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/*
* Copyright 2017-2020 ZTE Corporation.
*
* 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.
*/
package org.onap.holmes.dsa.dmaappolling;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import org.jvnet.hk2.annotations.Service;
import org.onap.holmes.common.api.stat.VesAlarm;
import org.onap.holmes.common.api.stat.AlarmAdditionalField;
import com.google.gson.Gson;
import java.util.Map;
import java.util.TimeZone;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import static org.onap.holmes.common.utils.GsonUtil.*;
@Service
public class DMaaPResponseUtil {
public VesAlarm convertJsonToVesAlarm(String responseJson) {
JsonObject jsonNode = JsonParser.parseString(responseJson).getAsJsonObject();
VesAlarm vesAlarm = new VesAlarm();
JsonObject eventJson = JsonParser.parseString(jsonNode.get("event").toString()).getAsJsonObject();
JsonObject commonEventHeaderJson = JsonParser.parseString(eventJson.get("commonEventHeader").toString())
.getAsJsonObject();
convertCommonEventHeaderJsonToEvent(commonEventHeaderJson, vesAlarm);
JsonObject faultFieldsJson = JsonParser.parseString(eventJson.get("faultFields").toString())
.getAsJsonObject();
convertFaultFieldsJsonToEvent(faultFieldsJson, vesAlarm);
return vesAlarm;
}
private void convertCommonEventHeaderJsonToEvent(JsonObject commonEventHeaderJson,
VesAlarm vesAlarm) {
vesAlarm.setDomain(getAsString(commonEventHeaderJson, "domain"));
vesAlarm.setEventId(getAsString(commonEventHeaderJson, "eventId"));
vesAlarm.setEventName(getAsString(commonEventHeaderJson, "eventName"));
vesAlarm.setAlarmIsCleared(vesAlarm.getEventName().endsWith("Cleared") ? 1 : 0);
vesAlarm.setEventType(getAsString(commonEventHeaderJson, "eventType"));
if (commonEventHeaderJson.has("internalHeaderFields")) {
vesAlarm.setInternalHeaderFields(commonEventHeaderJson.getAsJsonObject("internalHeaderFields").toString());
}
vesAlarm.setLastEpochMicrosec(getAsLong(commonEventHeaderJson, "lastEpochMicrosec"));
vesAlarm.setNfcNamingCode(getAsString(commonEventHeaderJson, "nfcNamingCode"));
vesAlarm.setNfNamingCode(getAsString(commonEventHeaderJson, "nfNamingCode"));
vesAlarm.setPriority(getAsString(commonEventHeaderJson, "priority"));
vesAlarm.setReportingEntityId(getAsString(commonEventHeaderJson, "reportingEntityId"));
vesAlarm.setReportingEntityName(getAsString(commonEventHeaderJson, "reportingEntityName"));
vesAlarm.setSequence(getAsInt(commonEventHeaderJson, "sequence"));
vesAlarm.setSourceId(getAsString(commonEventHeaderJson, "sourceId"));
vesAlarm.setSourceName(getAsString(commonEventHeaderJson, "sourceName"));
vesAlarm.setStartEpochMicrosec(getAsLong(commonEventHeaderJson, "startEpochMicrosec"));
vesAlarm.setVersion(getAsString(commonEventHeaderJson, "version"));
vesAlarm.setNfVendorName(getAsString(commonEventHeaderJson, "nfVendorName"));
if (commonEventHeaderJson.has("timeZoneOffset")) {
TimeZone timeZone = TimeZone.getTimeZone(getAsString(commonEventHeaderJson, "timeZoneOffset"));
vesAlarm.setTimeZoneOffset(timeZone);
}
if (commonEventHeaderJson.has("vesEventListenerVersion")) {
vesAlarm.setVesEventListenerVersion(getAsString(commonEventHeaderJson, "vesEventListenerVersion"));
}
}
private void convertFaultFieldsJsonToEvent(JsonObject faultFieldsJson, VesAlarm vesAlarm) {
vesAlarm.setAlarmCondition(getAsString(faultFieldsJson, "alarmCondition"));
vesAlarm.setAlarmInterfaceA(getAsString(faultFieldsJson, "alarmInterfaceA"));
vesAlarm.setEventCategory(getAsString(faultFieldsJson, "eventCategory"));
vesAlarm.setEventSeverity(getAsString(faultFieldsJson, "eventSeverity"));
vesAlarm.setEventSourceType(getAsString(faultFieldsJson, "eventSourceType"));
vesAlarm.setFaultFieldsVersion(getAsString(faultFieldsJson, "faultFieldsVersion"));
vesAlarm.setSpecificProblem(getAsString(faultFieldsJson, "specificProblem"));
vesAlarm.setVfStatus(getAsString(faultFieldsJson, "vfStatus"));
//Support VES Specificatin 5.4
if ("2.0".equals(vesAlarm.getFaultFieldsVersion())) {
List<AlarmAdditionalField> alarmAdditionalFieldList = getListElementByNode(faultFieldsJson, "alarmAdditionalInformation");
Map<String, String> alarmAdditionalInformation = new HashMap<String, String>();
for (AlarmAdditionalField field : alarmAdditionalFieldList) {
alarmAdditionalInformation.put(field.getName(), field.getValue());
}
vesAlarm.setAlarmAdditionalInformation(alarmAdditionalInformation);
} //Support VES Specification 7.1
else if (faultFieldsJson.has("alarmAdditionalInformation")) {
JsonObject alarmAddInfo = JsonParser.parseString(faultFieldsJson.get("alarmAdditionalInformation").toString()).getAsJsonObject();
Gson gson = new Gson();
Map map = gson.fromJson(alarmAddInfo, Map.class);
vesAlarm.setAlarmAdditionalInformation(map);
}
}
private List<AlarmAdditionalField> getListElementByNode(JsonObject jsonNode, String name) {
if (jsonNode.has(name) && !jsonNode.get(name).isJsonNull()) {
return jsonToList(jsonNode.get(name).toString(), AlarmAdditionalField.class);
}
return Collections.emptyList();
}
}
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