diff options
Diffstat (limited to 'champ-lib/champ-core/src/main/java/org/onap/aai/champcore/event/envelope/ChampEventEnvelope.java')
-rw-r--r-- | champ-lib/champ-core/src/main/java/org/onap/aai/champcore/event/envelope/ChampEventEnvelope.java | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/champ-lib/champ-core/src/main/java/org/onap/aai/champcore/event/envelope/ChampEventEnvelope.java b/champ-lib/champ-core/src/main/java/org/onap/aai/champcore/event/envelope/ChampEventEnvelope.java new file mode 100644 index 0000000..2547ae5 --- /dev/null +++ b/champ-lib/champ-core/src/main/java/org/onap/aai/champcore/event/envelope/ChampEventEnvelope.java @@ -0,0 +1,97 @@ +/** + * ============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.aai.champcore.event.envelope; + +import org.onap.aai.champcore.event.ChampEvent; +import org.onap.aai.champcore.exceptions.ChampUnmarshallingException; +import com.google.gson.Gson; +import com.google.gson.GsonBuilder; + +public class ChampEventEnvelope { + + private ChampEventHeader header; + private ChampEvent body; + + /** + * Marshaller/unmarshaller for converting to/from JSON. + */ + private static final Gson gson = new GsonBuilder().disableHtmlEscaping().setPrettyPrinting().create(); + + public ChampEventEnvelope(ChampEvent event) { + this.header = new ChampEventHeader.Builder(ChampEventHeader.EventType.UPDATE_NOTIFICATION) + .requestId(event.getTransactionId()).build(); + this.body = event; + } + + public ChampEventEnvelope(ChampEventHeader header, ChampEvent body) { + this.header = header; + this.body = body; + } + + public ChampEventHeader getHeader() { + return header; + } + + public void setHeader(ChampEventHeader header) { + this.header = header; + } + + public ChampEvent getBody() { + return body; + } + + public void setBody(ChampEvent 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 ChampUnmarshallingException + */ + public static ChampEventEnvelope fromJson(String json) throws ChampUnmarshallingException { + try { + if (json == null || json.isEmpty()) { + throw new ChampUnmarshallingException("Empty or null JSON string."); + } + return gson.fromJson(json, ChampEventEnvelope.class); + } catch (Exception ex) { + throw new ChampUnmarshallingException("Unable to parse JSON string: "); + } + } + + @Override + public String toString() { + return toJson(); + } +}
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