engine-d/src/main/java/org/onap/holmes/dsa/dmaappolling/DMaaPResponseUtil.java

   1 /*
   2  * Copyright 2017-2020 ZTE Corporation.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.onap.holmes.dsa.dmaappolling;
  17
  18 import com.google.gson.Gson;
  19 import com.google.gson.JsonObject;
  20 import com.google.gson.JsonParser;
  21 import org.onap.holmes.common.api.stat.AlarmAdditionalField;
  22 import org.onap.holmes.common.api.stat.VesAlarm;
  23 import org.springframework.stereotype.Component;
  24
  25 import java.util.*;
  26
  27 import static org.onap.holmes.common.utils.GsonUtil.*;
  28
  29 @Component
  30 public class DMaaPResponseUtil {
  31
  32     public VesAlarm convertJsonToVesAlarm(String responseJson) {
  33         JsonObject jsonNode = JsonParser.parseString(responseJson).getAsJsonObject();
  34
  35         VesAlarm vesAlarm = new VesAlarm();
  36
  37         JsonObject eventJson = JsonParser.parseString(jsonNode.get("event").toString()).getAsJsonObject();
  38         JsonObject commonEventHeaderJson = JsonParser.parseString(eventJson.get("commonEventHeader").toString())
  39                 .getAsJsonObject();
  40         convertCommonEventHeaderJsonToEvent(commonEventHeaderJson, vesAlarm);
  41
  42         JsonObject faultFieldsJson = JsonParser.parseString(eventJson.get("faultFields").toString())
  43                 .getAsJsonObject();
  44         convertFaultFieldsJsonToEvent(faultFieldsJson, vesAlarm);
  45         return vesAlarm;
  46     }
  47
  48     private void convertCommonEventHeaderJsonToEvent(JsonObject commonEventHeaderJson,
  49                                                      VesAlarm vesAlarm) {
  50         vesAlarm.setDomain(getAsString(commonEventHeaderJson, "domain"));
  51         vesAlarm.setEventId(getAsString(commonEventHeaderJson, "eventId"));
  52         vesAlarm.setEventName(getAsString(commonEventHeaderJson, "eventName"));
  53         vesAlarm.setAlarmIsCleared(vesAlarm.getEventName().endsWith("Cleared") ? 1 : 0);
  54         vesAlarm.setEventType(getAsString(commonEventHeaderJson, "eventType"));
  55         if (commonEventHeaderJson.has("internalHeaderFields")) {
  56             vesAlarm.setInternalHeaderFields(commonEventHeaderJson.getAsJsonObject("internalHeaderFields").toString());
  57         }
  58         vesAlarm.setLastEpochMicrosec(getAsLong(commonEventHeaderJson, "lastEpochMicrosec"));
  59         vesAlarm.setNfcNamingCode(getAsString(commonEventHeaderJson, "nfcNamingCode"));
  60         vesAlarm.setNfNamingCode(getAsString(commonEventHeaderJson, "nfNamingCode"));
  61         vesAlarm.setPriority(getAsString(commonEventHeaderJson, "priority"));
  62         vesAlarm.setReportingEntityId(getAsString(commonEventHeaderJson, "reportingEntityId"));
  63         vesAlarm.setReportingEntityName(getAsString(commonEventHeaderJson, "reportingEntityName"));
  64         vesAlarm.setSequence(getAsInt(commonEventHeaderJson, "sequence"));
  65         vesAlarm.setSourceId(getAsString(commonEventHeaderJson, "sourceId"));
  66         vesAlarm.setSourceName(getAsString(commonEventHeaderJson, "sourceName"));
  67         vesAlarm.setStartEpochMicrosec(getAsLong(commonEventHeaderJson, "startEpochMicrosec"));
  68         vesAlarm.setVersion(getAsString(commonEventHeaderJson, "version"));
  69         vesAlarm.setNfVendorName(getAsString(commonEventHeaderJson, "nfVendorName"));
  70         if (commonEventHeaderJson.has("timeZoneOffset")) {
  71             TimeZone timeZone = TimeZone.getTimeZone(getAsString(commonEventHeaderJson, "timeZoneOffset"));
  72             vesAlarm.setTimeZoneOffset(timeZone);
  73         }
  74         if (commonEventHeaderJson.has("vesEventListenerVersion")) {
  75             vesAlarm.setVesEventListenerVersion(getAsString(commonEventHeaderJson, "vesEventListenerVersion"));
  76         }
  77     }
  78
  79     private void convertFaultFieldsJsonToEvent(JsonObject faultFieldsJson, VesAlarm vesAlarm) {
  80         vesAlarm.setAlarmCondition(getAsString(faultFieldsJson, "alarmCondition"));
  81         vesAlarm.setAlarmInterfaceA(getAsString(faultFieldsJson, "alarmInterfaceA"));
  82         vesAlarm.setEventCategory(getAsString(faultFieldsJson, "eventCategory"));
  83         vesAlarm.setEventSeverity(getAsString(faultFieldsJson, "eventSeverity"));
  84         vesAlarm.setEventSourceType(getAsString(faultFieldsJson, "eventSourceType"));
  85         vesAlarm.setFaultFieldsVersion(getAsString(faultFieldsJson, "faultFieldsVersion"));
  86         vesAlarm.setSpecificProblem(getAsString(faultFieldsJson, "specificProblem"));
  87         vesAlarm.setVfStatus(getAsString(faultFieldsJson, "vfStatus"));
  88         //Support VES Specificatin 5.4
  89         if ("2.0".equals(vesAlarm.getFaultFieldsVersion())) {
  90             List<AlarmAdditionalField> alarmAdditionalFieldList = getListElementByNode(faultFieldsJson, "alarmAdditionalInformation");
  91             Map<String, String> alarmAdditionalInformation = new HashMap<String, String>();
  92             for (AlarmAdditionalField field : alarmAdditionalFieldList) {
  93                 alarmAdditionalInformation.put(field.getName(), field.getValue());
  94             }
  95             vesAlarm.setAlarmAdditionalInformation(alarmAdditionalInformation);
  96         } //Support VES Specification 7.1
  97         else if (faultFieldsJson.has("alarmAdditionalInformation")) {
  98             JsonObject alarmAddInfo = JsonParser.parseString(faultFieldsJson.get("alarmAdditionalInformation").toString()).getAsJsonObject();
  99             Gson gson = new Gson();
 100             Map map = gson.fromJson(alarmAddInfo, Map.class);
 101             vesAlarm.setAlarmAdditionalInformation(map);
 102         }
 103     }
 104
 105     private List<AlarmAdditionalField> getListElementByNode(JsonObject jsonNode, String name) {
 106         if (jsonNode.has(name) && !jsonNode.get(name).isJsonNull()) {
 107             return jsonToList(jsonNode.get(name).toString(), AlarmAdditionalField.class);
 108         }
 109         return Collections.emptyList();
 110     }
 111 }