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/*
* ============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.builder.CloudEventBuilder;
import io.cloudevents.core.data.PojoCloudEventData;
import io.cloudevents.jackson.PojoCloudEventDataMapper;
import java.net.URI;
import java.util.UUID;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.onap.cps.ncmp.events.avcsubscription1_0_0.client_to_ncmp.SubscriptionEvent;
import org.onap.cps.spi.exceptions.CloudEventConstructionException;
@NoArgsConstructor(access = AccessLevel.PRIVATE)
@Slf4j
public class SubscriptionEventCloudMapper {
private static final ObjectMapper objectMapper = new ObjectMapper();
private static String randomId = UUID.randomUUID().toString();
/**
* Maps CloudEvent object to SubscriptionEvent.
*
* @param cloudEvent object.
* @return SubscriptionEvent deserialized.
*/
public static SubscriptionEvent toSubscriptionEvent(final CloudEvent cloudEvent) {
final PojoCloudEventData<SubscriptionEvent> deserializedCloudEvent = CloudEventUtils
.mapData(cloudEvent, PojoCloudEventDataMapper.from(objectMapper, SubscriptionEvent.class));
if (deserializedCloudEvent == null) {
log.debug("No data found in the consumed event");
return null;
} else {
final SubscriptionEvent subscriptionEvent = deserializedCloudEvent.getValue();
log.debug("Consuming event {}", subscriptionEvent);
return subscriptionEvent;
}
}
/**
* Maps SubscriptionEvent to a CloudEvent.
*
* @param ncmpSubscriptionEvent object.
* @param eventKey as String.
* @return CloudEvent built.
*/
public static CloudEvent toCloudEvent(
final org.onap.cps.ncmp.events.avcsubscription1_0_0.ncmp_to_dmi.SubscriptionEvent ncmpSubscriptionEvent,
final String eventKey, final String eventType) {
try {
return CloudEventBuilder.v1()
.withId(randomId)
.withSource(URI.create(ncmpSubscriptionEvent.getData().getSubscription().getClientID()))
.withType(eventType)
.withExtension("correlationid", eventKey)
.withDataSchema(URI.create("urn:cps:"
+ org.onap.cps.ncmp.events.avcsubscription1_0_0.ncmp_to_dmi
.SubscriptionEvent.class.getName() + ":1.0.0"))
.withData(objectMapper.writeValueAsBytes(ncmpSubscriptionEvent)).build();
} catch (final Exception ex) {
throw new CloudEventConstructionException("The Cloud Event could not be constructed", "Invalid object to "
+ "serialize or required headers is missing", ex);
}
}
}
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