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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation.
* Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.policy.models.tosca.simple.serialization;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;
import java.lang.reflect.Type;
import lombok.NonNull;
import org.onap.policy.models.base.PfConceptKey;
import org.onap.policy.models.tosca.simple.concepts.ToscaDataTypes;
import org.onap.policy.models.tosca.simple.concepts.ToscaPolicyTypes;
import org.onap.policy.models.tosca.simple.concepts.ToscaServiceTemplate;
import org.onap.policy.models.tosca.simple.concepts.ToscaTopologyTemplate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* GSON type adapter for TOSCA policies.
*
* @author Liam Fallon (liam.fallon@est.tech)
* @author Chenfei Gao (cgao@research.att.com)
*/
public class ToscaServiceTemplateJsonAdapter
implements JsonSerializer<ToscaServiceTemplate>, JsonDeserializer<ToscaServiceTemplate> {
private static final Logger LOGGER = LoggerFactory.getLogger(ToscaServiceTemplateJsonAdapter.class);
private static final String TOPOLOGY_TEMPLATE = "topology_template";
private static final String TOSCA_DEFINITIONS_VERSION = "tosca_definitions_version";
private static final String POLICY_TYPES = "policy_types";
private static final String DATA_TYPES = "data_types";
@Override
public ToscaServiceTemplate deserialize(@NonNull final JsonElement serviceTemplateElement, @NonNull final Type type,
@NonNull final JsonDeserializationContext context) {
// The incoming JSON
final JsonObject serviceTemplateJsonObject = serviceTemplateElement.getAsJsonObject();
// The outgoing object
final PfConceptKey serviceTemplateKey = new PfConceptKey("IncomingServiceTemplate", "0.0.1");
final ToscaServiceTemplate serviceTemplate = new ToscaServiceTemplate(serviceTemplateKey);
// Set tosca_definitions_version
serviceTemplate
.setToscaDefinitionsVersion(serviceTemplateJsonObject.get(TOSCA_DEFINITIONS_VERSION).getAsString());
// Set topology_template
if (serviceTemplateJsonObject.has(TOPOLOGY_TEMPLATE)) {
serviceTemplate.setTopologyTemplate(new ToscaTopologyTemplateJsonAdapter().deserialize(
serviceTemplateJsonObject.get(TOPOLOGY_TEMPLATE), ToscaTopologyTemplate.class, context));
serviceTemplate.getTopologyTemplate().getKey().setParentConceptKey(serviceTemplateKey);
}
// Set policy_types
if (serviceTemplateJsonObject.has(POLICY_TYPES)) {
serviceTemplate.setPolicyTypes(new ToscaPolicyTypesJsonAdapter().deserialize(
serviceTemplateJsonObject.get(POLICY_TYPES), ToscaPolicyTypes.class, context));
}
// Set data_types
if (serviceTemplateJsonObject.has(DATA_TYPES)) {
serviceTemplate.setDataTypes(new ToscaDataTypesJsonAdapter().deserialize(
serviceTemplateJsonObject.get(DATA_TYPES), ToscaDataTypes.class, context));
}
return serviceTemplate;
}
@Override
public JsonElement serialize(@NonNull final ToscaServiceTemplate serviceTemplate, @NonNull final Type type,
@NonNull final JsonSerializationContext context) {
JsonObject serviceTemplateJsonObject = new JsonObject();
// Serialize tosca_definitions_version
if (serviceTemplate.getToscaDefinitionsVersion() != null) {
serviceTemplateJsonObject.addProperty(
TOSCA_DEFINITIONS_VERSION, serviceTemplate.getToscaDefinitionsVersion());
}
// Serialize topoligy_template
if (serviceTemplate.getTopologyTemplate() != null) {
JsonElement topologyTemplateJsonElement = new ToscaTopologyTemplateJsonAdapter()
.serialize(serviceTemplate.getTopologyTemplate(), type, context);
serviceTemplateJsonObject.add(TOPOLOGY_TEMPLATE, topologyTemplateJsonElement);
}
// Serialize policy_types
if (serviceTemplate.getPolicyTypes() != null) {
JsonElement policyTypesJsonElement = new ToscaPolicyTypesJsonAdapter()
.serialize(serviceTemplate.getPolicyTypes(), type, context);
serviceTemplateJsonObject.add(POLICY_TYPES, policyTypesJsonElement);
}
// Serialize data_types
if (serviceTemplate.getDataTypes() != null) {
JsonElement dataTypesJsonElement = new ToscaDataTypesJsonAdapter()
.serialize(serviceTemplate.getDataTypes(), type, context);
serviceTemplateJsonObject.add(DATA_TYPES, dataTypesJsonElement);
}
return serviceTemplateJsonObject;
}
}
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