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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019-2020 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.policy.models.tosca.legacy.mapping;
import java.util.HashMap;
import java.util.Map;
import javax.ws.rs.core.Response;
import org.onap.policy.models.base.PfConceptKey;
import org.onap.policy.models.base.PfModelRuntimeException;
import org.onap.policy.models.tosca.legacy.concepts.LegacyOperationalPolicy;
import org.onap.policy.models.tosca.simple.concepts.JpaToscaPolicies;
import org.onap.policy.models.tosca.simple.concepts.JpaToscaPolicy;
import org.onap.policy.models.tosca.simple.concepts.JpaToscaServiceTemplate;
import org.onap.policy.models.tosca.simple.concepts.JpaToscaTopologyTemplate;
import org.onap.policy.models.tosca.simple.mapping.JpaToscaServiceTemplateMapper;
import org.onap.policy.models.tosca.utils.ToscaUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* This class maps a legacy operational policy to and from a TOSCA service template.
*
* @author Liam Fallon (liam.fallon@est.tech)
*/
public class LegacyOperationalPolicyMapper
implements JpaToscaServiceTemplateMapper<LegacyOperationalPolicy, LegacyOperationalPolicy> {
// Property name for the operational policy content
private static final String CONTENT_PROPERTY = "content";
private static final Logger LOGGER = LoggerFactory.getLogger(LegacyOperationalPolicyMapper.class);
private static final PfConceptKey LEGACY_OPERATIONAL_TYPE =
new PfConceptKey("onap.policies.controlloop.Operational", "1.0.0");
@Override
public JpaToscaServiceTemplate toToscaServiceTemplate(final LegacyOperationalPolicy legacyOperationalPolicy) {
String incomingVersion = legacyOperationalPolicy.getPolicyVersion();
if (incomingVersion == null) {
incomingVersion = "1";
}
PfConceptKey policyKey = new PfConceptKey(legacyOperationalPolicy.getPolicyId(), incomingVersion + ".0.0");
final JpaToscaPolicy toscaPolicy = new JpaToscaPolicy(policyKey);
toscaPolicy.setType(LEGACY_OPERATIONAL_TYPE);
final Map<String, String> propertyMap = new HashMap<>();
toscaPolicy.setProperties(propertyMap);
toscaPolicy.getProperties().put(CONTENT_PROPERTY, legacyOperationalPolicy.getContent());
final JpaToscaServiceTemplate serviceTemplate = new JpaToscaServiceTemplate();
serviceTemplate.setToscaDefinitionsVersion("tosca_simple_yaml_1_0_0");
serviceTemplate.setTopologyTemplate(new JpaToscaTopologyTemplate());
serviceTemplate.getTopologyTemplate().setPolicies(new JpaToscaPolicies());
serviceTemplate.getTopologyTemplate().getPolicies().getConceptMap().put(policyKey, toscaPolicy);
return serviceTemplate;
}
@Override
public LegacyOperationalPolicy fromToscaServiceTemplate(final JpaToscaServiceTemplate serviceTemplate) {
ToscaUtils.assertPoliciesExist(serviceTemplate);
if (serviceTemplate.getTopologyTemplate().getPolicies().getConceptMap().size() > 1) {
String errorMessage = "more than one policy found in service template";
LOGGER.warn(errorMessage);
throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, errorMessage);
}
// Get the policy
final JpaToscaPolicy toscaPolicy =
serviceTemplate.getTopologyTemplate().getPolicies().getAll(null).iterator().next();
final LegacyOperationalPolicy legacyOperationalPolicy = new LegacyOperationalPolicy();
legacyOperationalPolicy.setPolicyId(toscaPolicy.getKey().getName());
legacyOperationalPolicy.setPolicyVersion(Integer.toString(toscaPolicy.getKey().getMajorVersion()));
if (toscaPolicy.getProperties() == null) {
String errorMessage = "no properties defined on TOSCA policy";
LOGGER.warn(errorMessage);
throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, errorMessage);
}
String content = toscaPolicy.getProperties().get(CONTENT_PROPERTY);
if (content == null) {
String errorMessage = "property \"content\" not defined on TOSCA policy";
LOGGER.warn(errorMessage);
throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, errorMessage);
}
legacyOperationalPolicy.setContent(content);
return legacyOperationalPolicy;
}
}
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