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A Cloud Foundry client library for Java

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package org.cloudfoundry.client.lib.adapters;

import org.cloudfoundry.client.lib.domain.CloudEvent;
import org.cloudfoundry.client.lib.domain.CloudEvent.Participant;
import org.cloudfoundry.client.lib.domain.ImmutableCloudEvent;
import org.cloudfoundry.client.lib.domain.ImmutableCloudEvent.ImmutableParticipant;
import org.cloudfoundry.client.v2.Resource;
import org.cloudfoundry.client.v2.events.EventEntity;
import org.immutables.value.Value;

@Value.Immutable
public abstract class RawCloudEvent extends RawCloudEntity {

    @Value.Parameter
    public abstract Resource getResource();

    @Override
    public CloudEvent derive() {
        Resource resource = getResource();
        EventEntity entity = resource.getEntity();
        return ImmutableCloudEvent.builder()
                                  .metadata(parseResourceMetadata(resource))
                                  .actee(parseActee(entity))
                                  .actor(parseActor(entity))
                                  .timestamp(parseNullableDate(entity.getTimestamp()))
                                  .type(entity.getType())
                                  .build();
    }

    private static Participant parseActee(EventEntity entity) {
        return ImmutableParticipant.builder()
                                   .guid(parseNullableGuid(entity.getActee()))
                                   .name(entity.getActeeName())
                                   .type(entity.getActeeType())
                                   .build();
    }

    private static Participant parseActor(EventEntity entity) {
        return ImmutableParticipant.builder()
                                   .guid(parseNullableGuid(entity.getActor()))
                                   .name(entity.getActorName())
                                   .type(entity.getActorType())
                                   .build();
    }

}