
 import org.onap.cps.ncmp.events.cmsubscription1_0_0.dmi_to_ncmp.CmSubscriptionDmiOutEvent
 import org.onap.cps.ncmp.events.cmsubscription1_0_0.dmi_to_ncmp.Data
 import org.onap.cps.ncmp.events.cmsubscription1_0_0.ncmp_to_dmi.CmHandle
-import org.onap.cps.ncmp.events.cmsubscription1_0_0.ncmp_to_dmi.CmSubscriptionDmiInEvent;
+import org.onap.cps.ncmp.events.cmsubscription1_0_0.ncmp_to_dmi.CmSubscriptionDmiInEvent
 import org.onap.cps.ncmp.utils.TestUtils
 import org.onap.cps.utils.JsonObjectMapper
 import org.spockframework.spring.SpringBean
@@ -48,12 +45,13 @@ import org.springframework.boot.test.context.SpringBootTest
 import spock.util.concurrent.BlockingVariable
 import java.util.concurrent.TimeUnit
 
+import static org.onap.cps.ncmp.api.impl.events.mapper.CloudEventMapper.toTargetEvent
+
 @SpringBootTest(classes = [ObjectMapper, JsonObjectMapper, CmSubscriptionNcmpInEventForwarder])
 class CmSubscriptionNcmpInEventForwarderSpec extends MessagingBaseSpec {
 
     @Autowired
     CmSubscriptionNcmpInEventForwarder objectUnderTest
-
     @SpringBean
     InventoryPersistence mockInventoryPersistence = Mock(InventoryPersistence)
     @SpringBean
@@ -81,8 +79,8 @@ class CmSubscriptionNcmpInEventForwarderSpec extends MessagingBaseSpec {
             def testEventSent = jsonObjectMapper.convertJsonString(jsonData, CmSubscriptionNcmpInEvent.class)
         and: 'the InventoryPersistence returns private properties for the supplied CM Handles'
             1 * mockInventoryPersistence.getYangModelCmHandles(["CMHandle1", "CMHandle2", "CMHandle3"]) >> [
-                createYangModelCmHandleWithDmiProperty(1, 1,"shape","circle"),
-                createYangModelCmHandleWithDmiProperty(2, 1,"shape","square")
+                createYangModelCmHandleWithDmiProperty(1, 1, "shape", "circle"),
+                createYangModelCmHandleWithDmiProperty(2, 1, "shape", "square")
             ]
         and: 'the thread creation delay is reduced to 2 seconds for testing'
             objectUnderTest.dmiResponseTimeoutInMs = 2000
@@ -97,9 +95,9 @@ class CmSubscriptionNcmpInEventForwarderSpec extends MessagingBaseSpec {
         and: 'the event is forwarded twice with the CMHandle private properties and provides a valid listenable future'
             1 * mockSubscriptionEventPublisher.publishCloudEvent("ncmp-dmi-cm-avc-subscription-DMIName1", "SCO-9989752-cm-subscription-001-DMIName1",
                 cloudEvent -> {
-                    def targets = toSubscriptionEvent(cloudEvent).getData().getPredicates().getTargets()
-                    def cmHandle2 = createCmHandle('CMHandle2', ['shape':'square'] as Map)
-                    def cmHandle1 = createCmHandle('CMHandle1', ['shape':'circle'] as Map)
+                    def targets = toTargetEvent(cloudEvent, CmSubscriptionDmiInEvent.class).getData().getPredicates().getTargets()
+                    def cmHandle2 = createCmHandle('CMHandle2', ['shape': 'square'] as Map)
+                    def cmHandle1 = createCmHandle('CMHandle1', ['shape': 'circle'] as Map)
                     targets == [cmHandle2, cmHandle1]
                 }
             )
@@ -107,7 +105,7 @@ class CmSubscriptionNcmpInEventForwarderSpec extends MessagingBaseSpec {
             1 * mockForwardedSubscriptionEventCache.containsKey("SCO-9989752cm-subscription-001") >> true
             1 * mockCmSubscriptionNcmpOutEventPublisher.sendResponse(*_)
         and: 'the subscription id is removed from the event cache map returning the asynchronous blocking variable'
-            1 * mockForwardedSubscriptionEventCache.remove("SCO-9989752cm-subscription-001") >> {block.set(_)}
+            1 * mockForwardedSubscriptionEventCache.remove("SCO-9989752cm-subscription-001") >> { block.set(_) }
     }
 
     def 'Forward CM create subscription where target CM Handles are #scenario'() {
@@ -137,8 +135,8 @@ class CmSubscriptionNcmpInEventForwarderSpec extends MessagingBaseSpec {
             emptySubscriptionEventResponse.getData().setClientId('SCO-9989752');
         and: 'the cm handles will be rejected'
             def rejectedCmHandles = [new TargetCmHandle('CMHandle1', SubscriptionStatus.REJECTED, 'Cm handle does not exist'),
-                                     new TargetCmHandle('CMHandle2',SubscriptionStatus.REJECTED, 'Cm handle does not exist'),
-                                     new TargetCmHandle('CMHandle3',SubscriptionStatus.REJECTED, 'Cm handle does not exist')]
+                                     new TargetCmHandle('CMHandle2', SubscriptionStatus.REJECTED, 'Cm handle does not exist'),
+                                     new TargetCmHandle('CMHandle3', SubscriptionStatus.REJECTED, 'Cm handle does not exist')]
         and: 'a yang model subscription event will be saved into the db with rejected cm handles'
             def yangModelSubscriptionEvent = cmSubscriptionNcmpInEventMapper.toYangModelSubscriptionEvent(testEventSent)
             yangModelSubscriptionEvent.getPredicates().setTargetCmHandles(rejectedCmHandles)
@@ -155,16 +153,16 @@ class CmSubscriptionNcmpInEventForwarderSpec extends MessagingBaseSpec {
         and: 'the event is not being forwarded with the CMHandle private properties and does not provides a valid listenable future'
             0 * mockSubscriptionEventPublisher.publishCloudEvent("ncmp-dmi-cm-avc-subscription-DMIName1", "SCO-9989752-cm-subscription-001-DMIName1",
                 cloudEvent -> {
-                    def targets = toSubscriptionEvent(cloudEvent).getData().getPredicates().getTargets()
-                    def cmHandle2 = createCmHandle('CMHandle2', ['shape':'square'] as Map)
-                    def cmHandle1 = createCmHandle('CMHandle1', ['shape':'circle'] as Map)
+                    def targets = toTargetEvent(cloudEvent, CmSubscriptionDmiInEvent.class).getData().getPredicates().getTargets()
+                    def cmHandle2 = createCmHandle('CMHandle2', ['shape': 'square'] as Map)
+                    def cmHandle1 = createCmHandle('CMHandle1', ['shape': 'circle'] as Map)
                     targets == [cmHandle2, cmHandle1]
                 }
             )
             0 * mockSubscriptionEventPublisher.publishCloudEvent("ncmp-dmi-cm-avc-subscription-DMIName2", "SCO-9989752-cm-subscription-001-DMIName2",
                 cloudEvent -> {
-                    def targets = toSubscriptionEvent(cloudEvent).getData().getPredicates().getTargets()
-                    def cmHandle3 = createCmHandle('CMHandle3', ['shape':'triangle'] as Map)
+                    def targets = toTargetEvent(cloudEvent, CmSubscriptionDmiInEvent.class).getData().getPredicates().getTargets()
+                    def cmHandle3 = createCmHandle('CMHandle3', ['shape': 'triangle'] as Map)
                     targets == [cmHandle3]
                 }
             )
@@ -172,15 +170,15 @@ class CmSubscriptionNcmpInEventForwarderSpec extends MessagingBaseSpec {
             0 * mockForwardedSubscriptionEventCache.containsKey("SCO-9989752cm-subscription-001") >> true
             0 * mockForwardedSubscriptionEventCache.get(_)
         and: 'the subscription id is removed from the event cache map returning the asynchronous blocking variable'
-            0 * mockForwardedSubscriptionEventCache.remove("SCO-9989752cm-subscription-001") >> {block.set(_)}
+            0 * mockForwardedSubscriptionEventCache.remove("SCO-9989752cm-subscription-001") >> { block.set(_) }
         and: 'the persistence service save target cm handles of the yang model subscription event as rejected '
             1 * mockSubscriptionPersistence.saveSubscriptionEvent(yangModelSubscriptionEvent)
         and: 'subscription outcome has been sent'
             1 * mockCmSubscriptionNcmpOutEventPublisher.sendResponse(emptySubscriptionEventResponse, 'subscriptionCreatedStatus')
     }
 
-    static def createYangModelCmHandleWithDmiProperty(id, dmiId,propertyName, propertyValue) {
-        return new YangModelCmHandle(id:"CMHandle" + id, dmiDataServiceName: "DMIName" + dmiId, dmiProperties: [new YangModelCmHandle.Property(propertyName,propertyValue)])
+    static def createYangModelCmHandleWithDmiProperty(id, dmiId, propertyName, propertyValue) {
+        return new YangModelCmHandle(id: "CMHandle" + id, dmiDataServiceName: "DMIName" + dmiId, dmiProperties: [new YangModelCmHandle.Property(propertyName, propertyValue)])
     }
 
     static def createCmHandle(id, additionalProperties) {
@@ -190,15 +188,4 @@ class CmSubscriptionNcmpInEventForwarderSpec extends MessagingBaseSpec {
         return cmHandle
     }
 
-    def toSubscriptionEvent(cloudEvent) {
-        final PojoCloudEventData<CmSubscriptionDmiInEvent> deserializedCloudEvent = CloudEventUtils
-            .mapData(cloudEvent, PojoCloudEventDataMapper.from(objectMapper,
-                CmSubscriptionDmiInEvent.class));
-        if (deserializedCloudEvent == null) {
-            return null;
-        } else {
-            return deserializedCloudEvent.getValue();
-        }
-    }
-
 }
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/mapper/CloudEventMapperSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/mapper/CloudEventMapperSpec.groovy
new file mode 100644
index 0000000000..380aea4052
--- /dev/null
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/mapper/CloudEventMapperSpec.groovy
@@ -0,0 +1,54 @@
+/*
+ * ============LICENSE_START========================================================
+ * Copyright (c) 2023 Nordix Foundation.
+ *  ================================================================================
+ *  Licensed 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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.ncmp.api.impl.events.mapper
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import io.cloudevents.core.builder.CloudEventBuilder
+import org.onap.cps.ncmp.events.cmsubscription1_0_0.client_to_ncmp.CmSubscriptionNcmpInEvent
+import org.onap.cps.utils.JsonObjectMapper
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.context.SpringBootTest
+import spock.lang.Specification
+
+@SpringBootTest(classes = [ObjectMapper, JsonObjectMapper])
+class CloudEventMapperSpec extends Specification {
+
+    @Autowired
+    JsonObjectMapper jsonObjectMapper
+
+    def 'Cloud event to Target event type when it is #scenario'() {
+        expect: 'Events mapped correctly'
+            assert mappedCloudEvent == (CloudEventMapper.toTargetEvent(testCloudEvent(), targetClass) != null)
+        where: 'below are the scenarios'
+            scenario                | targetClass                     || mappedCloudEvent
+            'valid concrete type'   | CmSubscriptionNcmpInEvent.class || true
+            'invalid concrete type' | ArrayList.class                 || false
+    }
+
+    def testCloudEvent() {
+        return CloudEventBuilder.v1().withData(jsonObjectMapper.asJsonBytes(new CmSubscriptionNcmpInEvent()))
+            .withId("cmhandle1")
+            .withSource(URI.create('test-source'))
+            .withDataSchema(URI.create('test'))
+            .withType('org.onap.cm.events.cm-subscription')
+            .build()
+    }
+}
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/operations/DmiDataOperationsSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/operations/DmiDataOperationsSpec.groovy
index b60f4e65fa..76ef23fe55 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/operations/DmiDataOperationsSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/operations/DmiDataOperationsSpec.groovy
@@ -22,8 +22,6 @@
 package org.onap.cps.ncmp.api.impl.operations
 
 import com.fasterxml.jackson.databind.ObjectMapper
-import io.cloudevents.core.CloudEventUtils
-import io.cloudevents.jackson.PojoCloudEventDataMapper
 import org.onap.cps.ncmp.api.NcmpEventResponseCode
 import org.onap.cps.ncmp.api.impl.config.NcmpConfiguration
 import org.onap.cps.ncmp.api.impl.events.EventsPublisher
@@ -48,6 +46,7 @@ import static org.onap.cps.ncmp.api.impl.operations.DatastoreType.PASSTHROUGH_RU
 import static org.onap.cps.ncmp.api.impl.operations.OperationType.CREATE
 import static org.onap.cps.ncmp.api.impl.operations.OperationType.READ
 import static org.onap.cps.ncmp.api.impl.operations.OperationType.UPDATE
+import static org.onap.cps.ncmp.api.impl.events.mapper.CloudEventMapper.toTargetEvent
 
 @SpringBootTest
 @ContextConfiguration(classes = [EventsPublisher, CpsApplicationContext, NcmpConfiguration.DmiProperties, DmiDataOperations])
@@ -171,6 +170,6 @@ class DmiDataOperationsSpec extends DmiOperationsBaseSpec {
     }
 
     def extractDataValue(actualDataOperationCloudEvent) {
-        return CloudEventUtils.mapData(actualDataOperationCloudEvent, PojoCloudEventDataMapper.from(new ObjectMapper(), DataOperationEvent.class)).getValue().data.responses[0]
+        return toTargetEvent(actualDataOperationCloudEvent, DataOperationEvent.class).data.responses[0]
     }
 }
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/utils/CmSubscriptionEventCloudMapperSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/utils/CmSubscriptionEventCloudMapperSpec.groovy
index 4f5d3b19da..fa2828a4f1 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/utils/CmSubscriptionEventCloudMapperSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/utils/CmSubscriptionEventCloudMapperSpec.groovy
@@ -23,7 +23,6 @@ package org.onap.cps.ncmp.api.impl.utils
 import com.fasterxml.jackson.core.JsonProcessingException
 import com.fasterxml.jackson.databind.ObjectMapper
 import io.cloudevents.core.builder.CloudEventBuilder
-import org.onap.cps.ncmp.events.cmsubscription1_0_0.client_to_ncmp.CmSubscriptionNcmpInEvent
 import org.onap.cps.ncmp.events.cmsubscription1_0_0.ncmp_to_dmi.CmSubscriptionDmiInEvent
 import org.onap.cps.ncmp.utils.TestUtils
 import org.onap.cps.utils.JsonObjectMapper
@@ -44,36 +43,6 @@ class CmSubscriptionEventCloudMapperSpec extends Specification {
 
     def objectUnderTest = new CmSubscriptionEventCloudMapper(spyObjectMapper)
 
-    def 'Map the data of the cloud event to subscription event'() {
-        given: 'a cloud event having a subscription event in the data part'
-            def jsonData = TestUtils.getResourceFileContent('cmSubscriptionNcmpInEvent.json')
-            def testEventData = jsonObjectMapper.convertJsonString(jsonData, CmSubscriptionNcmpInEvent.class)
-            def testCloudEvent = CloudEventBuilder.v1()
-                .withData(objectMapper.writeValueAsBytes(testEventData))
-                .withId('some-event-id')
-                .withType('subscriptionCreated')
-                .withSource(URI.create('some-resource'))
-                .withExtension('correlationid', 'test-cmhandle1').build()
-        when: 'the cloud event map to subscription event'
-            def resultSubscriptionEvent = objectUnderTest.toCmSubscriptionNcmpInEvent(testCloudEvent)
-        then: 'the subscription event resulted having expected values'
-            resultSubscriptionEvent.getData() == testEventData.getData()
-    }
-
-    def 'Map the null of the data of the cloud event to subscription event'() {
-        given: 'a cloud event having a null subscription event in the data part'
-            def testCloudEvent = CloudEventBuilder.v1()
-                .withData(null)
-                .withId('some-event-id')
-                .withType('subscriptionCreated')
-                .withSource(URI.create('some-resource'))
-                .withExtension('correlationid', 'test-cmhandle1').build()
-        when: 'the cloud event map to subscription event'
-            def resultSubscriptionEvent = objectUnderTest.toCmSubscriptionNcmpInEvent(testCloudEvent)
-        then: 'the subscription event resulted having a null value'
-            resultSubscriptionEvent == null
-    }
-
     def 'Map the subscription event to data of the cloud event'() {
         given: 'a subscription event'
             def jsonData = TestUtils.getResourceFileContent('cmSubscriptionDmiInEvent.json')
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/utils/SubscriptionEventResponseCloudMapperSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/utils/SubscriptionEventResponseCloudMapperSpec.groovy
deleted file mode 100644
index 89b13e26e5..0000000000
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/utils/SubscriptionEventResponseCloudMapperSpec.groovy
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * ============LICENSE_START========================================================
- * Copyright (c) 2023 Nordix Foundation.
- *  ================================================================================
- *  Licensed 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.
- *
- *  SPDX-License-Identifier: Apache-2.0
- *  ============LICENSE_END=========================================================
- */
-
-package org.onap.cps.ncmp.api.impl.utils
-
-import com.fasterxml.jackson.databind.ObjectMapper
-import io.cloudevents.core.builder.CloudEventBuilder
-import org.onap.cps.ncmp.events.cmsubscription1_0_0.dmi_to_ncmp.CmSubscriptionDmiOutEvent
-import org.onap.cps.ncmp.utils.TestUtils
-import org.onap.cps.utils.JsonObjectMapper
-import org.springframework.beans.factory.annotation.Autowired
-import org.springframework.boot.test.context.SpringBootTest
-import spock.lang.Specification
-
-@SpringBootTest(classes = [ObjectMapper, JsonObjectMapper])
-class SubscriptionEventResponseCloudMapperSpec extends Specification {
-
-    @Autowired
-    JsonObjectMapper jsonObjectMapper
-
-    @Autowired
-    ObjectMapper objectMapper
-
-    def spyObjectMapper = Spy(ObjectMapper)
-
-    def objectUnderTest = new SubscriptionEventResponseCloudMapper(spyObjectMapper)
-
-    def 'Map the cloud event to subscription event response'() {
-        given: 'a cloud event having a subscription event response in the data part'
-            def jsonData = TestUtils.getResourceFileContent('cmSubscriptionDmiOutEvent.json')
-            def testEventData = jsonObjectMapper.convertJsonString(jsonData, CmSubscriptionDmiOutEvent.class)
-            def testCloudEvent = CloudEventBuilder.v1()
-                .withData(objectMapper.writeValueAsBytes(testEventData))
-                .withId('some-event-id')
-                .withType('subscriptionCreatedStatus')
-                .withSource(URI.create('some-resource'))
-                .withExtension('correlationid', 'test-cmhandle1').build()
-        when: 'the cloud event map to subscription event response'
-            def resultSubscriptionEvent = objectUnderTest.toCmSubscriptionDmiOutEvent(testCloudEvent)
-        then: 'the subscription event resulted having expected values'
-            resultSubscriptionEvent.getData() == testEventData.getData()
-    }
-
-    def 'Map null of the data of the cloud event to subscription event response'() {
-        given: 'a cloud event having a null subscription event response in the data part'
-            def testCloudEvent = CloudEventBuilder.v1()
-                .withData(null)
-                .withId('some-event-id')
-                .withType('subscriptionCreatedStatus')
-                .withSource(URI.create('some-resource'))
-                .withExtension('correlationid', 'test-cmhandle1').build()
-        when: 'the cloud event map to subscription event response'
-            def resultSubscriptionEvent = objectUnderTest.toCmSubscriptionDmiOutEvent(testCloudEvent)
-        then: 'the subscription event response resulted having a null value'
-            resultSubscriptionEvent == null
-    }
-}
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/utils/data/operation/ResourceDataOperationRequestUtilsSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/utils/data/operation/ResourceDataOperationRequestUtilsSpec.groovy
index 401254f546..c866824062 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/utils/data/operation/ResourceDataOperationRequestUtilsSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/utils/data/operation/ResourceDataOperationRequestUtilsSpec.groovy
@@ -22,8 +22,6 @@ package org.onap.cps.ncmp.api.impl.utils.data.operation
 
 import com.fasterxml.jackson.databind.ObjectMapper
 import io.cloudevents.CloudEvent
-import io.cloudevents.core.CloudEventUtils
-import io.cloudevents.jackson.PojoCloudEventDataMapper
 import io.cloudevents.kafka.CloudEventDeserializer
 import io.cloudevents.kafka.impl.KafkaHeaders
 import org.apache.kafka.clients.consumer.KafkaConsumer
@@ -42,6 +40,8 @@ import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.test.context.ContextConfiguration
 import java.time.Duration
 
+import static org.onap.cps.ncmp.api.impl.events.mapper.CloudEventMapper.toTargetEvent
+
 @ContextConfiguration(classes = [EventsPublisher, CpsApplicationContext, ObjectMapper])
 class ResourceDataOperationRequestUtilsSpec extends MessagingBaseSpec {
 
@@ -106,8 +106,8 @@ class ResourceDataOperationRequestUtilsSpec extends MessagingBaseSpec {
             assert KafkaHeaders.getParsedKafkaHeader(consumerRecordOutHeaders, 'ce_correlationid') == 'request-id'
             assert KafkaHeaders.getParsedKafkaHeader(consumerRecordOutHeaders, 'ce_destination') == clientTopic
         and: 'map consumer record to expected event type'
-            def dataOperationResponseEvent = CloudEventUtils.mapData(consumerRecordOut.value(),
-                    PojoCloudEventDataMapper.from(objectMapper, DataOperationEvent.class)).getValue()
+            def dataOperationResponseEvent =
+                toTargetEvent(consumerRecordOut.value(), DataOperationEvent.class)
         and: 'data operation response event response size is 3'
             dataOperationResponseEvent.data.responses.size() == 3
         and: 'verify published response data as json string'