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/*-
* ============LICENSE_START=======================================================
* ONAP POLICY-CLAMP
* ================================================================================
* Copyright (C) 2021 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.
* ============LICENSE_END============================================
* ===================================================================
*
*/
package org.onap.policy.clamp.policy;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import java.io.UnsupportedEncodingException;
import java.util.Map;
import org.apache.commons.lang3.StringUtils;
import org.json.JSONObject;
import org.onap.policy.clamp.clds.util.JsonUtils;
import org.yaml.snakeyaml.Yaml;
/**
* This class is a utility class to create the policy payload.
*/
public class PolicyPayload {
private static final EELFLogger logger = EELFManager.getInstance().getLogger(PolicyPayload.class);
private static JsonObject createJsonFromPolicyTosca(String toscaContent) {
Map<String, Object> map =
new Yaml().load(!StringUtils.isEmpty(toscaContent) ? toscaContent : "");
return JsonUtils.GSON.fromJson(new JSONObject(map).toString(), JsonObject.class);
}
/**
* This method create the policy payload that must be sent to PEF.
*
* @return A String containing the payload
* @throws UnsupportedEncodingException In case of failure
*/
public static String createPolicyPayload(String policyModelType, String policyModelVersion, String policyName,
String policyVersion, JsonObject policyProperties, String toscaContent)
throws UnsupportedEncodingException {
JsonObject policyPayloadResult = new JsonObject();
policyPayloadResult.add("tosca_definitions_version",
createJsonFromPolicyTosca(toscaContent).get("tosca_definitions_version"));
JsonObject topologyTemplateNode = new JsonObject();
policyPayloadResult.add("topology_template", topologyTemplateNode);
JsonArray policiesArray = new JsonArray();
topologyTemplateNode.add("policies", policiesArray);
JsonObject thisPolicy = new JsonObject();
policiesArray.add(thisPolicy);
JsonObject policyDetails = new JsonObject();
thisPolicy.add(policyName, policyDetails);
policyDetails.addProperty("type", policyModelType);
policyDetails.addProperty("type_version", policyModelVersion);
policyDetails.addProperty("version", policyVersion);
policyDetails.addProperty("name", policyName);
JsonObject policyMetadata = new JsonObject();
policyDetails.add("metadata", policyMetadata);
policyMetadata.addProperty("policy-id", policyName);
policyMetadata.addProperty("policy-version", policyVersion);
policyDetails.add("properties", policyProperties);
String policyPayload = JsonUtils.GSON.toJson(policyPayloadResult);
logger.info("Policy payload: " + policyPayload);
return policyPayload;
}
}
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