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.champ.event.GraphEvent;
26 import org.onap.champ.exception.ChampServiceException;
27 import com.google.gson.Gson;
28 import com.google.gson.GsonBuilder;
30 public class GraphEventEnvelope {
32 private GraphEventHeader header;
33 private GraphEvent body;
36 * Serializer/deserializer for converting to/from JSON.
38 private static final Gson gson = new GsonBuilder().disableHtmlEscaping().setPrettyPrinting().create();
40 public GraphEventEnvelope(GraphEvent event) {
41 this.header = new GraphEventHeader.Builder().requestId(event.getTransactionId()).build();
45 public GraphEventEnvelope(GraphEventHeader header, GraphEvent body) {
50 public GraphEventHeader getHeader() {
54 public void setHeader(GraphEventHeader header) {
58 public GraphEvent getBody() {
62 public void setBody(GraphEvent 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 ChampServiceException
82 public static GraphEventEnvelope fromJson(String json) throws ChampServiceException {
84 if (json == null || json.isEmpty()) {
85 throw new ChampServiceException("Empty or null JSON string.", Status.BAD_REQUEST);
87 return gson.fromJson(json, GraphEventEnvelope.class);
88 } catch (Exception ex) {
89 throw new ChampServiceException("Unable to parse JSON string: ", Status.BAD_REQUEST);
94 public String toString() {