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/**
* ============LICENSE_START==========================================
* org.onap.aai
* ===================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* Copyright © 2017 Amdocs
* ===================================================================
* 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.
* ============LICENSE_END============================================
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*/
package org.onap.champ.event.envelope;
import javax.ws.rs.core.Response.Status;
import org.onap.champ.event.GraphEvent;
import org.onap.champ.exception.ChampServiceException;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
public class GraphEventEnvelope {
private GraphEventHeader header;
private GraphEvent body;
/**
* Serializer/deserializer for converting to/from JSON.
*/
private static final Gson gson = new GsonBuilder().disableHtmlEscaping().setPrettyPrinting().create();
public GraphEventEnvelope(GraphEvent event) {
this.header = new GraphEventHeader.Builder().requestId(event.getTransactionId()).build();
this.body = event;
}
public GraphEventEnvelope(GraphEventHeader header, GraphEvent body) {
this.header = header;
this.body = body;
}
public GraphEventHeader getHeader() {
return header;
}
public void setHeader(GraphEventHeader header) {
this.header = header;
}
public GraphEvent getBody() {
return body;
}
public void setBody(GraphEvent body) {
this.body = body;
}
/**
* Serializes this Vertex object into a JSON string.
*
* @return - A JSON format string representation of this Vertex.
*/
public String toJson() {
return gson.toJson(this);
}
/**
* Deserializes the provided JSON string into a Event Envelope object.
*
* @param json the JSON string to produce the Event Envelope from.
* @return an Event Envelope object.
* @throws ChampServiceException
*/
public static GraphEventEnvelope fromJson(String json) throws ChampServiceException {
try {
if (json == null || json.isEmpty()) {
throw new ChampServiceException("Empty or null JSON string.", Status.BAD_REQUEST);
}
return gson.fromJson(json, GraphEventEnvelope.class);
} catch (Exception ex) {
throw new ChampServiceException("Unable to parse JSON string: ", Status.BAD_REQUEST);
}
}
@Override
public String toString() {
return toJson();
}
}
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