2 * ============LICENSE_START==========================================
4 * ===================================================================
5 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
6 * Copyright © 2017 Amdocs
7 * ===================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END============================================
20 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
22 package org.onap.aai.champcore.event.envelope;
24 import org.onap.aai.champcore.event.ChampEvent;
25 import org.onap.aai.champcore.event.envelope.util.GsonUtil;
26 import org.onap.aai.champcore.exceptions.ChampUnmarshallingException;
27 import com.google.gson.Gson;
29 public class ChampEventEnvelope {
31 private ChampEventHeader header;
32 private ChampEvent body;
35 * Serializer/deserializer for converting to/from JSON.
37 private static final Gson gson = GsonUtil.createGson();
39 public ChampEventEnvelope(ChampEvent event) {
40 this.header = new ChampEventHeader.Builder(ChampEventHeader.EventType.UPDATE_NOTIFICATION)
41 .requestId(event.getTransactionId()).build();
45 public ChampEventEnvelope(ChampEventHeader header, ChampEvent body) {
50 public ChampEventHeader getHeader() {
54 public void setHeader(ChampEventHeader header) {
58 public ChampEvent getBody() {
62 public void setBody(ChampEvent body) {
67 * Serializes this Vertex object into a JSON string.
69 * @return - A JSON format string representation of this Vertex.
71 public String toJson() {
72 return gson.toJson(this);
76 * Deserializes the provided JSON string into a Event Envelope object.
78 * @param json the JSON string to produce the Event Envelope from.
79 * @return an Event Envelope object.
80 * @throws ChampUnmarshallingException
82 public static ChampEventEnvelope fromJson(String json) throws ChampUnmarshallingException {
84 if (json == null || json.isEmpty()) {
85 throw new ChampUnmarshallingException("Empty or null JSON string.");
87 return gson.fromJson(json, ChampEventEnvelope.class);
88 } catch (Exception ex) {
89 throw new ChampUnmarshallingException("Unable to parse JSON string: ");
94 public String toString() {