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.champ.event.envelope;
24 import javax.ws.rs.core.Response.Status;
25 import org.onap.aai.champcore.event.envelope.ChampEventHeader;
26 import org.onap.champ.event.GraphEvent;
27 import org.onap.champ.exception.ChampServiceException;
28 import com.google.gson.Gson;
29 import com.google.gson.GsonBuilder;
31 public class GraphEventEnvelope {
33 private ChampEventHeader header;
34 private GraphEvent body;
37 * Serializer/deserializer for converting to/from JSON.
39 private static final Gson gson = new GsonBuilder().disableHtmlEscaping().setPrettyPrinting().create();
41 public GraphEventEnvelope(GraphEvent event) {
42 this.header = new ChampEventHeader.Builder(ChampEventHeader.EventType.UPDATE_RESULT)
43 .requestId(event.getTransactionId()).build();
47 public GraphEventEnvelope(ChampEventHeader header, GraphEvent body) {
52 public ChampEventHeader getHeader() {
56 public void setHeader(ChampEventHeader header) {
60 public GraphEvent getBody() {
64 public void setBody(GraphEvent body) {
69 * Serializes this Vertex object into a JSON string.
71 * @return - A JSON format string representation of this Vertex.
73 public String toJson() {
74 return gson.toJson(this);
78 * Deserializes the provided JSON string into a Event Envelope object.
80 * @param json the JSON string to produce the Event Envelope from.
81 * @return an Event Envelope object.
82 * @throws ChampServiceException
84 public static GraphEventEnvelope fromJson(String json) throws ChampServiceException {
86 if (json == null || json.isEmpty()) {
87 throw new ChampServiceException("Empty or null JSON string.", Status.BAD_REQUEST);
89 return gson.fromJson(json, GraphEventEnvelope.class);
90 } catch (Exception ex) {
91 throw new ChampServiceException("Unable to parse JSON string: ", Status.BAD_REQUEST);
96 public String toString() {