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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.JsonArray;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;
import java.lang.reflect.Type;
import java.util.Iterator;
import java.util.Map.Entry;
import lombok.NonNull;
import org.onap.policy.models.base.PfConceptKey;
import org.onap.policy.models.tosca.simple.concepts.ToscaPolicies;
import org.onap.policy.models.tosca.simple.concepts.ToscaPolicy;
/**
* GSON type adapter for TOSCA policies.
*
* @author Liam Fallon (liam.fallon@est.tech)
* @author Chenfei Gao (cgao@research.att.com)
*/
public class ToscaPoliciesJsonAdapter implements JsonSerializer<ToscaPolicies>, JsonDeserializer<ToscaPolicies> {
@Override
public ToscaPolicies deserialize(@NonNull final JsonElement policiesElement, @NonNull final Type type,
@NonNull final JsonDeserializationContext context) {
// The incoming JSON
final JsonArray policiesJsonArray = policiesElement.getAsJsonArray();
// The outgoing object
final PfConceptKey policiesKey = new PfConceptKey("IncomingPolicies", "0.0.1");
final ToscaPolicies policies = new ToscaPolicies(policiesKey);
// Get the policies
for (Iterator<JsonElement> policiesIterator = policiesJsonArray.iterator(); policiesIterator.hasNext(); ) {
ToscaPolicy policy = new ToscaPolicyJsonAdapter()
.deserialize(policiesIterator.next(), ToscaPolicy.class, context);
policies.getConceptMap().put(policy.getKey(), policy);
}
return policies;
}
@Override
public JsonElement serialize(@NonNull final ToscaPolicies policies, @NonNull final Type type,
@NonNull final JsonSerializationContext context) {
JsonArray policiesJsonArray = new JsonArray();
for (ToscaPolicy policy: policies.getConceptMap().values()) {
JsonElement policyEntry = new ToscaPolicyJsonAdapter().serialize(policy, type, context);
policiesJsonArray.add(policyEntry);
}
return policiesJsonArray;
}
}
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