gerrit.onap Code Review - cps/ncmp-dmi-plugin.git/blob

   1 /*
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2023 Nordix Foundation
   4  *  ================================================================================
   5  *  Licensed under the Apache License, Version 2.0 (the "License");
   6  *  you may not use this file except in compliance with the License.
   7  *  You may obtain a copy of the License at
   8  *
   9  *        http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  *  Unless required by applicable law or agreed to in writing, software
  12  *  distributed under the License is distributed on an "AS IS" BASIS,
  13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  *  See the License for the specific language governing permissions and
  15  *  limitations under the License.
  16  *
  17  *  SPDX-License-Identifier: Apache-2.0
  18  *  ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.cps.ncmp.dmi.notifications.avcsubscription;
  22
  23 import com.fasterxml.jackson.databind.ObjectMapper;
  24 import io.cloudevents.CloudEvent;
  25 import io.cloudevents.core.CloudEventUtils;
  26 import io.cloudevents.core.builder.CloudEventBuilder;
  27 import io.cloudevents.core.data.PojoCloudEventData;
  28 import io.cloudevents.jackson.PojoCloudEventDataMapper;
  29 import java.net.URI;
  30 import java.util.UUID;
  31 import lombok.AccessLevel;
  32 import lombok.NoArgsConstructor;
  33 import lombok.extern.slf4j.Slf4j;
  34 import org.onap.cps.ncmp.dmi.exception.CloudEventConstructionException;
  35 import org.onap.cps.ncmp.events.avcsubscription1_0_0.dmi_to_ncmp.SubscriptionEventResponse;
  36 import org.onap.cps.ncmp.events.avcsubscription1_0_0.ncmp_to_dmi.SubscriptionEvent;
  37
  38 @NoArgsConstructor(access = AccessLevel.PRIVATE)
  39 @Slf4j
  40 public class SubscriptionEventResponseMapper {
  41
  42     private static final ObjectMapper objectMapper = new ObjectMapper();
  43
  44     /**
  45      * Maps CloudEvent object to SubscriptionEvent object.
  46      *
  47      * @param cloudEvent object
  48      * @return SubscriptionEvent deserialized
  49      */
  50     public static SubscriptionEvent toSubscriptionEvent(final CloudEvent cloudEvent) {
  51         final PojoCloudEventData<SubscriptionEvent> deserializedCloudEvent =
  52             CloudEventUtils.mapData(cloudEvent,
  53                 PojoCloudEventDataMapper.from(objectMapper, SubscriptionEvent.class));
  54         if (deserializedCloudEvent == null) {
  55             log.debug("No data found in the consumed subscription response event");
  56             return null;
  57         } else {
  58             final SubscriptionEvent subscriptionEvent = deserializedCloudEvent.getValue();
  59             log.debug("Consuming subscription response event {}", subscriptionEvent);
  60             return subscriptionEvent;
  61         }
  62     }
  63
  64     /**
  65      * Maps SubscriptionEventResponse to a CloudEvent.
  66      *
  67      * @param subscriptionEventResponse object.
  68      * @param subscriptionType String of subscription type.
  69      * @param dmiName String of dmiName.
  70      * @return CloudEvent built.
  71      */
  72     public static CloudEvent toCloudEvent(
  73         final org.onap.cps.ncmp.events.avcsubscription1_0_0.dmi_to_ncmp.SubscriptionEventResponse
  74             subscriptionEventResponse,
  75         final String subscriptionType,
  76         final String dmiName) {
  77         try {
  78             return CloudEventBuilder.v1()
  79                 .withId(UUID.randomUUID().toString())
  80                 .withSource(URI.create(dmiName))
  81                 .withType(subscriptionType)
  82                 .withDataSchema(URI.create("urn:cps:" + SubscriptionEventResponse.class.getName() + ":1.0.0"))
  83                 .withExtension("correlationid", subscriptionEventResponse.getData().getClientId() + ":"
  84                     + subscriptionEventResponse.getData().getSubscriptionName())
  85                 .withData(objectMapper.writeValueAsBytes(subscriptionEventResponse))
  86                 .build();
  87         } catch (final Exception ex) {
  88             throw new CloudEventConstructionException("The Cloud Event could not be constructed", "Invalid object to "
  89                 + "serialize or required headers is missing", ex);
  90         }
  91     }
  92
  93
  94 }