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/*
* ============LICENSE_START=======================================================
* org.onap.integration
* ================================================================================
* Copyright (C) 2018 NOKIA 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.pnfsimulator.message;
import static org.onap.pnfsimulator.message.MessageConstants.COMMON_EVENT_HEADER;
import static org.onap.pnfsimulator.message.MessageConstants.DOMAIN;
import static org.onap.pnfsimulator.message.MessageConstants.EVENT_ID;
import static org.onap.pnfsimulator.message.MessageConstants.EVENT_TYPE;
import static org.onap.pnfsimulator.message.MessageConstants.INTERNAL_HEADER_FIELDS;
import static org.onap.pnfsimulator.message.MessageConstants.LAST_EPOCH_MICROSEC;
import static org.onap.pnfsimulator.message.MessageConstants.OTHER_FIELDS;
import static org.onap.pnfsimulator.message.MessageConstants.OTHER_FIELDS_VERSION;
import static org.onap.pnfsimulator.message.MessageConstants.PNF_LAST_SERVICE_DATE;
import static org.onap.pnfsimulator.message.MessageConstants.PNF_MANUFACTURE_DATE;
import static org.onap.pnfsimulator.message.MessageConstants.PNF_PREFIX;
import static org.onap.pnfsimulator.message.MessageConstants.PRIORITY;
import static org.onap.pnfsimulator.message.MessageConstants.SEQUENCE;
import static org.onap.pnfsimulator.message.MessageConstants.START_EPOCH_MICROSEC;
import static org.onap.pnfsimulator.message.MessageConstants.VERSION;
import java.util.Map;
import java.util.UUID;
import com.google.common.base.Preconditions;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.json.JSONObject;
public class MessageProvider {
private static MessageProvider instance;
public static MessageProvider getInstance() {
if (instance == null) {
instance = new MessageProvider();
}
return instance;
}
public JSONObject createMessage(JSONObject params) {
Preconditions.checkArgument(params != null, "Params object cannot be null");
Map<String, Object> paramsMap = params.toMap();
JSONObject root = new JSONObject();
JSONObject commonEventHeader = generateConstantCommonEventHeader();
JSONObject otherFields = generateConstantOtherFields();
paramsMap.forEach((key, value) -> {
if (key.startsWith(PNF_PREFIX)) {
otherFields.put(key, value);
} else {
commonEventHeader.put(key, value);
}
});
root.put(COMMON_EVENT_HEADER, commonEventHeader);
root.put(OTHER_FIELDS, otherFields);
return root;
}
private JSONObject generateConstantCommonEventHeader() {
JSONObject commonEventHeader = new JSONObject();
long timestamp = System.currentTimeMillis();
commonEventHeader.put(DOMAIN, "other");
commonEventHeader.put(EVENT_ID, UUID.randomUUID() + "-reg");
commonEventHeader.put(EVENT_TYPE, "pnfRegistration");
commonEventHeader.put(LAST_EPOCH_MICROSEC, timestamp);
commonEventHeader.put(PRIORITY, "Normal");
commonEventHeader.put(SEQUENCE, 0);
commonEventHeader.put(START_EPOCH_MICROSEC, timestamp);
commonEventHeader.put(INTERNAL_HEADER_FIELDS, new JSONObject());
commonEventHeader.put(VERSION, 3);
return commonEventHeader;
}
private JSONObject generateConstantOtherFields() {
JSONObject otherFields = new JSONObject();
otherFields.put(OTHER_FIELDS_VERSION, 1);
otherFields.put(PNF_LAST_SERVICE_DATE, System.currentTimeMillis());
otherFields.put(PNF_MANUFACTURE_DATE, System.currentTimeMillis());
return otherFields;
}
}
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